Multiple Choice
Which of the following is not an age-related change in the heart?
A) thinning of the valve cusps
B) decline in cardiac reserve
C) fibrosis of cardiac muscle
D) atherosclerosis
Correct Answer:
Verified
Correct Answer:
Verified
Q16: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7561/.jpg" alt=" Use the diagram
Q17: The parasympathetic fibers of the vagus nerve<br>A)
Q18: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7561/.jpg" alt=" Use the diagram
Q19: The first part of the heart sound
Q20: If "lub-dup" describes a heartbeat, the "dup"
Q22: Oxygen-poor blood returning to the heart enters
Q23: Contraction of these structures tightens the chordae
Q24: In atrial fibrillation, random waves of impulses
Q25: Prolapse of the atrioventricular valves is prevented
Q26: Parasympathetic impulses to the SA node are