Multiple Choice
________ release produces a decrease in both the heart rate and force of contraction through the stimulation of muscarinic receptors on nodal cells and contractile cells.
A) Dopamine
B) Acetylcholine (ACh)
C) Serotonin
D) Norepinephrine (NE)
E) Cholecystokinin
Correct Answer:

Verified
Correct Answer:
Verified
Q3: Which of the following is a function
Q4: Figure 21.5<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 21.5
Q5: _ is the term used to indicate
Q6: Figure 21.1<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 21.1
Q7: Which branch(es)of the right coronary artery extends
Q9: Figure 21.2<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 21.2
Q10: Figure 21.1<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 21.1
Q11: Because cardiac muscles are mechanically, chemically, and
Q12: The _ are a series of irregular
Q13: Figure 21.1<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 21.1