HESI Nutrition Exam

Correct Answer: A

Rationale: The correct answer is A: Hypokalemia increases the risk of dysrhythmias when taking digoxin, making potassium intake crucial. Digoxin toxicity is more likely in patients with low potassium levels, leading to an increased risk of dysrhythmias. Choices B, C, and D are incorrect because hypokalemia in combination with digoxin is primarily associated with dysrhythmias rather than oliguria, irritability, anxiety, or alteration of consciousness.

Correct Answer: B

Rationale: Dry mucous membranes are a classic sign of dehydration, especially in elderly individuals. Dehydration can lead to decreased moisture in the mucous membranes, making them dry. Skin turgor, although commonly assessed for dehydration in younger individuals, may be less reliable in the elderly due to changes in skin elasticity. Elevated temperature is more indicative of an infection or other conditions. Increased pulse pressure is not typically associated with dehydration in the elderly.

Correct Answer: D

Rationale: The correct answer is D, tingling of the lips (perioral tingling). This is a common symptom of hypocalcemia due to increased neuromuscular excitability. Choice A, decreased deep-tendon reflexes, is more indicative of hypercalcemia. Choice B, skeletal muscle weakness, is associated with hypokalemia. Choice C, hypoactive bowel sounds, is not a typical finding in hypocalcemia.

Correct Answer: A

Rationale: The correct answer is A: A 79-year-old malnourished client on bed rest. This client is at the highest risk for developing decubitus ulcers due to poor nutrition and immobility. Malnutrition can impair tissue healing and increase susceptibility to skin breakdown, while prolonged bed rest can lead to pressure ulcers. Choice B is incorrect because obesity can cushion pressure points and reduce the risk of pressure ulcers. Choice C is incorrect as incontinence predisposes to moisture-associated skin damage rather than pressure ulcers. Choice D is incorrect as an ambulatory client is less likely to develop pressure ulcers compared to bedridden clients.

Correct Answer: B

Rationale: The correct answer is B. Alprazolam should not be stopped abruptly as it can cause rebound insomnia and nightmares; gradual tapering is necessary. Choice A is incorrect as sedative hypnotics are not primarily used as analgesics. Choice C is incorrect as caffeine can decrease the effects of sedative hypnotics rather than increase them. Choice D is incorrect as there is no specific recommendation to avoid excessive exercise or high temperature related to alprazolam use.