Test Bank Pharmacology and the Nursing Process

Correct Answer: B

Rationale: The correct answer is B: Because these clients may experience difficulty voiding. Antihistamines can worsen urinary symptoms in men with prostatic hypertrophy by causing urinary retention. This is due to the anticholinergic effects of antihistamines, which can lead to decreased bladder contraction and difficulty in voiding. Increased drowsiness (choice A) is a common side effect of antihistamines but is not specific to older men with prostatic hypertrophy. Choice C, greater risk of cardiac arrest, is not directly related to the use of antihistamines in older men with prostatic hypertrophy. Choice D, lower autoimmune response in clients with AIDS, is unrelated to the use of antihistamines in older men with prostatic hypertrophy.

Correct Answer: A

Rationale: Step 1: Vitamin K is essential for the synthesis of clotting factors in the liver. Step 2: A splenectomy increases the risk of bleeding due to decreased platelet sequestration. Step 3: Preoperative Vitamin K injection helps correct any clotting deficiencies. Summary: - Choice B is incorrect as Vitamin K does not prevent infection. - Choice C is incorrect as Vitamin K does not directly promote healing. - Choice D is incorrect as Vitamin K does not dry secretions.

Correct Answer: A

Rationale: Rationale: - Salt tablets are used for mild deficits of serum sodium to help restore electrolyte balance. - Sodium is crucial for fluid balance, nerve function, and muscle contraction. - Severe deficits of serum magnesium, potassium, and calcium require specific electrolyte replacement therapy, not salt tablets. Summary: - Choice A is correct because salt tablets are used for mild deficits of serum sodium. - Choices B, C, and D are incorrect because they involve severe deficits of different electrolytes that require specific replacement therapy.

Correct Answer: B

Rationale: The correct answer is B: Perforation of the colon caused by the liver biopsy. The symptoms of fever, severe abdominal pain, and confusion are indicative of peritonitis, which can result from a bowel perforation during the liver biopsy procedure. Perforation of the colon can lead to leakage of bowel contents into the peritoneal cavity, causing inflammation, infection, and systemic symptoms. This is a serious complication that requires immediate medical attention. Incorrect options: A: Bleeding in the liver caused by the liver biopsy would present with symptoms such as hypotension and signs of internal bleeding, not confusion and severe abdominal pain. C: An allergic reaction to contrast media would typically present with symptoms such as rash, itching, or respiratory distress, not fever, severe abdominal pain, and confusion. D: Normal post procedural pain would not cause confusion and a change in the level of consciousness, which indicates a more serious underlying issue like bowel perforation.

Correct Answer: B

Rationale: The correct answer is B: Levodopa. Levodopa is associated with the on-off phenomenon and wearing-off effect in Parkinson's disease treatment due to fluctuations in its effectiveness over time. The on-off phenomenon refers to sudden and unpredictable changes in motor function, while wearing-off effect occurs when the medication's effects diminish before the next dose. Amantadine (A) is not typically associated with these phenomena. Benztropine (C) is an anticholinergic used for tremors and rigidity. Pramixole (D) is a dopamine agonist that can cause dyskinesias but is not primarily linked to on-off or wearing-off effects.