Cardiac cells are able to generate an impulse to contract even without an external stimulus. This is called:
A) excitability.
B) action potential.
C) automaticity.
D) chronotropic effect.
Correct Answer:
Verified
Q2: The QRS wave of an electrocardiogram (EKG)
Q3: Stimulation of alpha receptors results in:
A) vasoconstriction
Q4: A healthy 40-year-old man was sitting and
Q5: Factor(s) that affect stroke volume include:
A) preload.
B)
Q6: The renin-angiotensin-aldosterone pathway:
A) is activated by renin.
B)
Q7: What is the mechanism of death following
Q8: A 62-year-old man had a left ventricular
Q9: Which of the following statements related to
Q10: A patient presents to the emergency department
Q11: With mitral valve prolapse, the leaflets:
A) are
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