AND CORRECT ANSWERS A+
CERTIFICATION STUDY GUIDE
the primary beneficial effect of epinephrine is for the treatment of
a. first deg hb
b. atria dysrhythmias
c. bradycardia
d. cardiac arrest - CORRECT ANSWER-d
propranolol (Inderal) main action is to
a. control cardiac action through the parasympathetic nervous system
b. inhibit cardiac stimulation by the sympathetic nervous system
c. be used as an oral vasodilator for hypertension
d. cause a venodilator response - CORRECT ANSWER-b
the first antiarrhythmic drug used for the treatment of ventricular
tachycardia and fibrillation is
a. epinephrine
b. oxygen
c. verapamil
d. lidocaine - CORRECT ANSWER-d
,a negative inotropic affect would
a. decrease the strength of contraction
b. increase the heartrate
c. decrease the heart rate
d. increase the strength - CORRECT ANSWER-a
which anti-arrhythmia drug is given an initial dose of 1mg/kg?
a. einephrine
b. sodium bicarbonate
c. lidocaine
d. verapamil - CORRECT ANSWER-c
which of the following drugs is the most common agent for arrhythmias
refractory to lidocaine?
a. verapamil
b. adenosine
c. bretylium
d. procainamide - CORRECT ANSWER-c
there drugs can have increased effect when used 0with calcium channel
blockers?
a. alpha adrenergic blockers
b. nitrates
,c. direct arteriolar vasodilators
d. ace inhibitors - CORRECT ANSWER-b
which drug is not an alpha adrenergic blocker?
a. terazosin
b. prazosin
c. doxazosin
d. latensin - CORRECT ANSWER-d
which of the following selectively block alpha adrenergic receptors to
reduce pulmonary vascular resistance?
a. doxazosin
b. diazoxide
c. bretylium
d. benazephil - CORRECT ANSWER-a
cardiac output equation - CORRECT ANSWER-heart rate x stroke volume
(stroke volume is amount of blood in ml being ejected per beat)
parasympathetic nervous system - CORRECT ANSWER-the division of the
autonomic nervous system that calms the body, conserving its energy
- slows heart rate
, sympathetic nervous system - CORRECT ANSWER-the division of the
autonomic nervous system that arouses the body, mobilizing its energy in
stressful situations
- speeds heart rate
a left bundle branch is characterized by __ in lead V1
a. p wave absent, qrs complex measuring less than .12 sec
b. p wave present, qrs complex measuring less than .12 sec
c. p wave absent, qrs complex measing .12 sec or greater
d. p wave present, qrs complex measuring .12 sec or greater - CORRECT
ANSWER-d
ecg paper provides measurements for
a. speed and time
b. time and rhythm
c. time and voltage
d. rhythm and voltage - CORRECT ANSWER-c
which statement is correct regarding premature ventricular complexes
(PVCs)?'
a. PVCs originate from the atrium
b. PVCs may be unifocal or multifocal in origin
c. PVCs will not lead to ventricular tachycardia
d. PVCs only originate from one site in the ventricles - CORRECT
ANSWER-b