Deck 49: Pig Nervous System

Question 1

List the layers of the meningeal membranes surrounding the brain and spinal cord from most superficial to deepest:
1 Pia mater
2 Arachnoid mater
3 Dura mater

A) 3, 1, 2
B) 1, 3, 2
C) 2, 3, 1
D) 3, 2, 1
E) 1, 2, 3

Answer 1

D

Question 2

Identify the sciatic nerve in the following figure.

A) A
B) B
C) C
D) D

Answer 2

D

Question 3

In the spinal cord, the ________ matter is deep to the ________ matter.

A) white; gray
B) gray; white

Answer 3

B

Question 4

Both pigs and humans have pairs of spinal nerves extending from the spinal cord. While pigs have between 38 to 40 pairs, humans typically have ________ pairs.

A) 24
B) 31
C) 12
D) 6

Question 5

Identify the nerve plexus at the tip of the arrow in the following figure.

A) cervical plexus
B) brachial plexus
C) lumbar plexus
D) sacral plexus

Question 6

Which nerve supplies the coracobrachial and biceps brachii muscles of the ventral forelimb and the skin of the forelimb?

A) radial nerve
B) ulnar nerve
C) median nerve
D) musculocutaneous nerve

Question 7

Which of these is NOT a nerve of the brachial plexus?

A) phrenic nerve
B) median nerve
C) ulnar nerve
D) radial nerve
E) musculocutaneous nerve

Question 8

To dissect the spinal cord, you must first cut through this, the outermost layer of the meninges.

A) arachnoid mater
B) dura mater
C) pia mater

Question 9

Identify the radial nerve in the following figure.

A) A
B) B
C) C
D) D

Question 10

Identify the ulnar nerve in the following figure.

A) A
B) B
C) C
D) D

Question 11

Damage to the radial nerve would impact which muscle?

A) biceps brachii
B) triceps brachii
C) pectoralis
D) coracobrachialis

Question 12

Which nerve extends along the lateral side of the hindlimb?

A) median nerve
B) musculocutaneous nerve
C) common fibular nerve
D) tibial nerve

Question 13

The common fibular nerve and the tibial nerve branch from which nerve?

A) sciatic nerve
B) musculocutaneous nerve
C) ulnar nerve
D) femoral nerve

Question 14

The sciatic nerve extends from which nerve plexus?

A) cervical
B) brachial
C) sacral

Question 15

The spinal nerves are formed by the ________.

A) dura mater
B) dorsal and ventral roots
C) pia mater