27. A 58-year-old man with chronic congestive heart failure requires ongoing hyd

Question

27. A 58-year-old man with chronic congestive heart failure requires ongoing hydrochlorothiazide therapy. His monthly serum profile shows persistent hypokalemia. The most appropriate next step is to prescribe which of the following diuretics? a) Acetazolamide b) Amiloride c) Furosemide d) Mannitol 28. A 24-year-old woman presented to a psychiatrist complaining of a distressing behavior. For the past several months she experienced an irresistible urge to check that everything was in a certain order at home and found it hard to get out of the house because she needed, again and again, to verify that the door was locked. She admitted her urge was irrational, but she was unable to control it. Which of the following neurotransmitters has been most consistently implicated in the patient's disorder? a) Acetylcholine b) Norepinephrine c) GABA d) Serotonin

Explanation / Answer

27. The most appropriate step is to prescribe the diuretic;

The potassium-sparing diuretics:

b. Amiloride.

28. The patient's disorder seems to be OCD (obsessive-compulsive disorder) and the neurotransmitter implicated in this disorder is;

d. serotonin

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