Multiple Choice
Typically,there are __________ papillary muscles that project from the wall of the left ventricle and attach to the chordae tendineae that support the left AV valve.
A) three
B) two
C) a highly variable number of
D) six
E) no
Correct Answer:

Verified
Correct Answer:
Verified
Q87: The inferior chambers of the heart are
Q88: The cardiac cycle is<br>A)when the ventricles are
Q89: Parasympathetic innervation decreases the heart rate,but generally
Q90: Pectinate muscles are found on the<br>A)anterior wall
Q91: All cardiac veins eventually drain into the
Q92: During isovolumetric contraction,the atria are in<br>A)systole.<br>B)diastole.
Q94: Which prenatal structure forms the ascending aorta
Q95: The cell-to-cell contacts of the cardiac muscle
Q96: What part of the cardiac conduction system
Q97: Which values are reasonable for a healthy,80