Correct Answer: D

Rationale: The correct answer is D: Hypocalcemia. Severe diarrhea can lead to electrolyte imbalances, including low calcium levels. Decreased muscle tone and deep tendon reflexes are classic signs of hypocalcemia. Calcium is essential for proper muscle function and nerve transmission. Hypernatremia (A) is high sodium levels, not related to decreased muscle tone. Hyperchloremia (B) is high chloride levels, not associated with muscle tone changes. Hypokalemia (C) is low potassium levels, which can cause muscle weakness but not specifically decreased muscle tone and deep tendon reflexes like hypocalcemia.

Correct Answer: D

Rationale: The correct answer is D: leukocytosis. Carbamazepine can cause bone marrow suppression, leading to leukocytosis. Monitoring for elevated white blood cell count is essential to detect this potential complication early. A: Adult respiratory distress syndrome is not a common complication of carbamazepine. B: Elevated levels of phenytoin is not a direct complication of carbamazepine use. C: Diplopia is a common side effect of carbamazepine, not a potential complication like leukocytosis.

Correct Answer: B

Rationale: The correct answer is B because decorticate posturing is characterized by the flexion of elbows, wrists, and fingers, extension of elbows and knees, plantar flexion of feet. This pattern indicates damage to the cerebral hemispheres or internal structures of the brain. In contrast, option A describes decerebrate posturing, which indicates more severe brain damage. Option C is incorrect as it describes a mixed pattern of posturing. Option D is also incorrect as it describes a different type of posturing called decerebrate posturing.

Correct Answer: B

Rationale: Rationale: 1. Discharge planning should start at admission to ensure comprehensive preparation. 2. Early planning allows for assessment of needs and coordination of resources. 3. It promotes continuity of care and reduces risks of readmission. 4. Options A, C, and D are incorrect as they miss the opportunity for proactive planning.

Correct Answer: A

Rationale: The correct answer is A because educating young adults about the rise in heterosexual transmission of HIV is crucial to prevent the spread of AIDS. This information helps them understand the importance of safe sex practices and awareness of risks. Choice B is incorrect as HIV transmission in children is not primarily due to sexual abuse. Choice C is also incorrect as herpes zoster is not a form of the HIV virus. Choice D is incorrect as transmission by IV drug users is not prominent with sterile equipment use. Focusing on the rise in heterosexual transmission is key in teaching young adults about AIDS prevention.