in which of the following cases is dehydration more likely to occur
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Nursing Elites

ATI RN

MSN 570 Advanced Pathophysiology Final 2024

1. In which of the following cases is dehydration more likely to occur?

Correct answer: B

Rationale: Dehydration is more likely to occur in a 50-year-old man who is morbidly obese due to the increased risk of conditions like diabetes and heart disease that can lead to fluid imbalances. Being morbidly obese can also strain the body's systems, increasing the need for water. The other choices are less likely to experience dehydration as a primary concern. While being a bodybuilder may require strict hydration practices, dehydration is more prevalent in individuals with conditions like obesity.

2. Which of the following describes the pathophysiology of exercise-induced asthma?

Correct answer: A

Rationale: The correct answer is A: 'Bronchospasm after exercise.' Exercise-induced asthma involves the narrowing of the airways (bronchospasm) triggered by physical activity. This bronchospasm leads to symptoms such as coughing, wheezing, and shortness of breath. Choices B, C, and D are incorrect because exercise-induced asthma is not primarily caused by an IgE-mediated inflammatory response to an antigen, bronchoconstriction after ingesting high-allergen foods, or increased mucus production due to a genetic mutation.

3. A patient with a history of cardiovascular disease is prescribed hormone replacement therapy (HRT). What should the nurse emphasize regarding the long-term risks associated with HRT?

Correct answer: A

Rationale: HRT is associated with an increased risk of cardiovascular events, including heart attack and stroke, particularly in patients with a history of cardiovascular disease.

4. After a patient is exposed to a specific antigen, B cells will differentiate into:

Correct answer: B

Rationale: After exposure to a specific antigen, B cells undergo differentiation into plasma cells. Plasma cells are responsible for producing antibodies in response to the antigen. Choice A ('B cytotoxic cells') is incorrect because B cells do not differentiate into cytotoxic cells; cytotoxic cells are typically associated with T cells. Choice C ('Bursal cells') is incorrect as bursal cells are specific to birds and not relevant to human immune responses. Choice D ('Clonal equivalents') is incorrect as it does not describe the differentiation process of B cells exposed to antigens.

5. Which term should the nurse use to document a situation in which cells increase in size and function?

Correct answer: B

Rationale: Hypertrophy is the correct term used to describe the situation in which cells increase in size and function. Atrophy (Choice A) is the opposite, indicating a decrease in cell size. Metaplasia (Choice C) refers to the reversible replacement of one mature cell type by another. Hyperplasia (Choice D) involves an increase in the number of cells, not just an increase in size and function as in hypertrophy.

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