CCI PRACTICE EXAM REVISED 2025
The second heart sound is caused by closure of what two valves? - (ANSWER)Aortic and pulmonic
What phase of the cardiac cycle immediately follows closure of the semilunar valves and precedes the
opening of the AV valves? - (ANSWER)Isometric relaxation
What percentage of ventricular filling normally results from atrial contraction? - (ANSWER)15-20%
Peripheral venous pressure is the same as what pressure? - (ANSWER)Right atrial
Which hemodynamic measurement most directly reflects left ventricular afterload? - (ANSWER)Mean
BP
In a normal patient with a fixed cardiac output the mean arterial blood pressure is determined cheifly
by? - (ANSWER)Afterload
The rate induced regulation of the force of contraction, sometimes called the staircase, treppe, or
bowdich effect is? - (ANSWER)Rapid HR increases the force of contraction
Which class of vessels has the capacity to store the largest volume of blood? - (ANSWER)Systemic veins
Closure of the semilunar heart valves is associated with a hemodynamic what? - (ANSWER)Diacrotic
notch
Central venous pressure is the same as what other pressure? - (ANSWER)Right atrial
The amount of blood pumped from each ventricle during a single systole is the? - (ANSWER)Stroke
volume
The naturally occurring neurotransmitter liberated at the parasympathetic nerve junction is? -
(ANSWER)Acetylcholine
The second heart sound is caused by closure of what two valves? - (ANSWER)Aortic and pulmonic
What phase of the cardiac cycle immediately follows closure of the semilunar valves and precedes the
opening of the AV valves? - (ANSWER)Isometric relaxation
What percentage of ventricular filling normally results from atrial contraction? - (ANSWER)15-20%
Peripheral venous pressure is the same as what pressure? - (ANSWER)Right atrial
Which hemodynamic measurement most directly reflects left ventricular afterload? - (ANSWER)Mean
BP
In a normal patient with a fixed cardiac output the mean arterial blood pressure is determined cheifly
by? - (ANSWER)Afterload
The rate induced regulation of the force of contraction, sometimes called the staircase, treppe, or
bowdich effect is? - (ANSWER)Rapid HR increases the force of contraction
Which class of vessels has the capacity to store the largest volume of blood? - (ANSWER)Systemic veins
Closure of the semilunar heart valves is associated with a hemodynamic what? - (ANSWER)Diacrotic
notch
Central venous pressure is the same as what other pressure? - (ANSWER)Right atrial
The amount of blood pumped from each ventricle during a single systole is the? - (ANSWER)Stroke
volume
The naturally occurring neurotransmitter liberated at the parasympathetic nerve junction is? -
(ANSWER)Acetylcholine
