NURB 3060 EXAM REVISION QUESTIONS
WITH 100% CORRECT ANSWERS
(Diastole Again)
Now all ______ valves are (open or closed) and the ventricles relax (called____________ or
____________).
4
closed
isometric
isovolumic relaxation
Meanwhile, the atria have been filling with blood delivered from the __________.
lungs
Atrial pressure is now (higher or lower) than the __________ ventricular pressure.
higher
relaxed
The __________ valve drifts open, and _________ filling begins again.
mitral
diastolic
(Events in the Right and Left Sides)
The same events are happening at the same time in the right side of the heart, but pressures
in the _____ side of the heart are much lower than those of the _____ side because less
energy is needed to pump blood to its destination, the _____________ circulation.
right
left
pulmonary
Also, events occur just slightly later in the _________ side of the heart because of the route
of myocardial depolarization.
, right
As a result, _____ distinct components to each of the heart sounds exist, and sometimes you
can hear them separately.
two
In the first heart sound, the _______ component closes just before the ___________
component.
mitral (M1)
tricuspid (T1)
And with S2, _______ closure occurs slightly before _________ closure.
aortic (A2)
pulmonic (P2)
(Heart Sounds)
Events in the cardiac cycle generate sounds that can be heard through a stethoscope over
the chest wall. These include ______________ and, occasionally, _______________ and
_______________.
normal heart sounds
extra heart sounds
murmurs
(Normal Heart Sounds)
The ________________ occurs with closure of the AV valves and thus signals the beginning
of systole.
first heart sound (S1)
The _________ component of the first sound slightly precedes the ____________
component, but you usually hear these two components fused as one sound.
mitral (M1)
tricuspid (T1)
WITH 100% CORRECT ANSWERS
(Diastole Again)
Now all ______ valves are (open or closed) and the ventricles relax (called____________ or
____________).
4
closed
isometric
isovolumic relaxation
Meanwhile, the atria have been filling with blood delivered from the __________.
lungs
Atrial pressure is now (higher or lower) than the __________ ventricular pressure.
higher
relaxed
The __________ valve drifts open, and _________ filling begins again.
mitral
diastolic
(Events in the Right and Left Sides)
The same events are happening at the same time in the right side of the heart, but pressures
in the _____ side of the heart are much lower than those of the _____ side because less
energy is needed to pump blood to its destination, the _____________ circulation.
right
left
pulmonary
Also, events occur just slightly later in the _________ side of the heart because of the route
of myocardial depolarization.
, right
As a result, _____ distinct components to each of the heart sounds exist, and sometimes you
can hear them separately.
two
In the first heart sound, the _______ component closes just before the ___________
component.
mitral (M1)
tricuspid (T1)
And with S2, _______ closure occurs slightly before _________ closure.
aortic (A2)
pulmonic (P2)
(Heart Sounds)
Events in the cardiac cycle generate sounds that can be heard through a stethoscope over
the chest wall. These include ______________ and, occasionally, _______________ and
_______________.
normal heart sounds
extra heart sounds
murmurs
(Normal Heart Sounds)
The ________________ occurs with closure of the AV valves and thus signals the beginning
of systole.
first heart sound (S1)
The _________ component of the first sound slightly precedes the ____________
component, but you usually hear these two components fused as one sound.
mitral (M1)
tricuspid (T1)
