Test your Knowledge

Question 1

afferent neurons are?

Answer 1

nerve cells carrying sensory info TO the CNS

Question 2

efferent neurons are?

Answer 2

nerve cells carrying sensory info AWAY from CNS

Question 3

muscle spindles are receptors sensitive to?

Answer 3

Stretching or tension

Question 4

a muscle spindle is composed of several?

Answer 4

Intrafusal fibers

Question 5

how many synapses are crossed in a single reflex arc during a muscle stretch reflex

Answer 5

one

Question 6

the ventral root of spinal nerves contain ____________ neurons, whereas the dorsal root contains _____________ neurons

Answer 6

Efferent Motor, Afferent Sensory

Question 7

the test you performed that involves the stimulation of ascending and descending spinal cord tracts

Answer 7

the plantar reflex

Question 8

biceps jerk test involves ________ nerve?

Answer 8

musculocutaneous nerve

Question 9

triceps jerk test involves ________ nerve?

Answer 9

radial nerve

Question 10

knee jerk test involves ________ nerve?

Answer 10

femoral nerve

Question 11

ankle jerk test involves ________ nerve?

Answer 11

medial popliteal nerve