Pharmacology of the Cardiovascular and Central Nervous Systems
141. Hallucinations can occur with the following drugs:
a. tetrahydrocannabinol.
b. 2-bromolysergide.
c. pentazocine.
d. naloxone.
e. ethanol.
142. The following statement(s) about general anaesthetics are correct:
a. enflurane commonly causes liver dysfunction.
b. halothane should not be used in patients requiring repeated anaesthesia.
c. general anaesthetics cause respiratory depression.
d. ketamine has useful analgesic properties.
e. the action of thiopentone is terminated by redistribution from plasma to well-vascularized tissues.
143. Nitrous oxide:
a. can be used, with oxygen, as a carrier gas for halothane.
b. has poor analgesic property.
c. forms a vapor which is explosive.
d. sensitizes the heart to the action of catecholamines.
e. is an effective agent for inducing anaesthesia.
144. Halothane is a general anaesthetic which:
a. is inflammable.
b. irritates mucous membrane.
c. can cause liver damage.
d. can sensitize the heart to the actions of catecholamines.
e. can cause vasomotor and respiratory depression.
145. Thiopentone:
a. is a highly lipid-soluble barbiturate.
b. is used intravenously to induce anaesthesia.
c. has its anaesthetic action terminated by metabolism to an inactive compound.
d. has good analgesic properties.
e. can cause convulsive movements.
146. The following are long-acting benzodiazepines:
a. clorazepate.
b. lorazepam.
c. oxazepam.
d. triazolam.
e. prazepam.
147. Beta-blockers are contraindicated in:
a. pregnancy.
b. diabetes mellitus.
c. heart failure.
d. asthma.
e. angina pectoris.
148. The following drugs antagonize the actions of L-dopa:
a. pyridoxine.
b. phenothiazines.
c. MAO inhibitors.
d. tricyclic antidepressants.
e. reserpine.
149. Pethidine differs from morphine in that:
a. it has a greater potency.
b. less likely to cause respiratory depression.
c. does not suppress cough.
d. causes less nausea and vomiting.
e. does not cause dependence.
150. The following statements are true of SSRIs:
a. insomnia and weight loss are common side effects.
b. have fast onset of action.
c. ejaculatory delay is a rare side effect.
d. does not have cardiovascular effects.
e. is an enzyme inducer of cytochrome P450.