FULL QUESTIONS AND VERIFIED ANSWERS
⩥ Which of the following is not a normal route for blood return directly
to the interior of the heart?
a) coronary sinus
b) Thebesian veins
c) pulmonary veins
d) bronchial veins. Answer: d) bronchial veins
⩥ The effect of calcium channel-blocking drugs is:
a) marked decrease in transmembrane calcium current
b) increase in smooth muscle response
c) to allow for consistent depolarization of cardiac cells
d) increase in cardiac muscle response. Answer: a) marked decrease in
transmembrane calcium current
⩥ Calan (verapamil) is indicated for which of the following:
a) HTN refractory to high doses of beta-adrenergic block agents
b) presence of sick sinus syndrome and/ or heart block
c) a-fib with rapid ventricular response
,d) cardiogenic shock induced by coronary artery spasm. Answer: c)
atrial fibrillation with rapid ventricular response
⩥ The cardiovascular effect of Inocor (amrinone) include:
a) increased systemic vascular resistance
b) decreased pulmonary artery pressure
c) increased LVEDP
d) decreased myocardial oxygen consumption. Answer: b) decreased
pulmonary vascular resistance
⩥ Which of the following anesthetic agents has the shortest duration of
action?
a) Sublimaze (fentanyl)
b) Ativan (lorazepam)
c) Diprivan (propofol)
d) Sufenta (sufentanyl). Answer: c) Dipravan (propofol)
⩥ Which of the following effects does NOT occur w/ morphine sulfate?
a) increased peripheral vascular resistance
b) decreased myocardial O2 consumption
c) analgesia
d) urinary retention. Answer: a) increased peripheral vascular resistance
, ⩥ Which of the following drugs increase the tolerance of the brain to
global ischemia when administered prior to ischemic episode?
a) dextrose 50%
b) Dilantin (phenytoin)
c) Mannitol
d) Pentothal (thiopental). Answer: d) Pentothal (thiopenthal)
⩥ Digitalis preparations are most commonly used to:
a) increase myocardial contractility and control atrial arrhythmias
b) increase SVR resistance and control ventricular arrhythmias
c) increase pre-load and control ventricular heart rate
d) prevent left atrial thrombus formation and embolization. Answer: a)
increase myocardial contractility and control atrial arrhythmias
⩥ The most common site of traumatic aortic disruption due to
deceleration injury is:
a) bwt left carotid and left subclavian arteries
b) at origin of left subclavian artery
c) btw left subclavian artery and ligamentum arteriosum
d) just distal to the ligamentum arteriosum. Answer: c) btw the left
subclavian artery and the ligamentum arteriosus