Ch. 20 Heart Review
Authored by Kari Durham
Biology
University
Used 2+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is incorrect concerning the blood flow within the heart?
Blood flows from the atria to the ventricles
Blood flows from the ventricles to the vessels
Blood flows from the ventricles though the AV valves
All of these are correct
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
T/F: The conduction system of the heart is the electrical component of the heart where there's specialized areas to help produce a heart beat.
True
False
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
T/F: An action potential of the cardiomyocytes occur first then contraction can occur.
True
False
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is incorrect concerning the action potential of myocardiocytes?
Depolarization occurs when sodium enters
Repolarization occurs when potassium enters
Plateau occurs when calcium enters
All of these are correct
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which is incorrect concerning the EKG?
P wave - atrial depol/systole
QRS wave - ventricular depol/systole
T wave - ventricular repol/diastole
All of these are correct
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
T/F: Isovolumetric contraction is when there is no change in volume of the ventricles but the heart is still contracting
True
False
7.
OPEN ENDED QUESTION
1 min • 1 pt
Any questions or confusions you have about this chapter. Post them here!
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