Part 3 Quiz Version - Sinoe medical homepage.

Cardiology – Part 3
Quiz
16) Thiazide diuretics are indicated for which of the following hypertensive patients
a) Cardiac failure
b) Renal insufficiency
c) Cirrhosis
d) Severe hypertension
e) None of the above
17) Which of the following diuretics is appropriate for patients taking digitalis
a) Thiazides
b) Loop diuretics
c) Potassium-sparing
18) What is the most common adverse effect of the central alpha-adenoreceptor agonist
methyldopa (Aldomet)
a) Impaired mentation
b) Nightmares
c) Vertigo
d) Overt sedation
e) Extrapyramidal signs (e.g. akinesia, akathisia)
19) Which of the following can occur in patients who suddenly stop taking the
hypertension medication clonidine (Catapres)
a) Postural hypotension
b) Hypertensive crisis
c) Dry mouth and sedation
d) Mental depression
e) Nightmares
20) Which of the following side-effects (sympathoplegic and parasympathoplegic) is the
reason why ganglion blocking agents have been almost completely abandoned for the
treatment of hypertension
a) Constipation
b) Sexual dysfunction
c) Urinary retention
d) Glaucoma and blurred vision
e) All of the above
21) The rarely used hypertensive medication guanethidine (Ismelin) can interact
dangerously with certain drugs (cocaine, amphetamines, TCAs) and is contraindicated in
patients with pheochromocytoma because its mechanism of action is to:
a) Deplete norepinephrine stores
b) Deplete epinephrine stores
c) Increase intracranial pressure
d) Retain salt and potassium
e) Cause urinary excretion of water
22) What is the major reason that guanethidine is rarely used as a drug of choice
a) It causes diarrhea
b) It causes postural hypotension
c) It impairs ejaculation
d) It is too polar to enter the CNS
e) Better medications have been developed
Version: 16Oct2008 Page 30 of 60