which type of immunity does the mmr vaccine provide
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ATI TEAS 7

ATI TEAS Practice Science Test

1. Which type of immunity does the MMR vaccine provide?

Correct answer: A

Rationale: The correct answer is A: Artificial/active. The MMR vaccine provides artificial/active immunity. It works by introducing a weakened or killed form of the virus to trigger the body's immune response, leading to the production of antibodies that offer long-lasting protection against measles, mumps, and rubella. Artificial immunity is obtained through medical intervention, such as vaccination, while active immunity involves the immune system's direct response to an antigen. Choices B, C, and D are incorrect because the MMR vaccine does not provide passive immunity nor is it acquired naturally; instead, it stimulates the body to actively produce its immune response.

2. Which of the following are the products of anaerobic respiration in humans?

Correct answer: C

Rationale: During anaerobic respiration in humans, lactic acid and CO2 are produced. Choice A, 'Ethyl alcohol and CO2,' is incorrect because ethyl alcohol is not a product of anaerobic respiration in humans. Choice B, 'Ethyl alcohol only,' is incorrect as ethyl alcohol is not a product of anaerobic respiration in humans. Choice D, 'Lactic acid only,' is incorrect because CO2 is also a product of anaerobic respiration in humans.

3. What are some potential applications of understanding atomic structure in modern technology?

Correct answer: D

Rationale: Understanding atomic structure is essential for various technological advancements. Designing new materials with tailored properties necessitates knowledge of atomic structure to effectively manipulate their characteristics. Developing advanced electronics and nanotechnology involves working at the atomic level to create smaller, faster, and more efficient devices. Improving nuclear energy production and safety also heavily depends on understanding atomic structure to enhance reactor design and safety measures. Therefore, all the options provided (A, B, and C) are potential applications of understanding atomic structure in modern technology.

4. What is the process of converting ammonia, a byproduct of protein digestion, into a less toxic form?

Correct answer: A

Rationale: Deamination is the correct answer. It is the process of removing an amino group from a molecule, like converting ammonia (NH3) into a less toxic form such as urea. Ammonia, a byproduct of protein digestion, must be converted into a less toxic form for excretion. Deamination is a crucial step that mainly occurs in the liver through the urea cycle. Transamination involves transferring an amino group from one molecule to another, not removing it as in deamination. Decarboxylation is the removal of a carboxyl group from a molecule, and hydrolysis is the breakdown of a compound by adding water.

5. Which of the following terms refers to the abnormal sound heard during a stethoscope examination, potentially indicating a heart valve issue?

Correct answer: C

Rationale: A heart murmur is an abnormal sound heard during a stethoscope examination of the heart. It can indicate issues with the heart valves, such as stenosis or regurgitation. Tachycardia refers to a fast heart rate, bradycardia refers to a slow heart rate, and arrhythmia refers to an irregular heart rhythm. Therefore, the correct answer is 'Heart murmur,' as it specifically relates to the abnormal sound heard during a stethoscope examination that may signal a heart valve issue.

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