Because of the mild alpha- adrenergic blocking effects of droperidol, the paramedic should be alert for signs of:
a. Bradycardia
b. Hypotension
c. Bradypnea
d. Hypertension
b
Rationale: a. Alpha- adrenergic blockade may cause vasodilation resulting in hypotension. It does not affect the heart rate.
b. Correct.
c. Alpha -adrenergic blockade does not affect breathing.
d. Alpha- adrenergic stimulation would cause hypertension by constricting arterioles. Blockade causes relaxation of those vessels.
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