Question 1

The reflex that elevates the testes within the scrotum when the medial side of the thigh is briskly stroked is a(n) _____ reflex.

Accepted Answer

A)  plantar
B)  abdominal
C)  cremasteric
D)  genital
E)  scrotalF) A) and B)
G) A) and E)

Question 2

This nerve helps to plant the foot.

Accepted Answer

A)  Femoral nerve
B)  Sciatic nerve
C)  Obturator nerve
D)  Genitofemoral nerve
E)  Tibial nerveF) B) and D)
G) B) and C)

Question 3

Following an injury to his arm,a patient complains that he cannot extend the forearm,wrist,and digits.You suspect that he has damaged the

Accepted Answer

A)  median nerve.
B)  radial nerve.
C)  musculocutaneous nerve.
D)  ulnar nerve.
E)  axillary nerve.F) B) and D)
G) B) and C)

Question 4

The nerve responsible for innervation (movement) of the quadriceps femoris muscle is the _____ nerve.

Accepted Answer

A)  femoral
B)  sciatic
C)  obturator
D)  genitofemoral
E)  tibialF) A) and B)
G) A) and C)

Question 5

The adult spinal cord extends inferiorly from the brain through the vertebral canal and ends at the level of the _____ vertebra.

Accepted Answer

A)  S4
B)  L1
C)  L6
D)  S1
E)  T8F) B) and D)
G) A) and D)

Question 6

Injury to this nerve causes the condition known as sciatica.

Accepted Answer

A)  Femoral nerve
B)  Sciatic nerve
C)  Obturator nerve
D)  Genitofemoral nerve
E)  Tibial nerveF) C) and E)
G) All of the above

Exam 16: Spinal Cord and Spinal Nerves

Injury to this nerve causes the condition known as sciatica.