The patellar "knee jerk" reflex is an example of a(n) ________.
A) extensor thrust reflex
B) stress reflex
C) crossed-extensor reflex
D) stretch reflex

Question

Quizplus · Accepted Answer

The patellar "knee jerk" reflex is a stretch reflex, which is a type of reflex that occurs when a muscle is stretched and triggers a reflex response to prevent overstretching or tearing of the muscle. In the case of the patellar reflex, the stretching of the patellar tendon triggers a reflex contraction of the quadriceps muscle, resulting in the characteristic knee jerk response.

The Patellar "Knee Jerk" Reflex Is an Example of A(n)