Correct Answer: A

Rationale: The correct answer is A: The nurse is demonstrating the concept of efficiency by following established procedures to complete tasks effectively. Efficiency in healthcare involves optimizing processes and resources to achieve the best outcomes. Choice B is incorrect as task orientation refers to focusing on task completion without considering broader aspects like patient care. Choice C is incorrect as patient-centered care emphasizes individual patient needs and preferences rather than operational efficiency. Choice D is incorrect as transformational leadership involves inspiring and motivating others, not specifically related to task efficiency.

Correct Answer: B

Rationale: Consuming 15 grams of simple carbohydrates is the recommended treatment for mild hypoglycemia to quickly raise blood sugar levels. Simple carbohydrates are rapidly absorbed and provide a quick source of glucose to combat low blood sugar. Eating a high-protein snack (Choice A) would delay the rise in blood sugar as proteins take longer to be broken down. Drinking water (Choice C) does not directly address the low blood sugar levels associated with hypoglycemia. Administering an extra dose of insulin (Choice D) would further lower blood sugar levels, worsening the hypoglycemic state.

Correct Answer: C

Rationale: The correct answer is to take levothyroxine on an empty stomach in the morning. This instruction is essential to enhance absorption and efficacy of the medication. Taking levothyroxine with meals, at bedtime, or with a glass of milk can interfere with its absorption and effectiveness, leading to suboptimal treatment outcomes.

Correct Answer: A

Rationale: The correct answer is Acromegaly. Jemma's symptoms of large hands, hoarse voice, and snoring are indicative of acromegaly, a disorder caused by excessive growth hormone production. Acromegaly can lead to insulin resistance, which can result in hyperglycemia. Choice B, Type 1 diabetes mellitus, is unlikely in this case as the symptoms and presentation are more suggestive of acromegaly. Choice C, Hypothyroidism, typically presents with different symptoms such as weight gain, fatigue, and cold intolerance, not consistent with Jemma's symptoms. Choice D, Deficient growth hormone, would not lead to the signs and symptoms observed in Jemma, as her condition is characterized by excessive growth hormone production.

Correct Answer: C

Rationale: During episodes of vomiting and diarrhea, there is a risk of significant potassium loss, leading to potential electrolyte imbalances. Monitoring serum potassium levels is crucial in this situation to assess and manage any abnormalities promptly. Serum calcium (Choice A) is not typically affected by vomiting and diarrhea. Serum phosphorus (Choice B) levels are not commonly altered by these symptoms. Serum sodium (Choice D) may be affected in severe cases of dehydration, but potassium monitoring is a higher priority due to its potential for rapid depletion in vomiting and diarrhea.