Answer:
The correct statement is 3: "Most cases of SIDS occur in infants younger than 6 months".
Explanation:
1) Certain cases of SIDS are predictable and therefore preventable. FALSE. There aren´t predictable cases of SIDS because this syndrome does not present any symptoms that should be considered to prevent death. There is no specific treatment for SEDS. There are, though, some considerations to take such as prenatal attention, position while sleeping, clothing, checking their temperature, among others.
2) SIDS is most commonly the result of an overwhelming infection. FALSE. Researchers do not know the exact cause of SIDS, but studies have demonstrated that some babies showed irregular brain functioning that made it difficult to wake up while they could not breathe or the area that controlled breathing was affected; differences in genes and their interaction with the environment that took them to death; irregular heart funtioning; respiratory infections.
3) Most cases of SIDS occur in infants younger than 6 months. TRUE. SIDS is one of the principal causes of death in infants between a month and a year old, occurring more frequently in babies between two and four months old.
4) The cause of death following SIDS can be established by autopsy. FALSE. The baby can be diagnosed after death with a complete investigation, which includes the examination of the body, examination of the death place, revision of illness before death, or any other health precedent.
Acid precipitation lowered the pH of the soil in a terrestrial ecosystem that supported a diverse community of plants and animals. The decrease in pH eliminated all nitrogen-fixing bacteria populations in the area.
Which prediction most accurately reflects the impact this will have on the community?
A. The decrease in pH actually increases the availability of soil nutrients, so other nutrients that were less available cause an increase in primary production and an increase in biomass at other trophic levels.
B. Primary producers will suffer from nitrogen deficiency and the entire community will experience a decrease in carrying capacity.
C. Plants can obtain the nitrogen necessary for growth from the atmosphere, but bacterial communities will be negatively impacted.
D. Since phosphorus can replace nitrogen as an essential nutrient, the impact will be minimal.
Answer: B. Primary producers will suffer from nitrogen deficiency and the entire community will experience a decrease in carrying capacity.
Explanation:
Carrying capacity is the ability of the environment to support the growth and abundance of maximum number of members of the species or diversity of species on the basis of the availability of the resources in the environment.
According to the given situation, acid precipitation will lower the pH of the soil. This will likely to eliminate the nitrogen fixing bacteria. The lack of appreciable concentration of nitrogen in the soil will likely to affect the population of primary producers like plants. The reduction in abundance of plants or primary producers will cause the decrease in carrying capacity of the entire community of animals, birds and humans which are dependent on primary producers as a source of food.
A respiratory rate of less than ________ and greater than ________ in cases of trauma are criteria for immediate transportation to a trauma center according to the CDC physiologic guidelines.
The question is incomplete as it does not have the options which are:
A. 8; 32
B. 10; 29
C. 12; 20
D. 5; 45
Answer:
The correct answer will be option-B
Explanation:
Trauma is the experience caused by the life-threatening events or events which help develop the psychological distress conditions.
The trauma can cause changes in the physiologic and psychological responses in humans. The CDC guidelines have stated criterion for immediate transportation of the person to the trauma centre in which one of the criteria is that if a person has the respiratory rate of less than 10 and greater than 29 will be transported to the trauma centre immediately.
Thus, Option-B is the correct answer.
Earth’s stratosphere is above Earth’s protective atmosphere, having conditions that are dry and cold, have intense ultraviolet solar radiation, and vacuum-like air pressure. These factors make the stratosphere a great stand-in for the surface of Mars. Why would scientists want to introduce bacteria into Earth’s stratosphere?
What factors contribute to elderly clients being at higher risk of injury while taking antihistamines?A) Hearing lossB) Steady gaitC) Visual impairmentD) HypertensionE) Diabetes
Answer:
Option- (c), it is the best option to choose from the given options.Explanation:
Anti-histamine:To treat certain allergies and specifically the rhinitis(swelling of the mucus membrane of the nose, characterized by a runny nose and stuffiness caused by seasonal allergies or any common colds.
Effects on elderly clientsThere are factors like weak body and impairment of the immune systems in the human body.As it leads to more complications for the elderly people as the use excessive drugs. Along with that development of mucus cells are at a low rate, and swelling causes the nerves present near the nose to stop working in the proper manner or rhythm. loss of visual sense occurs due to damaged nerves in the area which is swelled up, and it give rise to even more complications.
Answer:D
Explanation:
Becos it will speed up the blood pressure and the heart beat rate. They also prevent high blood pressure drugs from working
__________ are an example of engineering controls to limit exposure to bloodborne pathogens.
Answer: Occupational safety and health administration (OSHA)
Explanation:
it is a fedral agency set aside to enforce procedures or protocols to protect employees at the risks of exposure to blood borne pathogens and other infectious materials.
OSHA sets standards for protection of employees against these pathogens,end enforce the standard to be followed.
They also ensure protection of employees in other departments .e.g induvidual in construction.
Transdermal patches are intended to release a drug over an extended period of time. Particular care must be used with this type of drug administration owing to its design and thin metal backing. The modality of concern in medical imaging would be_______.
Answer:
Answer is Magnetic Resonance Imaging.
Explanation:
A transdermal patch is an adhesive patch which is used medically for delivering doses of medication via the skin into the bloodstream, by simply placing the patch on the skin.
Most of the medications that can be administered through the transdermal patch are pain relievers, nicotine, hormones and contraception to prevent pregnancy.
It has been discovered that, pregnancy patch is 99% effective and last for about 7 days.
Magnetic Resonance imaging, MRI, is used to produce the image of the body, with the use of magnetic and radio wave. It is helpful in diagnosing injury or disease and monitor how well a patient is responding to treatments.
It can be used to detect spinal tumor, cancer , fracture etc. and it is safe and easy to use.
Given the energy charge equation below, if a biological system has an EC = 0.8, what is true about the concentrations of ATP, ADP, and AMP in the system? Choose an answer choice and explain why.
EC = [ATP] + 0.5 [ADP] / [ATP] + [ADP] + [AMP]
a. The concentrations are all equal
b. There is more ADP in the system than ATP or AMP.
c. There is more ATP in the system than ADP or AMP.
d. There is more AMP in the system than ATP and ADP.
Answer:
c. There is more ATP in the system than ADP or AMP.
Explanation:
ATP is an energy molecule, and in the equation is the most important parameter. if you have all concentrations equal, the answer is EC=0.5 independently of the values
If you add more ADP on the system, the total will be reduced due the term on the numerator is divided by 0.5 - values are usually between 0.5-0.6
If you have more ATP on the system the numbers will automatically arise, due the importance of ATP term on the numerator, usually the EC is equal to 0.8-0.87.
If there is more AMP on the system numbers fall because the denominator is much greater than numerator. Usually the EC is equal to 0.5
What is the end of the muscle that connects to the bone that moves when the muscle contracts?
The movable end of a muscle that attaches to the bone being pulled when the muscle contracts is called the muscle's insertion. A muscle is also attached to a fixed bone at its other end, known as the origin, and the tension created during muscle contraction is transferred to the bone via tendons.
Explanation:The end of the muscle that connects to the bone that moves when the muscle contracts is called the muscle's insertion. Muscles are attached to bones through tendons, which are strong, dense bands of connective tissue. These tendons transfer the tension created by the contraction of the muscle fibers during movement. A muscle also has an origin, which is the end attached to a fixed or stabilized bone. When muscle contraction occurs, the insertion end of the muscle pulls on the bone to allow movement.
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Tony, age 28, reentered the hospital for high-dose chemotherapy and a bone marrow transplant for his leukemia. Bone marrow had been harvested from Tony after his first hospitalization in which he achieved complete remission. This type of bone marrow transplant is called:\
Answer: Autologous Transplant
Explanation
From the prefix AUTO, it refers to the self transplant, that is Tony gets his own stem cell. , and not from another person/ donor.
If the stem cells were from another person it is refers to as Allogeneic transplantation, that is ALLO transpant.
Murray is studying the effects of heredity and environment on IQ test scores. He thinks that heredity is the most important factor in determining IQ. Which finding would support his argument most strongly?
Answer:
The finding that Identical twins who are reared apart tends to have the similar IQ scores will support his argument most strongly.
Explanation:
According to the researches it has been found out that the Identical twins who are reared apart tends to have the similar IQ scores.
Here,
The twins have the same heredity i.e having the same genes and the similar environment for the birth and living.
Hence,
The finding that Identical twins who are reared apart tends to have the similar IQ scores will support his argument most strongly.
Cody is a member of the L.A. Crips. The other gangs in his territory are the Bloods and Satan's Slaves. Cody feels very antagonistic towards the Bloods and the Slaves. For Cody, what type of group do these two rival gangs represent?
Cody would view the Bloods and Satan's Slaves as outgroups, which are groups that evoke feelings of opposition or competition. Gangs, like those in East Los Angeles, emphasize these dynamics through territorial graffiti.
Explanation:For Cody, who is a member of the L.A. Crips, the Bloods and Satan's Slaves would represent outgroups. An outgroup is a social group toward which an individual feels competition or opposition. In the context of gang dynamics, especially in areas with contested territories such as East Los Angeles, where gangs use graffiti to mark their boundaries, the feelings of animosity are heightened due to the direct competition over resources, territory, and influence.
This antagonistic relationship often contributes to the reinforcement of in-group solidarity within the Crips, as the members unify against a common external threat. These outgroup interactions shape the social identities of the gang members and can influence behavior and attitudes.
Matthew and Sofia are packing lunches to take to work. Which of the following lunch choices is highest in folate? 1. tuna salad on whole-wheat bread with a couple of baby carrots 2. cup of canned chicken noodle soup and an apple 3. grilled chicken and brown rice pilaf with sliced almonds 4. lentil stew with enriched pasta and spinach greens salad Request Answer Submit
Answer:
Option 4
Explanation:
Folate is vitamin B and occurs naturally in various food items such as green leafy vegetable, lentils, peas, beans, in fruits such as banana, melon, and enriched products such as bread, juices etc. Folate is essential for making up genetic material or DNA. Out of all given options, option 4 has both lentil and spinach (green leaves) which are rich source of folate. Option 1 has bread as a source of folate. Hence, the correct answer is option 4.
The emergent property of "life" appears at the level of the ____, when many molecules become organized.
a. population
b. atom
c. organism
d. cell
Answer:
D. Cell
Explanation:
Cells are the structural and functional unit of life. Cells are made up of various organelles, the liquid cytosol and nucleus in the case of eukaryotic cells. Biomolecules such as carbohydrates, lipids, proteins, etc. form various cell organelles. However, cells have level has emergent properties, the features that are not found at lower levels. For instance, cells are able to perform the life processes and distinguish the living things from non-living ones.
The emergent property of 'life' appears at the cell level when many molecules become organized. This phenomenon is a classic example of an emergent property in biological systems.
Explanation:The emergent property of 'life' appears at the level of the d. cell, when many molecules become organized. In biological systems, an emergent property is a property that a collection or complex system has, but which the individual members do not have. A classic example of this is the transition from amino acids to a living cell. Amino acids alone do not exhibit the characteristics of life. When combined in certain ways to form proteins and then further organized into cells, however, life appears as an emergent property.
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The phenomenon of _____________ is defined as a dull or drowsy condition that can occur because of the concentration needed while driving long distances.a. velocitation b. fatigue highway c. fatigue d. none of the answers
Answer:
b. highway fatigue
Explanation:
Highway fatigue is the feeling of drowsiness that happens during long journeys when the driver hasn't taken rest periods or pauses to become alert again, this can lead to slower reaction times that can result in accidents.
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Fatigue is a dull or drowsy condition that can occur while driving long distances. Recognizing the signs of fatigue and taking preventive measures are important for road safety.
Explanation:The phenomenon of fatigue is defined as a dull or drowsy condition that can occur because of the concentration needed while driving long distances. It is important for drivers to recognize the signs of fatigue, such as yawning, heavy eyelids, and drifting out of lanes, in order to reduce the risk of accidents. To prevent fatigue while driving, it is recommended to take regular breaks, get enough sleep before a long trip, and avoid driving during periods of low energy.
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For a long time, the fact that immigrants from eastern Europe, Asia, and Latin America tended to be shorter than native-born Americans was taken as evidence that there were inherent racial differences between these populations. However, the immigrants had children who grew up to be as tall as anyone else. Geneticists now tell us that, although there can be considerable variation in height within a group due to genetics, height differences between groups are largely caused by diet. What does this demonstrate?
This showed that diet has influences on frequencies of expression of genes for height,(20-40%), although genetics control the inheritance (60-80%)
Explanation:
Which of the following occurs during starvation? I. The kidney generates approximately half the glucose required for the body. II. The brain utilizes ketone bodies as a fuel source. III. The adipose tissue releases fatty acids. IV. Gluconeogenesis occurs in the liver.
Answer:
Answer..... i, ii, iii, iv.
Explanation:
When there is deficiency in the normal calories intake, which is below the level required by organisms to survive, it means starvation.
It is known that human beings require about 1,200 calories a day to stay healthy, people with more strenous work need more calories.
The symptoms of starvation are but not limited to, low energy, constipation and/or diarrhoea, reduction in libido, increased food cravings.
It should be noted that prolonged starvation can cause permanent damage of organs and which may eventually results to death.
The Andes developed from a convergence between a tectonic plate carrying oceanic crust and another carrying continental crust.
Answer:
TRUE
Explanation:
The Andes mountain has resulted due to the sharing of a convergent plate boundary between the Nazca plate (oceanic plate) and the South American plate (continental plate). It forms extensively the longest continental mountain ranges.
The Nazca plate, due to its greater denser subducts below the South American, as a result of which a subduction zone is created. The downgoing plate melts at greater depth and mixes up with the magma and due to the force exerted by the convection current, the magma again rises upward. This is how the San Andes mountains have formed over millions of years.
Thus, the above statement is true.
A(n) _____ muscle action occurs when a muscle develops tension while lengthening.
Answer:
A(n) eccentric muscle action occurs when a muscle develops tension while lengthening.
You are a sleep scientist working on developing a drug for people who lack the proper amount of sleep hormone. What are you looking to supplement? You are a sleep scientist working on developing a drug for people who lack the proper amount of sleep hormone. What are you looking to supplement? oxytocin melatonin serotonin prostaglandin
Answer:
melatonin
Explanation:
Oxytocin is called a peptide hormone and is normally produced in the hypothalamus, it's released by the posterior pituitary gland. It usually plays a role in social bonding, reproduction, childbirth, and the period after childbirth.
Serotonin is a monoamine neurotransmitter. It plays a vital role in feelings of well-being and happiness. it helps in mental cognition, reward, learning, memory, and numerous physiological processes.
The prostaglandins are groups of physiologically active lipid compounds called eicosanoids having diverse hormone-like effects in animals. It participate in a wide range of body functions such as the contraction and relaxation of smooth muscle, the dilation and constriction of blood vessels, control of blood pressure etc.
Melatonin is a hormone that regulates the sleep–wake cycle. It is primarily released by the pineal gland. As a supplement, it is often used for the short-term treatment of trouble sleeping.
Definitely, if the sleep scientist is working on developing a drug for people who lack proper amount of sleep hormone, He should be working on Melatonin.
"Cells, cells they're made of organelles
Try to pull a fast one, the cytoplasm gels
The nucleus takes over controllin' everything
The party don't stop 'till the membrane blocks the scene
Inside the vacuole, we can float around for hours
Running around with chloroplasts, lovin' sunlight showers."
Haha this song is a vibe at this point.
This question is about organelles in cells and is answered using lyrics from a song.
Explanation:This question uses lyrics from a song to introduce various organelles found in cells. The song describes the functions of these organelles such as the nucleus, cytoplasm, membrane, vacuole, and chloroplasts. It provides a fun and memorable way to learn about cell biology.
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Which organisms are called the extremophiles and flourish in extreme conditions?
Answer:
Archaea
Explanation:
Most extremophiles are microorganisms (and a high proportion of these are archaea), but this group also includes eukaryotes such as protists (e.g., algae, fungi and protozoa) and multicellular organisms. Archaea is the main group to thrive in extreme environments.
Whether a fly has white or red eyes is due to alleles at a single locus. It is thus a _______ or _______ trait.
Answer:
The correct answer is "qualitative, discrete".
Explanation:
A qualitative or discrete trait is defined as a characteristic that have no intermediate features, and is often the result of genetic alleles at a single locus. For instance, if the form the seeds of pea could be either round or wrinkled, but not with intermediate forms. This is the case of the fly that has white or red eyes, but does not have pink eyes or other colors in between.
Some human structures and their functions are listed below. In a single-celled organism such as an amoeba, all these functions can be performed by the________________.
The correct option is d.
In an amoeba, a single-celled organism, all functions such as absorption of oxygen and excretion of carbon dioxide, excretion of salts and nitrogenous wastes, and absorption of water, are performed by the cell membrane. It allows needed materials to enter and waste to exit, replicating functions of specific human structures like the alveoli, kidneys and large intestine.
Explanation:In a single-celled organism like an amoeba, all the functions mentioned (absorption of oxygen and excretion of carbon dioxide, excretion of salts and nitrogenous wastes, and absorption of water) can be performed by the cell membrane. This function is similar to that of the human structures: alveoli, kidney, and the large intestine. The cell membrane of an amoeba allows necessary materials like oxygen and water to enter the cell, and eliminates waste products such as salts, nitrogenous wastes, and carbon dioxide through a process called diffusion.
Just as the respiratory organs in humans provide oxygen and remove carbon dioxide, and kidneys excrete salts and nitrogenous wastes, the cell membrane in amoebas performs the same roles. Additionally, the amoeba does not have a specialized structure for water absorption like the human large intestine; instead, this function is also covered by the versatile cell membrane.
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The complete question is given below:
Some human structures and their functions are listed below.
alveoli- absorption of oxygen, excretion of carbon dioxidekidney- excretion of salts and nitrogenous wasteslarge intestine- absorption of waterIn a single-celled organism such as an amoeba, all these functions can be performed by the:
a. nucleus
b. ribosomes
c. mitochondria
d. cell membrane
In another experiment, the embryologist measured the rate of synthesis of a single protein and found that the synthesis rate varied with the amount of oxygen provided to the embryos. Which of the following enzymes is LEAST likely to affect the synthesis of the protein in question?
Answer:
The correct answer is option A) "Triose Phosphate Isomerase".
Explanation:
The missing options of this question are:
A) Triose Phosphate Isomerase
B) Cytochrome C oxidase
C) ATP synthase
D) Pyruvate Dehydrogenase
And the correct answer is option A) "Triose Phosphate Isomerase".
Triose Phosphate Isomerase (TPI) is a enzyme that catalyzes the conversion of dihydroxyacetone phosphate to D-glyceraldehyde 3-phosphate. This reaction is part of the glycolytic pathway, an important process of most cells to metabolize glucose. The glycolytic pathway is performed under aerobic and anaerobic conditions, therefore it is least likely that the TPI enzyme affects the synthesis of the protein according to the amount of oxygen provided to the embryos.
Which process is used by animals to remove ingested foods that cannot be digested?
Final answer:
Ingestion is the process used by animals to remove ingested foods that cannot be digested. It involves taking in food through the mouth and breaking it down into smaller particles for further processing.
Explanation:
Ingestion
The large molecules found in intact food cannot pass through the cell membranes. Food needs to be broken into smaller particles so that animals can harness the nutrients and organic molecules. The first step in this process is ingestion. Ingestion is the process of taking in food through the mouth. In vertebrates, the teeth, saliva, and tongue play important roles in mastication (preparing the food into bolus).
While the food is being mechanically broken down, the enzymes in saliva begin to chemically process the food as well. The combined action of these processes modifies the food from large particles to a soft mass that can be swallowed and can travel the length of the esophagus.
Chorionic villi sampling (CVS) is a test to determine whether fetal cells have genetic abnormalities and can be performed as early as 8 weeks. Chorionic villi cells are removed using a small tube that is passed through the cervix. These cells are cultured and undergo chromosomal analysis.
Explain why chorionic villi cells will determine whether the fetus has genetic abnormalities.
Answer:
The zygote is formed by the fusion of the male and female gamete during the process of sexual reproduction. Chorionic villi sampling (CVS) is used to determine the sex of the baby and genetic abnormalities.
The fetal cells and chorionic villi has the same genome. The villib are derved from the cells known as trophoblast that are known to form the blastocyst outer layer. This provide nutrition to the embryo through the placenta. These cells first differentiate from the egg and shares the same genetic makeup. Any abnormalities in these cells shows the genetic abnormalites.
What microbe might grow in the pores of the face and on the tongue and glow pink under UV light?
Answer:
Name of Microbe-Staphylococcus. aureus,
Explanation:
"The microbe which grows on a human being skin is called as Staphylococcus. aureus which is a Gram-positive coccus."
Bacterial Efficacy under UV-light:As after exposure to the UV light for an optimum duration of time, to the sample taken on the test plates the bacteria is determined and about 89.1% of the colonies are identified by about 5 minutes of radiation.
Infections Caused:The cause of the bacterial presence is in the form of broken skin or within a blocked sweat or sebaceous gland, resulting in boils, pustules and abscesses.
Although the digestive system is primarily responsible for the breakdown of food, this process can be disrupted if the circulatory system malfunctions. The best explanation for this disruption is that:_________ a. human body systems interact with each other to perform life functions
b. the circulatory system is the control center of the body
c. the digestive system and the circulatory system have many organs in common
d. the circulatory system is responsible for the coordination of life functions, including the breakdown of food
Answer:
a. human body systems interact with each other to perform life functions
Explanation:
The digestive system like all other organ systems relies on other organ systems working efficiently for it to work. For example the food digested by the digestive system is transported around the body by the circulatory system. Moreover enzymes and hormones needed by the digestive system are transported to target cells through blood
Final answer:
The disruption of the circulatory system affects the digestive system because they are interdependent, as the circulatory system delivers oxygen and nutrients to the digestive organs and carries away waste. Therefore, the correct option is a. human body systems interact with each other to perform life functions.
Explanation:
The best explanation for why the disruption of the circulatory system affects the digestive system lies in the integration and interdependence of the body's systems. The digestive system and the circulatory system work together to complete the process of digestion and the distribution of nutrients. Among the options provided, correct option would be:
a. human body systems interact with each other to perform life functions.
This is because the circulatory system is essential for providing the digestive organs with the necessary oxygen and processed nutrients, and it is also involved in removing waste products from the digestion process. The veins of the digestive system, particularly the hepatic portal system, carry nutrient-rich blood to the liver for processing before it returns to the heart. Furthermore, if the circulatory system malfunctions, it hampers the transportation of nutrients and the removal of waste, compromising the entire process of digestion and nutrient absorption.
Which essential fatty acid is rarely found to be deficient as it is typically consumed in abundance in the majority of diets?
A. Alpha-linoleic acid
B. Linoleic acid
C. Eicosapentaenoic acid
D. Docosahexanoic acid
Answer: B. Linoleic acid
Explanation:
Linoleic acid is an essential fatty acid. It is a polyunsaturated fatty acid for humans. It is a colorless or white colored oil. It is typically insoluble in water. It cannot be found deficient in the human body as humans obtain it in the form of different kind of food items like vegetable oils, seeds, eggs, meat and nuts. Thus it is abundantly consumed in the diet.
The Haloarchaea, extreme __________, are the only form of life to grow in concentrated brine.
1. thermophiles
2. psychrophiles
3. methanophiles
4. halophile
Answer:
4. halophile
Explanation:
Haloarchaea are extremophile microorganisms that require high salt concentrations to grow (up to 10%). This means that they have affinity (phile) for salt (halo).
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