which client is most likely to need regular injections of vitamin b12

ATI RN

ATI Nutrition Practice Test B 2019

1. Which client is most likely to need regular injections of vitamin B12?

A. The client with malabsorption syndrome.
B. The client following a vegan eating pattern.
C. The client whose stomach does not produce intrinsic factors.
D. The client with alcoholism.

Correct answer: C

Rationale: The correct answer is C. The client whose stomach does not produce intrinsic factors is most likely to need regular injections of vitamin B12. Intrinsic factor is essential for the absorption of vitamin B12. Without intrinsic factor, the client cannot absorb vitamin B12 from food, necessitating the need for regular injections. Choices A, B, and D do not directly impact the production of intrinsic factors in the stomach, so they are less likely to result in the need for vitamin B12 injections.

2. Which type of immunity is demonstrated by the transfer of a mother's immunoglobulin across the placenta to protect the child?

A. Natural active immunity
B. Natural passive immunity
C. Artificial active immunity
D. Artificial passive immunity

Correct answer: B

Rationale: The immunoglobulin passed from the mother to the child through the placenta is an example of natural passive immunity, making choice B the correct answer. This transfer gives the child temporary immunity to various diseases without their immune system having to work. On the other hand, natural active immunity (Choice A) occurs when the body produces its own antibodies in response to an antigen. Artificial active immunity (Choice C) is achieved through vaccinations, where the immune system is stimulated to produce antibodies against a specific disease. Artificial passive immunity (Choice D) is a temporary immunity that involves the transfer of pre-formed antibodies from another source.

3. What physiological role does phosphorus play in the body?

A. Blood clotting, transmission of nerve impulses, muscle contraction, and relaxation
B. Calcium homeostasis, structural integrity of heart muscle
C. No known metabolic function, caries-preventing properties
D. ATP energy release; metabolism of fats, carbohydrates, proteins; regulates acid-base balance

Correct answer: D

Rationale: The correct answer is D. Phosphorus plays a crucial role in ATP energy release, the metabolism of fats, carbohydrates, and proteins, and regulation of acid-base balance. Choices A, B, and C are incorrect. Phosphorus is not directly involved in blood clotting, transmission of nerve impulses, muscle contraction, or calcium homeostasis. It also has known metabolic functions and is not associated with caries prevention.

4. In any event of an adverse hemolytic reaction during blood transfusion, Nursing intervention should focus on:

A. Slow the infusion, Call the physician and assess the patient
B. Stop the infusion, Assess the client, Send the remaining blood to the laboratory and call the physician
C. Stop the infusion, Call the physician and assess the client
D. Slow the confusion and keep a patent IV line open for administration of medication

Correct answer: C

Rationale: Effective nursing care involves comprehensive assessments that address all aspects of a patient's condition, ensuring that interventions are appropriately targeted and outcomes are optimized.

5. Each nonnutritive sweetener can be recommended to patients with phenylketonuria, except one. Which one is the exception?

A. Cyclamate
B. Acesulfame-K
C. Saccharin
D. Aspartame

Correct answer: D

Rationale: The correct answer is D, Aspartame. Aspartame contains phenylalanine, which is contraindicated for individuals with phenylketonuria (PKU), a genetic disorder that impairs phenylalanine metabolism. Therefore, patients with PKU should avoid aspartame. Choices A, B, and C (Cyclamate, Acesulfame-K, Saccharin) are considered safe for individuals with PKU as they do not contain phenylalanine and can be recommended as alternatives to sugar for these patients.