In a Healthy Adult,a Well-Placed Tap on the Knee Will

Multiple Choice

In a healthy adult,a well-placed tap on the knee will result in a:

A) contraction of the tendon and its muscles, the quadriceps femoris, and thereby stimulation of the muscle spindles.
B) stretch of the blood vessels and decreased blood flow to the lower extremities.
C) stretch of the tendon, the quadriceps femoris, and thereby stimulation of the muscle spindles.
D) stretch of the tendon and its muscles, the rectus femoris, and thereby stimulation of the muscle spindles.