Multiple Choice
Figure 21.4
Using the above figure, identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label L.
A) Papillary muscles
B) Chordae tendineae
C) Moderator bands
D) Trabeculae carneae
E) Pectinate muscles
Correct Answer:
Verified
Correct Answer:
Verified
Q17: Figure 21.5<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 21.5
Q18: The rapidly depolarizing cells, called pacemaker cells,
Q19: Figure 21.4<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 21.4
Q20: Figure 21.2<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 21.2
Q21: Which event typically occurs at the start
Q23: The heart rate may be influenced or
Q24: Figure 21.5<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 21.5
Q25: The fibrous pericardium lies deep to the
Q26: Figure 21.1<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 21.1
Q27: Describe cardiac arrhythmias and briefly discuss their