The stretch reflex
A) involves a receptor called the Golgi tendon organ.
B) is important in regulating muscle length.
C) is an example of a polysynaptic reflex.
D) is activated when a skeletal muscle lengthens.
E) both B and D

Question

Quizplus · Accepted Answer

The stretch reflex is important in regulating muscle length (B) and is activated when a skeletal muscle lengthens (D). It involves muscle spindles, not the Golgi tendon organ, and is a monosynaptic reflex.

The Stretch Reflex