
1. The following act by blocking cholinergic receptors:
a) trimetaphan b) hexamethonium c) ouabain d) benzhexol e) physostigmine
2. Esmolol:
a) has a negative inotropic effect b) has no intrinsic sympathomimetic activity c) causes a dose-dependent fall in heart rate d) increases airways resistance e) may prolong the duration of action of suxamethonium
3. Enflurane:
a) is a halogenated methyl-ethyl ether b) has a blood/gas solubility coefficient of 1.43 c) lowers intracranial pressure d) increases the tone of the pregnant uterus e) causes a decrease in systemic vascular resistance
4. Morphine:
a) causes histamine release b) has no active metabolites c) undergoes extensive first-pass hepatic metabolism d) has an elimination half-life of 3-4 hours e) may be antagonised by pentazocine
5. Uterine tone is:
a) increased by ketamine b) decreased by halothane c) increased by beta-2 antagonists d) unaffected by suxamethonium e) decreased by nifedipine
ANSWERS
1.TTFTF 2.TTTTT 3.TFFFT 4.TFTTT 5.TTTTT
ArticleDate:20051103
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