Hole's Human Anatomy & Physiology (Shier), 12th Edition

Ph.I.L.S. 3.0 Quizzing 25: Ph.I.L.S. 3.0 Quizzing

Ph.I.L.S. 3.0 Quizzing

1
The QRS wave coincides with:
A)depolarization of the atria.
B)depolarization of the ventricles.
C)depolarization of both the atria and the ventricles.
2
Depolarization of the ventricles contributes to the QRS wave and initiates:
A)closing of the semilunar valves.
B)opening of the atrioventricular (AV) valves.
C)a contraction of the atria.
D)a contraction of the ventricles.
3
A contraction of the ventricles increases the pressure of the blood inside the ventricles and:
A)closes the atrioventricular (AV) valves to produce the ‘lub’ heart sound.
B)closes the atrioventricular (AV) valves to produce the ‘dup’ heart sound.
C)closes the semilunar valves to produce the ‘lub’ heart sound.
D)closes the semilunar valves to produce the ‘dup’ heart sound.
4
When the atrioventricular (AV) are closed, further contraction of the ventricles increases the blood pressure in the ventricles and:
A)opens the atrioventricular (AV) valves.
B)opens the semilunar valves to produce the ‘dup’ heart sound.
C)opens the semilunar valves.
5
On the left side of the heart, the semilunar valves open when:
A)The blood pressure in the left ventricle is greater than the blood pressure in the aorta.
B)The blood pressure in the aorta is greater than the blood pressure in the left ventricle.
C)The blood pressure in the left ventricle is less than the blood pressure in the atrium.
6
At the point where blood is about to flow into the aorta, the blood pressure in the aorta is said to be:
A)the diastolic pressure.
B)the systolic pressure.
C)the mean blood pressure.
7
Blood flows from a contracting ventricle directly into which type of blood vessel?
A)A vein.
B)A capillary.
C)An artery.
D)An atrium.
8
When blood flows from the left ventricle into the aorta, the blood pressure in the aorta:
A)increases.
B)remains constant.
C)decreases.
9
When the ventricle contracts to push blood into the aorta and increase the blood pressure in the aorta, this maximum value for blood pressure is called:
A)the diastolic pressure.
B)the systolic pressure.
C)the mean blood pressure.
10
According to your results, what is the time delay between the R-wave and the swelling of the finger?
A)0 seconds.
B)About 0.25 seconds.
C)About 0.5 seconds.
D)About 1 second.
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