Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account

a withdrawal reflex employs ...

motor neurons in conjunction with sensory and motor neurons

interneurons in a withdrawal reflex are located ...

in the sensory neurons

a reflex arc begins

with the stimulation of a sensory receptor at the end of a sensory neuron

effects of a reflex arc are ...

glands and muscles

a patellar reflex employs

only sensory and motor neurons

the quad

is the effector muscle of the patellar reflex

the sensory stretch receptors (muscle spindles) of the patellar reflex arc

are located in the skeletal muscle

the dorsal root of a spinal nerve contains

the sensory neurons

the normal plantar reflex results in

flexion (curling) of the toes

Babinski reflex

stroking the sole of the foot in infants results in dorsiflexion and toes that spread apart

patellar reflex (response observed)

moderate extension of the leg at the knee joint

patellar reflex (effector muscle involved)


calcaneal reflex (response observed)

plantar flexion of the foot

calcaneal reflex (effector muscle involved)


biceps reflex (response observed)

slight twitch of muscle or flexion of the forearm

biceps reflex (effector muscle involved)


triceps reflex (response observed)

slight twitch of muscle or extension of the forearm

triceps reflex (effector muscle involved)


plantar reflex (response observed)

flexion (curling) of the toes

plantar reflex (effector muscle involved)

muscles in the toes

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording