Pharmacology of the Cardiovascular and Central Nervous Systems
81. Lithium carbonate:
a. T
b. T: readily and almost completely absorbed.
c. T
d. T: use during pregnancy is associated with increased risks of cardiac abnormalities.
82. Imipramine:
a. T
b. T
c. T
d. F: precipitates epilepsy in patients with history.
83. Adverse effects of phenothiazine derivatives are:
a. T: extrapyramidal effects are more common in high potency drugs.
b. T
c. T
d. T
84. Chlorpromazine produces the following:
a. T: blocks alpha receptors causing vasoconstriction in high doses.
b. F
c. T
d. T: it is used as an anti-emetic in postoperative states.
85. Chlorpromazine:
a. F: has substantial systemic first-pass effect.
b. F: has a half-life of 35h.
c. T
d. T
86. Quidinine can increase digoxin toxicity by:
a. T
b. F
c. F
d. T
87. Thiopentone is ultra-short-acting because it undergoes:
a. F
b. F
c. T
d. F
88. Warfarin sodium:
a. T
b. F
c. T
d. T
89. State true or false:
a. T: fentanyl is 80x more potent than morphine.
b. T: withdrawal symptoms are marked by rhinorrhea, yawning, lacrimation, goose-flesh, agitation, nervousness and tremulousness.
c. T: as it causes negligible respiratory depression at therapeutic dosage.
d. T: an NSAID is generally preferred as it does not cause vomiting unlike opioids.
90. Action of diuretics:
a. T
b. T
c. F
d. T