Question 1

The nerve that innervates the deltoid muscle and receives sensory input from the superolateral lateral arm is the

Accepted Answer

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

Question 2

A network of interwoven anterior rami of spinal nerves is a

Accepted Answer

A)  ramus.
B)  communicans.
C)  ganglion.
D)  dermatome.
E)  plexus.F) A) and E)
G) A) and D)

Question 3

Which type of reflex occurs with the smallest delay

Accepted Answer

A)  Polysynaptic
B)  MonosynapticC) A) and B)
D) undefined

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) D) and E)
G) A) and C)

Question 5

The spinal nerves that give rise to the sacral plexus are

Accepted Answer

A)  L4-S4.
B)  T11-Co1.
C)  L2-S1.
D)  S4-C2.E) A) and C)
F) C) and D)

Question 6

-This figure shows the spinal cord and spinal nerves.What structure does number 2 indicate

Accepted Answer

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

Question 7

In both the anterolateral pathway and the posterior funiculus-medial lemniscal pathway,the axons of the ________ neurons decussate in the CNS.

Accepted Answer

A)  primary
B)  secondary
C)  tertiary
D)  quaternaryE) C) and D)
F) A) and B)

Question 8

In the brain,the outer cerebral cortex consists of gray matter,but in the spinal cord,gray matter is confined to the innermost regions.

Accepted Answer

A) True 
 B)False

Question 9

The anterior rami of T1-T11 are called

Accepted Answer

A)  dorsal plexuses.
B)  anterior plexuses.
C)  intercostal nerves.
D)  branchial nerves.
E)  cervical nerves.F) B) and C)
G) A) and B)

Question 10

The nerves projecting inferiorly from the spinal cord are collectively called the

Accepted Answer

A)  terminal finale.
B)  cauda equina.
C)  terminus filus.
D)  caudal terminale.
E)  caudus finalis.F) C) and E)
G) A) and E)

Question 11

The cell bodies of lower motor neurons are housed in the posterior horns of the spinal cord.

Accepted Answer

A) True 
 B)False

Question 12

Some motor pathways originate in the cerebellum.

Accepted Answer

A) True 
 B)False

Question 13

Which space associated with the spinal cord meninges contains areolar connective tissue,blood vessels,and adipose connective tissue

Accepted Answer

A)  Subarachnoid space
B)  Epidural space
C)  Central canal
D)  Subdural space
E)  Epiarachnoid spaceF) A) and E)
G) A) and D)

Question 14

The white matter of the spinal cord is surrounded by its grey matter.

Accepted Answer

A) True 
 B)False

Question 15

The anterior spinocerebellar tract conducts signals about

Accepted Answer

A)  pain from the upper limbs.
B)  pain from the lower limbs.
C)  proprioception from the upper limbs.
D)  proprioception from the lower limbs.E) A) and B)
F) C) and D)

Question 16

Which spinal nerves contribute to the brachial plexus

Accepted Answer

A)  S1-Co1
B)  L1-L5
C)  C5-T1
D)  L4-S4
E)  C1-C5F) C) and E)
G) A) and E)

Question 17

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) D) and E)
G) B) and E)

Question 18

Information about pain and temperature is conveyed to the brain by way of the

Accepted Answer

A)  posterior funiculus-medial lemniscal pathway.
B)  spinocerebellar pathway.
C)  anterolateral pathway.
D)  fasciculus gracilis.
E)  tectospinal tract.F) B) and D)
G) B) and E)

Question 19

A reflex arc in which both the receptor and the effector organs of the reflex are on the same side of the spinal cord is

Accepted Answer

A)  monosynaptic.
B)  polysynaptic.
C)  ipsilateral.
D)  contralateral.
E)  None of the choices is correct.F) A) and C)
G) A) and E)

Question 20

The most delicate of the meninges consists of elastic and collagen fibers and is known as the

Accepted Answer

A)  pia mater.
B)  dura mater.
C)  falx cerebri.
D)  arachnoid mater.E) B) and D)
F) B) and C)

Exam 14: Nervous System: Spinal Cord and Spinal Nerves

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

Correct AnswerverifiedShow Answer

The nerves projecting inferiorly from the spinal cord are collectively called the

Correct AnswerverifiedShow Answer

The nerve that innervates the deltoid muscle and receives sensory input from the superolateral lateral arm is the

Correct AnswerverifiedShow Answer

A network of interwoven anterior rami of spinal nerves is a

Correct AnswerverifiedShow Answer

Which type of reflex occurs with the smallest delay

Correct AnswerverifiedShow Answer

-This figure shows the spinal cord and spinal nerves.What structure does number 2 indicate

Correct AnswerverifiedShow Answer

The cell bodies of lower motor neurons are housed in the posterior horns of the spinal cord.

Correct AnswerverifiedShow Answer

Which spinal nerves contribute to the brachial plexus

Correct AnswerverifiedShow Answer

The anterior spinocerebellar tract conducts signals about

Correct AnswerverifiedShow Answer

In the brain,the outer cerebral cortex consists of gray matter,but in the spinal cord,gray matter is confined to the innermost regions.

Correct AnswerverifiedShow Answer

Some motor pathways originate in the cerebellum.

Correct AnswerverifiedShow Answer

The spinal nerves that give rise to the sacral plexus are

Correct AnswerverifiedShow Answer

Which space associated with the spinal cord meninges contains areolar connective tissue,blood vessels,and adipose connective tissue

Correct AnswerverifiedShow Answer

Information about pain and temperature is conveyed to the brain by way of the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The anterior rami of T1-T11 are called

Correct AnswerverifiedShow Answer

In both the anterolateral pathway and the posterior funiculus-medial lemniscal pathway,the axons of the ________ neurons decussate in the CNS.

Correct AnswerverifiedShow Answer

The white matter of the spinal cord is surrounded by its grey matter.

Correct AnswerverifiedShow Answer

A reflex arc in which both the receptor and the effector organs of the reflex are on the same side of the spinal cord is

Correct AnswerverifiedShow Answer

The most delicate of the meninges consists of elastic and collagen fibers and is known as the

Correct AnswerverifiedShow Answer

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