검증된 단계별 안내
5:05
5:05
3:42Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Atrial systole is responsible for ejecting most of the blood into the ventricles during the ventricular filling phase of the cardiac cycle.
Explain what each of the following terms represents on an electrocardiogram (ECG).
a. P wave
b. QRS complex
c. T wave
d. P-R interval
e. S-T segment
What are the effects of the plateau phase of the contractile cell action potential?
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Systole is the contraction portion of the cardiac cycle and diastole is the relaxation portion.
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Open sodium ion channels cause hyperpolarization in pacemaker cells, which triggers HCN channels to open and begins a new action potential.
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
The plateau phase in contractile cells is due to the influx of calcium ions through calcium ion channels.
