100% CORRECT ANSWERS
When atrial flutter occurs, the atrial impulse reenters and depolarizes at 200-300 impulses per
minute - False
Calcium channel blockers are equally effective as beta-blockers in reducing anginal symptoms in
stable patients - True
Angina is another term for ________ - Chest pain
Antiplatelet agents prevent platelet aggregation - True
Calcium entry blockers prevent calcium influx into the muscle cells of blood vessel walls - True
Adrenergic antagonists increase blood pressure by stimulating the heart, and/or constricting
peripheral blood vessels - False
Peripheral antiadrenergics prevent norepinephrine release from peripheral nerve terminals - True
Shock is a potentially fatal condition in which tissues are poorly perfused and, consequently, become
ischemic - True
Vasopressors constrict blood vessels and improve cardiac function by inhibiting adrenergic receptors
- False
What structure is considered to be the pacemaker of the heart? - Sinoatrial node
Diuretics reduce blood pressure and edema by increasing urine production - True
Loop diuretics are more powerful than thiazides and must be used cautiously to avoid dehydration -
True