EXSC 224 Exam Questions and Correct Answers
The pressure generated during contraction of the atria is ________ that generated during
contraction of the ventricles.
less than
The term systole refers to ________.
ventricular contraction
Is it possible to determine blood pressure from a cardiac cycle graph? Why or why not?
Yes, both systolic and diastolic pressures can be read.
The QRS complex of the electrocardiogram begins ________.
just prior to ventricular contraction
Blood pressure is ________.
the pressure of the blood against the blood vessel walls
Which of the following increases stroke volume?
exercise
Which portion of the electrocardiogram represents the depolarization wave received from
the sinoatrial (SA) node through the atria?
p-wave
Heart sounds are associated with ________.
turbulent blood flow, closure of the AV valves, and closure of the semilunar valves
, Pulse pressure ________.
is the difference between systolic and diastolic pressure
If you cut yourself and blood spurts rhythmically from the injury, you have probably cut
________.
an artery
The cardiac cycle ________.
represents all of the events of the heart during one heartbeat
How is the degree of oxygenation of the blood related to skin color?
when the blood is oxygen-rich, skin will be pink or red
The semilunar valves are forced open when ________.
ventricular pressure exceeds the pressure in the large arteries leaving the heart
Which portion of the electrocardiogram represents the time during which the atria
repolarize?
QRS complex
When the upper limb is raised, and the pressure cuff inflated, blood flow to the forearm is
stopped, and the hand ________.
turns very pale
The T wave of the ECG represents ________.
repolarization of ventricles
The pressure generated during contraction of the atria is ________ that generated during
contraction of the ventricles.
less than
The term systole refers to ________.
ventricular contraction
Is it possible to determine blood pressure from a cardiac cycle graph? Why or why not?
Yes, both systolic and diastolic pressures can be read.
The QRS complex of the electrocardiogram begins ________.
just prior to ventricular contraction
Blood pressure is ________.
the pressure of the blood against the blood vessel walls
Which of the following increases stroke volume?
exercise
Which portion of the electrocardiogram represents the depolarization wave received from
the sinoatrial (SA) node through the atria?
p-wave
Heart sounds are associated with ________.
turbulent blood flow, closure of the AV valves, and closure of the semilunar valves
, Pulse pressure ________.
is the difference between systolic and diastolic pressure
If you cut yourself and blood spurts rhythmically from the injury, you have probably cut
________.
an artery
The cardiac cycle ________.
represents all of the events of the heart during one heartbeat
How is the degree of oxygenation of the blood related to skin color?
when the blood is oxygen-rich, skin will be pink or red
The semilunar valves are forced open when ________.
ventricular pressure exceeds the pressure in the large arteries leaving the heart
Which portion of the electrocardiogram represents the time during which the atria
repolarize?
QRS complex
When the upper limb is raised, and the pressure cuff inflated, blood flow to the forearm is
stopped, and the hand ________.
turns very pale
The T wave of the ECG represents ________.
repolarization of ventricles
