Which structures pull on the tendinous cords (chordae tendinae) and hold them taut during ventricular contraction?
A. Papillary muscles
B. Pectinate muscles
C. Trabeculae carneae
D. Coronary ropes
E. Fibers in the atrioventricular bundle
Answer: A
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The smooth muscle of the digestive viscera is served largely by the ________
A) pelvic nerves B) vagus (X) nerves C) lumbar splanchnic nerves D) cephalic plexus
The following angle is given in degrees, arcminutes, and arcseconds. Rewrite them in degrees and fractions of degrees: 60 38' 42"
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