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 best describes the statement: 'This flower is dead; someone must have forgotten to water it'?

Correct answer: C

Rationale: The correct answer is C - 'An inference'. An inference is a conclusion drawn based on evidence and reasoning, not directly observed facts. In this statement, the conclusion that someone must have forgotten to water the flower is inferred from the observed fact that the flower is dead. Choice A - 'A classification' is incorrect because the statement does not categorize or classify the flower in any way. Choice B - 'An observation' is incorrect because it does not involve interpreting or drawing a conclusion from the observed fact. Choice D - 'A collection' is incorrect as it does not relate to the process of drawing a conclusion based on evidence.

3. Which of the following water-soluble vitamins is NOT synthesized in the large intestine?

Correct answer: A

Rationale: The correct answer is A: B6. Vitamin B6 is not synthesized in the large intestine, while biotin, pantothenic acid (Vitamin B5), and Vitamin K can be synthesized by gut microflora. Biotin, B5, and K are examples of water-soluble vitamins that can be produced in the large intestine, but B6 needs to be obtained through dietary sources. Therefore, B6 is the correct answer as it is not synthesized within the large intestine, unlike the other options.

4. What is the role of the pancreas in digestion?

Correct answer: B

Rationale: The correct answer is B: 'To secrete digestive enzymes.' The pancreas plays a crucial role in digestion by secreting digestive enzymes that break down carbohydrates, proteins, and fats. This process aids in the breakdown of food into nutrients that can be absorbed by the small intestine. Choices A, C, and D are incorrect because the pancreas is not responsible for secreting bile (liver and gallbladder function), absorbing nutrients (small intestine function), or transporting waste (colon function) in the digestive system.

5. Which region of the small intestine is the primary site of absorption?

Correct answer: B

Rationale: The jejunum is the correct answer. It is the primary site of nutrient absorption in the small intestine. The duodenum mainly facilitates digestion, the ileum is responsible for further absorption, while the cecum is part of the large intestine and not involved in nutrient absorption.

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