Anatomy III/ Midterm III Past Paper Questions: Spinal Nerves

Question 1

Which cervical ansa contains both motor and sensory nerves?

A) superficial cervical ansa

B) deep cervical ansa

C) none of them

Answer 1

superficial cervical ansa

Question 2

What are the terminal branches of tibial nerve?

A) medial and lateral sural nerves

B) medial and lateral plantar nerves

C) sciatic and common peroneal nerves

Answer 2

medial and lateral plantar nerves

Question 3

What are the terminal branches of radial nerve?

A) tibial and common peroneal nerves

B) lat. and medial antebrachial cutaneous nerves

C) superficial and deep branches

Answer 3

superficial and deep branches

Question 4

What is the terminal branch of femoral nerve?

A) saphenous nerve

B) sciatic nerve

C) obturator nerve

Answer 4

saphenous nerve

Question 5

What is the terminal branch of musculocutaneus nerve?

A) saphenous nerve

B) lat. antebrachial cutaneous nerve

C) post. antebrachial cutaneous nerve

Answer 5

lat. antebrachial cutaneous nerve

Question 6

Which nerve innervates the interosseus muscles of the hand?

A) median

B) ulnar

C) radial

Answer 6

ulnar (deep branch)

Question 7

Which nerve innervates the rectus capitis posterior major muscle?

A) greater occipital

B) suboccipital

C) lesser occipital + third occipital

Answer 7

suboccipital

Question 8

Which nerve innervates the latissimus dorsi?

A) thoracodorsal

B) phrenic

C) long thoracic

Answer 8

thoracodorsal

Question 9

Which nerve innervates the flexor muscles of the leg?

A) musculocutaneus

B) tibial

C) common peroneal

Answer 9

tibial

Question 10

Which nerve innervates the flexor muscles of the arm?

A) musculocutaneus

B) tibial

C) median

Answer 10

musculocutaneous

(for the anatomical definition of “arm” anyway, this referring to the upper arm in informal speech)

Question 11

Which nerve innervates the majority of the adductor muscles of the thigh?

A) obturator

B) tibial, with some exceptions

C) sciatic

Answer 11

obturator

Question 12

Which nerve innervates the skin between the 1st and 2nd toes on the dorsal side?

A) deep peroneal

B) sural

C) medial cutaneous dorsal nerve of the foot

Answer 12

deep peroneal

Question 13

Which nerve pierces the psoas major muscle?

A) third occipital

B) med. cutaneous nerve of thigh

C) genitofemoral

Answer 13

genitofemoral

Question 14

Which nerve pierces the coracobrachialis muscle?

A) coracobrachial

B) intercostal

C) musculocutaneus

Answer 14

musculocutaneus

Question 15

Which nerve pierces the vasto-adductor membrane?

A) sural

B) saphenous

C) descending genicular

Answer 15

saphenous

Question 16

Which nerve pierces the supinator muscle?

A) deep branch of ulnar

B) deep branch of radial

C) musculocutaneus

Answer 16

deep branch of radial

Question 17

Which nerve(s) pass(es) through the suprapiriform hiatus?

A) suprapiriform

B) inf. gluteal + sciatic

C) sup. gluteal

Answer 17

sup. gluteal

Question 18

Which nerve passes through the lacuna musculonervosa of the subinguinal hiatus?

A) femoral

B) obturator

C) femoral + post. femoral cutaneous

Answer 18

femoral nerve

(also the lateral femoral cutaneous, but not the posterior!)

Question 19

Which nerve passes through the Guyon’s canal?

A) median

B) ulnar

C) radial

Answer 19

ulnar

Question 20

Which nerve passes through the carpal tunnel?

A) median

B) ulnar

C) radial

Answer 20

median

Question 21

What muscle(s) is/are innervated by the superficial cervical ansa?

What cranial nerve contributes to it?

Answer 21

Platysma

Facial Nerve

Question 22

What nerve perforates scalenus medius?

Answer 22

Long Thoracic

(question may also ask which nerve innervates serratus anterior)

Question 23

Where does the lesser occipital nerve come from? (a branch of what?)

Answer 23

Cervical Plexus

Question 24

What nerve passes through the lesser sciatic foramen?

Answer 24

Pudendal

Question 25

What is innervated by the deep cervical ansa?

Answer 25

infrahyoid muscles

Question 26

The greater occipital nerve pierces the:

A. trapezius

B. anterior scalenus

C. inferior oblique muscles

Answer 26

A. trapezius

Question 27

Which of the following is a terminal branch of the musculocutaneous nerve?

A. lateral cutaneous brachial nerve

B. lateral antebrachial cutaneous nerve

C. post antebrachial cutaneous nerve

Answer 27

lateral antebrachial cutaneous nerve