Question 1

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) All of the above
G) A) and C)

Question 2

The embryonic feature that gives rise to the anterior and lateral horns of gray matter and part of the gray commissure is the _____ plate.

Accepted Answer

A)  basal
B)  alar
C)  ulnar
D)  anterior
E)  posteriorF) A) and D)
G) D) and E)

Question 3

-This figure shows an anterior view of the spinal cord and meninges.What structure does number 1 indicate?

Accepted Answer

A)  Anterior root
B)  Posterior root
C)  Anterior root ganglion
D)  Posterior root ganglion
E)  Gray commissureF) None of the above
G) All of the above

Question 4

The plexus that supplies the upper limbs is the _________ plexus.

Accepted Answer

A)  cervical
B)  brachial
C)  branchial
D)  lumbar
E)  coccygealF) A) and B)
G) B) and C)

Question 5

If a person suffers a thorax-crushing injury and is unable to breathe properly,you would suspect that this nerve was damaged.

Accepted Answer

A)  Transverse cervical nerve
B)  Accessory nerve
C)  Phrenic nerve
D)  Sciatic nerve
E)  Greater auricular nerveF) A) and E)
G) All of the above

Question 6

Following an injury to his arm,a patient complains that he has no sensations from his "pinky".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 E)
G) B) and C)

Question 7

-This figure shows the spinal cord and spinal nerves.What structure does number 1 indicate?

Accepted Answer

A)  Dura mater
B)  Filum terminale
C)  Cauda equina
D)  Conus medullaris
E)  Posterior rootletsF) A) and B)
G) C) and D)

Question 8

The spinal cord allows for two-way communication between the brain and body.

Accepted Answer

A) True 
 B)False

Question 9

A monosynaptic reflex that monitors and regulates skeletal muscle length is a _____ reflex.

Accepted Answer

A)  withdrawal
B)  flexor
C)  Golgi tendon
D)  stretch
E)  hypoactiveF) A) and B)
G) A) and C)

Question 10

The inferior tip of the spinal cord is the ___________ part.

Accepted Answer

A)  thoracic
B)  lumbar
C)  coccygeal
D)  cervical
E)  sacralF) A) and B)
G) C) and D)

Question 11

-This figure shows neuron pathways and nuclei locations.What type of nuclei does number 1 indicate?

Accepted Answer

A)  Somatic motor nuclei
B)  Autonomic motor nuclei
C)  Visceral sensory nuclei
D)  Somatic sensory nuclei
E)  None of the choices is correct.F) D) and E)
G) C) and D)

Question 12

What is the correct order for the events that occur during a reflex?
A: Impulse travels through sensory neuron to the CNS
B: A stimulus activates a receptor
C: Information is processed by interneurons
D: Motor neuron transmits impulse to effector
E: Effector responds

Accepted Answer

A)  a,b,c,d,e
B)  b,a,c,d,e
C)  c,b,a,e,d
D)  c,a,b,d,e
E)  b,d,c,a,eF) A) and B)
G) A) and E)

Question 13

There are ____ pairs of spinal nerves.

Accepted Answer

A)  13
B)  31
C)  40
D)  51
E)  12F) A) and E)
G) All of the above

Question 14

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 C)
G) A) and D)

Question 15

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 E)
G) A) and D)

Question 16

This nerve receives sensation from the skin of the external genitalia.

Accepted Answer

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

Question 17

-This figure shows spinal nerve branches.What structures are indicated by number 4?

Accepted Answer

A)  Anterior rami
B)  Posterior rami
C)  Rami communicantes
D)  Sympathetic trunk ganglia
E)  Posterior root gangliaF) C) and E)
G) C) and D)

Question 18

-This figure shows neuron pathways and nuclei locations.What type of nuclei does number 2 indicate?

Accepted Answer

A)  Somatic motor nuclei
B)  Autonomic motor nuclei
C)  Visceral sensory nuclei
D)  Somatic sensory nuclei
E)  None of the choices is correct.F) B) and D)
G) A) and D)

Question 19

This figure shows a cross section of a vertebra and the spinal cord.What structure does number 1 indicate?

Accepted Answer

A)  Epidural space
B)  Pia mater
C)  Subarachnoid space
D)  Central canal
E)  Dura materF) A) and E)
G) B) and D)

Question 20

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 E)
G) B) and E)

Exam 16: Spinal Cord and Spinal Nerves

This nerve receives sensation from the skin of the external genitalia.

Correct AnswerverifiedShow Answer

This figure shows a cross section of a vertebra and the spinal cord.What structure does number 1 indicate?

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Injury to this nerve causes the condition known as sciatica.

Correct AnswerverifiedShow Answer

This nerve helps to plant the foot.

Correct AnswerverifiedShow Answer

If a person suffers a thorax-crushing injury and is unable to breathe properly,you would suspect that this nerve was damaged.

Correct AnswerverifiedShow Answer

Following an injury to his arm,a patient complains that he has no sensations from his "pinky".You suspect that he has damaged the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A monosynaptic reflex that monitors and regulates skeletal muscle length is a _____ reflex.

Correct AnswerverifiedShow Answer

-This figure shows neuron pathways and nuclei locations.What type of nuclei does number 1 indicate?

Correct AnswerverifiedShow Answer

What is the correct order for the events that occur during a reflex? A: Impulse travels through sensory neuron to the CNS B: A stimulus activates a receptor C: Information is processed by interneurons D: Motor neuron transmits impulse to effector E: Effector responds

Correct AnswerverifiedShow Answer

The inferior tip of the spinal cord is the ___________ part.

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-This figure shows spinal nerve branches.What structures are indicated by number 4?

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-This figure shows the spinal cord and spinal nerves.What structure does number 1 indicate?

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There are ____ pairs of spinal nerves.

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-This figure shows neuron pathways and nuclei locations.What type of nuclei does number 2 indicate?

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

Correct AnswerverifiedShow Answer

The spinal cord allows for two-way communication between the brain and body.

Correct AnswerverifiedShow Answer

-This figure shows an anterior view of the spinal cord and meninges.What structure does number 1 indicate?

Correct AnswerverifiedShow Answer

The plexus that supplies the upper limbs is the _________ plexus.

Correct AnswerverifiedShow Answer

The embryonic feature that gives rise to the anterior and lateral horns of gray matter and part of the gray commissure is the _____ plate.

Correct AnswerverifiedShow Answer

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