Nerves and MSK reflexes

Question 1

Which nerve roots are responsible for the knee jerk reflex?

Answer 1

L4

Question 2

Which peripheral nerve is tested in the knee jerk reflex?

Answer 2

Femoral

Question 3

Which nerve roots are responsible for the ankle jerk reflex?

Answer 3

S1 - S2

Question 4

Which peripheral nerve is tested in the ankle jerk reflex?

Answer 4

Tibial

Question 5

Which nerve roots are responsible for the Biceps jerk reflex?

Answer 5

C5, C6

Question 6

Which nerve is being tested in the biceps jerk reflex?

Answer 6

Musculocutaneous

Question 7

Which nerve roots are responsible for the triceps jerk?

Answer 7

C7

Question 8

Which peripheral nerve is tested by the triceps jerk?

Answer 8

Radial

Question 9

Which nerve roots are responsible for the brachioradialis (supinator) reflex?

Answer 9

C6

Question 10

Which peripheral nerve is responsible for the brachioradialis (supinator) reflex?

Answer 10

Radial

Question 11

Which cranial nerves make up the sensory and motor limbs in the pupillary light reflex?

Answer 11

Sensory: CN II
Motor: CN III

Question 12

Which cranial nerves make up the sensory and motor limbs in the accomodation reflex?

Answer 12

Sensory: CN II
Motor: CN III

Question 13

Which cranial nerves make up the sensory and motor limbs in the corneal / blink reflex?

Answer 13

Sensory: V1 (nasocilliary branches as these supply the cornea)
Motor: VII

Question 14

Which cranial nerve make up the sensory limb of the vestibulo-ocular reflex?

Answer 14

VIII

Question 15

Which cranial nerves make up the sensory and motor limbs in the gag reflex?

Answer 15

Sensory: IX
Motor: X

Question 16

Which cranial nerves make up the sensory and motor limbs in the lacrimation reflex?

Answer 16

Sensory: CN V1
Motor: VII (parasympathetic innervation of the lacrimal gland)