HESI RN
HESI RN Nursing Leadership and Management Exam 6
1. A client with type 1 DM is admitted to the hospital with diabetic ketoacidosis (DKA). The nurse should prioritize which action?
- A. Administering intravenous fluids.
- B. Administering oral glucose.
- C. Administering a fever-reducing medication.
- D. Administering oxygen therapy.
Correct answer: A
Rationale: Administering intravenous fluids is the priority in treating DKA for several reasons. DKA is characterized by severe dehydration and electrolyte imbalances due to hyperglycemia. IV fluids help to correct dehydration, restore electrolyte balance, and decrease blood glucose levels. Administering oral glucose (Choice B) would be contraindicated in DKA as the primary issue is high blood glucose levels. Administering a fever-reducing medication (Choice C) is not the priority in managing DKA. Administering oxygen therapy (Choice D) may be necessary in some cases, but correcting dehydration and electrolyte imbalances take precedence in the management of DKA.
2. A nurse caring for a group of clients reviews the electrolyte laboratory results and notes a potassium level of 5.5 mEq/L on one client's laboratory report. The nurse understands that which client is at highest risk for the development of a potassium value at this level?
- A. The client with colitis
- B. The client with Cushing's syndrome
- C. The client who has been overusing laxatives
- D. The client who has sustained a traumatic burn
Correct answer: D
Rationale: Clients who have sustained traumatic burns are at a higher risk of developing hyperkalemia due to cell lysis. When cells are damaged in a traumatic burn, potassium can leak out from the intracellular space into the bloodstream, leading to elevated serum potassium levels. Colitis, Cushing's syndrome, and overuse of laxatives are not typically associated with the same degree of cell damage or potassium shifts seen in traumatic burns, making them less likely to result in such high potassium levels.
3. The client with type 2 DM is being instructed by the nurse about the importance of controlling blood glucose levels. The nurse should emphasize that uncontrolled blood glucose can lead to:
- A. Increased risk of heart disease and stroke.
- B. Improved wound healing.
- C. Reduced need for medication.
- D. Decreased risk of infection.
Correct answer: A
Rationale: Uncontrolled blood glucose levels are associated with an increased risk of cardiovascular complications, such as heart disease and stroke. High blood glucose levels can damage blood vessels over time, leading to atherosclerosis, which can increase the likelihood of heart disease and stroke. Improved wound healing (choice B) is not a consequence of uncontrolled blood glucose levels; in fact, high blood sugar levels can impair wound healing. Reduced need for medication (choice C) is inaccurate because uncontrolled blood glucose usually necessitates more medication to manage the condition. Decreased risk of infection (choice D) is also misleading as high blood glucose levels can compromise the immune system, making individuals more susceptible to infections.
4. A client with hyperthyroidism is prescribed methimazole. The nurse should instruct the client that the purpose of this medication is to:
- A. Decrease thyroid hormone production
- B. Increase thyroid hormone production
- C. Suppress the immune system
- D. Prevent thyroid storm
Correct answer: A
Rationale: The correct answer is A: Decrease thyroid hormone production. Methimazole works by inhibiting the synthesis of thyroid hormones, specifically by blocking the enzyme responsible for this process. By reducing the production of thyroid hormones, methimazole helps to normalize the elevated levels seen in hyperthyroidism. Choices B, C, and D are incorrect. Choice B, 'Increase thyroid hormone production,' is inaccurate as methimazole actually decreases thyroid hormone production. Choice C, 'Suppress the immune system,' is unrelated to the mechanism of action of methimazole. Choice D, 'Prevent thyroid storm,' is not the primary purpose of methimazole; while it may help prevent worsening of hyperthyroidism, its main action is to reduce thyroid hormone levels.
5. For a male client with hyperglycemia, which assessment finding best supports a nursing diagnosis of Deficient fluid volume?
- A. Cool, clammy skin
- B. Distended neck veins
- C. Increased urine osmolarity
- D. Decreased serum sodium level
Correct answer: C
Rationale: Increased urine osmolarity is the best assessment finding supporting a nursing diagnosis of Deficient fluid volume in a male client with hyperglycemia. In hyperglycemia, there is increased glucose in the blood, which leads to osmotic diuresis. This results in the excretion of large amounts of urine that is concentrated (high osmolarity), leading to dehydration and fluid volume deficit. Cool, clammy skin (Choice A) is more indicative of poor perfusion, distended neck veins (Choice B) are associated with fluid volume excess, and decreased serum sodium level (Choice D) could be a result of dilutional hyponatremia due to fluid overload rather than deficient fluid volume.
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