Pharmacokinetics, Pharmacodynamics, Pharmacology of Autonomic nervous system drugs, Autocoids
81. Succinylcholine:
a. T
b. T: initial phase of blockade is characterized by persistent depolarization of the postjunctional membrane; an anticholinesterase agent will potentiate the block.
c. F: has a short duration of action as it is rapidly hydrolyzed by pseudocholinesterase in the plasma and the liver.
d. F
82. The following statement(s) about sympathomimetics is / are correct:
a. F
b. T
c. T
d. T: hence most of them are active orally and have long duration of action.
83. Catecholamines are used:
a. T
b. F
c. T
d. F: pulmonary edema is one of the signs of overdosage of sympathomimetics like adrenaline.
84. At sympathetic nerve terminals:
a. F: presynaptic alpha2-receptors.
b. T
c. F
d. T
85. State true or false:
a. F
b. T
c. T
d. F
86. State true or false:
a. F
b. T
c. F
d. F
87. Propranolol and metoprolol have similar:
a. T
b. T
c. F
d. T
88. Histamine:
a. F: formed by decarboxylation of histidine.
b. F
c. T
d. T
89. The distribution of a drug:
a. T
b. T
c. T
d. T
90. Succinylcholine:
a. T
b. F
c. T
d. F