digeorge syndrome is a primary immune deficiency caused by
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Nursing Elites

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ATI Pathophysiology Test Bank

1. DiGeorge syndrome is a primary immune deficiency caused by:

Correct answer: B

Rationale: DiGeorge syndrome is caused by a congenital lack of thymic tissue, which plays a crucial role in T cell development and maturation, leading to immune deficiency. Choice A is incorrect because DiGeorge syndrome primarily affects T cells, not B cells. Choice C is incorrect as it is too broad and not specific to the thymus. Choice D is incorrect as selective IgG deficiency is a different condition unrelated to DiGeorge syndrome.

2. What function does aldosterone serve in the body?

Correct answer: B

Rationale: Aldosterone functions by causing the retention of sodium in the body, which results in an increase in fluid volume and blood pressure. Choice A is incorrect because aldosterone actually promotes sodium retention rather than release. Choice C is incorrect as it states that aldosterone decreases fluid volume, which is not accurate. Choice D is incorrect because aldosterone does not enhance intracellular sodium production; instead, it primarily acts on sodium reabsorption in the kidneys.

3. Right-sided heart failure is characterized by:

Correct answer: C

Rationale: Right-sided heart failure is characterized by peripheral edema, which results from the buildup of fluid in the body. This fluid accumulates in the extremities due to the heart's inability to effectively pump blood forward. Choices A, B, and D are incorrect. Immunosuppression is not a typical feature of right-sided heart failure. Pulmonary edema is more commonly associated with left-sided heart failure, where fluid accumulates in the lungs. Coughing is a symptom that can be present in various conditions but is not a defining characteristic of right-sided heart failure.

4. What nursing diagnosis is suggested by the patient's statement regarding taking extra griseofulvin when she thinks her infection is getting worse?

Correct answer: C

Rationale: The correct answer is C: 'Disturbed thought processes related to appropriate use of griseofulvin.' The patient's statement shows a misunderstanding of the correct use of griseofulvin by taking extra medication when she believes her infection is worsening. This behavior indicates a disturbance in her thought process regarding the appropriate use of the medication. Choice A is incorrect because the issue is not lack of knowledge but rather a misunderstanding leading to inappropriate actions. Choice B is incorrect as the patient's actions do not demonstrate effective management of her therapeutic regimen. Choice D is incorrect as the patient is not engaged in self-medication but rather misinterpreting signals and self-adjusting the prescribed medication.

5. A child with a serious fungal infection is receiving amphotericin B parenterally. Which of the following minerals will the patient most likely be required to receive?

Correct answer: B

Rationale: When a patient is receiving amphotericin B, which is known to cause renal toxicity, they are most likely to require magnesium supplementation. Amphotericin B can lead to renal loss of magnesium, potassium, and calcium. Magnesium is an essential mineral that plays a vital role in various physiological functions, and its levels need to be monitored and supplemented when necessary. Chloride, glucose, and sodium are not typically supplemented in the context of amphotericin B therapy for a serious fungal infection.

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