HESI RN
HESI RN Nursing Leadership and Management Exam 6
1. What is the mechanism of action of corticotropin (Acthar) when prescribed as replacement therapy for a male client who has undergone surgical removal of a pituitary tumor?
- A. It decreases cyclic adenosine monophosphate (cAMP) production and affects the metabolic rate of target organs.
- B. It interacts with plasma membrane receptors to inhibit enzymatic actions.
- C. It interacts with plasma membrane receptors to produce enzymatic actions that affect protein, fat, and carbohydrate metabolism.
- D. It regulates the threshold for water reabsorption in the kidneys.
Correct answer: C
Rationale: Corticotropin (ACTH) stimulates the adrenal cortex to secrete cortisol and other hormones, affecting protein, fat, and carbohydrate metabolism. Choice A is incorrect because corticotropin does not decrease cAMP production; instead, it stimulates enzymatic actions. Choice B is incorrect because corticotropin does not inhibit enzymatic actions but rather produces enzymatic actions. Choice D is incorrect because corticotropin's mechanism of action does not involve regulating the threshold for water reabsorption in the kidneys.
2. When teaching a male client diagnosed with type 1 diabetes mellitus how diet and exercise affect insulin requirements, Nurse Joy should include which guideline?
- A. You'll need more insulin when you exercise or increase your food intake.
- B. You'll need less insulin when you exercise or reduce your food intake.
- C. You'll need less insulin when you increase your food intake.
- D. You'll need more insulin when you exercise or decrease your food intake.
Correct answer: B
Rationale: When a person with type 1 diabetes exercises, it typically lowers blood glucose levels. As a result, insulin needs are reduced when exercise or food intake is decreased. Choice A is incorrect because more insulin is not typically needed when exercise or food intake is increased. Choice C is incorrect because increasing food intake would generally require more insulin to cover the additional glucose from the food. Choice D is incorrect as decreasing food intake usually leads to a lower need for insulin.
3. A client with type 1 DM is taught to take NPH and regular insulin every morning. The nurse should provide which instructions to the client?
- A. Take the NPH insulin first, then the regular insulin.
- B. Take the regular insulin first, then the NPH insulin.
- C. It does not matter which insulin is drawn up first.
- D. Contact the healthcare provider if the order for insulin is unclear.
Correct answer: B
Rationale: The correct answer is to take the regular insulin first, then the NPH insulin. Regular insulin should be drawn up before NPH insulin to prevent contamination of the regular insulin vial with the longer-acting insulin. Choice A is incorrect as it suggests taking the NPH insulin first, which is not the recommended practice. Choice C is incorrect because the order of drawing up insulin does matter to prevent contamination. Choice D is not the most appropriate action in this scenario, as the nurse should provide clear instructions to the client based on best practices.
4. A nurse is preparing a plan of care for a client with DM who has hyperglycemia. The priority nursing diagnosis would be:
- A. High risk for deficient fluid volume
- B. Deficient knowledge: disease process and treatment
- C. Imbalanced nutrition: less than body requirements
- D. Disabled family coping: compromised
Correct answer: A
Rationale: The priority nursing diagnosis for a client with diabetes mellitus (DM) experiencing hyperglycemia would be 'High risk for deficient fluid volume.' Hyperglycemia can lead to osmotic diuresis, causing significant fluid loss and an increased risk of deficient fluid volume. This nursing diagnosis addresses the immediate physiological concern related to fluid balance.\n\nChoice B, 'Deficient knowledge: disease process and treatment,' focuses on the client's understanding of DM, which is important but not the priority when the client is at risk of fluid volume deficit.\n\nChoice C, 'Imbalanced nutrition: less than body requirements,' pertains to inadequate intake of nutrients, which is not the priority concern when fluid volume deficit poses a more immediate threat.\n\nChoice D, 'Disabled family coping: compromised,' addresses a psychosocial aspect and is not the priority over the critical physiological issue of fluid volume deficit in a client with hyperglycemia.
5. Nurse Perry is caring for a female client with type 1 diabetes mellitus who exhibits confusion, light-headedness, and aberrant behavior. The client is still conscious. The nurse should first administer:
- A. I.M. or subcutaneous glucagon.
- B. I.V. bolus of dextrose 50%.
- C. 15 to 20 g of a fast-acting carbohydrate such as orange juice.
- D. 10 U of fast-acting insulin.
Correct answer: C
Rationale: For a conscious client with hypoglycemia, the initial treatment should involve administering 15 to 20 g of a fast-acting carbohydrate, such as orange juice. This helps rapidly raise the client's blood glucose levels. Choices A and D are incorrect as administering glucagon or fast-acting insulin is not the first-line treatment for hypoglycemia in a conscious client. Choice B, an I.V. bolus of dextrose 50%, is a more invasive and aggressive intervention that is not typically indicated for a conscious client with hypoglycemia.
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