Question 1

Cutaneous sensory distribution of a spinal nerve can be mapped as a ________.

Accepted Answer

The answer of Cutaneous sensory distribution of a spinal nerve...

Question 2

Doctor Johansson wants to test a patient's reflexes by briskly striking the patellar tendon with a reflex hammer.Which reflex is Dr.Johansson testing?

Accepted Answer

A)  the Golgi tendon reflex.
B)  the withdrawal reflex.
C)   the knee-jerk reflex.
D)  the crossed extensor reflex.
E)  reciprocal innervation.F) D) and E)
G) A) and E)

Question 3

Match the nerve with the appropriate description.
-tibial nerve

Accepted Answer

A)  innervates the iliopsoas,sartorius,and quadriceps femoris
B)  innervates muscles of the pelvic floor
C)  innervates the muscles that adduct the thigh
D)  innervates the anterior and lateral muscles of the leg
E)  branches to form the medial and lateral plantar nervesF) None of the above
G) C) and D)

Question 4

Match the term with the correct definition.
-pia mater

Accepted Answer

A)  functional unit of the nervous system
B)  most superficial and thickest meninx
C)  the middle meninx
D)  the meninx bound tightly to brain and spinal cord
E)  separates dura mater from periosteumF) A) and E)
G) B) and D)

Question 5

The sciatic nerve is composed of the

Accepted Answer

A)  femoral nerve and the tibial nerve.
B)  tibial nerve and the common fibular nerve.
C)  femoral nerve and the obturator nerve.
D)  common fibular nerve and the pudendal nerve.
E)  superior gluteal and inferior gluteal.F) A) and D)
G) B) and D)

Question 6

Which of the following events in a stretch reflex occurs last?

Accepted Answer

A)  alpha motor neurons transmit action potentials to muscle causing contraction
B)  muscle spindle detects stretch of muscle
C)  afferent neurons conduct action potentials to the spinal cord
D)  afferent neurons synapse with alpha motor neurons
E)  muscle is stretchedF) B) and C)
G) None of the above

Question 7

Dermatomal maps are important clinically because they

Accepted Answer

A)  can be used to check for motor function.
B)  locate the position of cranial nerves.
C)  can be used to help locate nerve damage.
D)  indicate what muscles are innervated by each spinal nerve.
E)  can be used to detect cranial nerve damage.F) None of the above
G) All of the above

Question 8

Place the following parts of a reflex arc in the correct order beginning with the sensory receptor. (1) motor neuron
(2) interneuron
(3) effector
(4) sensory neuron
(5) sensory receptor

Accepted Answer

A)  5,1,2,3,4
B)  5,3,2,4,1
C)  5,4,3,2,1
D)  5,2,3,4,1
E)  5,4,2,1,3F) All of the above
G) A) and D)

Question 9

-What does "D" represent?

Accepted Answer

A)  spinal nerves
B)  conus medullaris
C)  cervical enlargement
D)  filium terminale
E)  cauda equinaF) A) and B)
G) A) and E)

Question 10

The motor root of a spinal nerve is also referred to as the

Accepted Answer

A)  afferent root.
B)  dorsal root.
C)  posterior root.
D)  ventral root.
E)  sensory root.F) None of the above
G) C) and D)

Question 11

Improper use of crutches could cause compression of the _____ nerve.

Accepted Answer

A)  axillary
B)  radial
C)  musculocutaneous
D)  ulnar
E)  medianF) C) and D)
G) B) and C)

Question 12

If you pinch your index finger in a door,pain sensations are carried via the ____ nerve.

Accepted Answer

A)  radial
B)  median
C)  axillary
D)  musculocutaneous
E)  ulnarF) A) and B)
G) A) and C)

Question 13

Match the nerve with the appropriate description.
-femoral nerve

Accepted Answer

A)  innervates the iliopsoas,sartorius,and quadriceps femoris
B)  innervates muscles of the pelvic floor
C)  innervates the muscles that adduct the thigh
D)  innervates the anterior and lateral muscles of the leg
E)  branches to form the medial and lateral plantar nervesF) A) and D)
G) D) and E)

Question 14

Adduction of the thigh involves the

Accepted Answer

A)  peroneal nerve.
B)  femoral nerve.
C)  obturator nerve.
D)  pudendal nerve.
E)  tibial nerve.F) A) and D)
G) B) and D)

Question 15

Match the nerve with the appropriate description.
-obturator nerve

Accepted Answer

A)  innervates the iliopsoas,sartorius,and quadriceps femoris
B)  innervates muscles of the pelvic floor
C)  innervates the muscles that adduct the thigh
D)  innervates the anterior and lateral muscles of the leg
E)  branches to form the medial and lateral plantar nervesF) C) and D)
G) B) and C)

Question 16

Which of the following is false?

Accepted Answer

A)  The dorsal root of the spinal cord conveys sensory (afferent) nerve impulses to the spinal cord.
B)  The posterior horn of the cord contains the cell bodies of motor neurons.
C)  The ventral root is formed by the axons of neurons in the lateral and anterior horns.
D)  The dorsal and ventral roots unite to form spinal nerves.
E)  The ventral root of the spinal cord conveys motor (efferent) nerve impulses away from the spinal cord.F) B) and D)
G) A) and C)

Question 17

A collapsed intervertebral foramen could affect all of the following spinal nerves EXCEPT

Accepted Answer

A)   C2-C8
B)   T1-T12
C)   L1-L5
D)   C1E) A) and D)
F) B) and C)

Question 18

Reflex arcs

Accepted Answer

A)  are capable of receiving a stimulus and yielding a response.
B)  are the basic structural units of the nervous system.
C)  occur primarily in the cerebral cortex of the brain.
D)  involve inhibitory neurons.
E)  do not involve the spinal cord.F) A) and E)
G) A) and C)

Question 19

The epineurium

Accepted Answer

A)  surrounds nerve cell bodies.
B)  surrounds individual axons and their Schwann cells.
C)  bundles axons into fascicles.
D)  bundles fascicles into nerves.
E)  bundles fascicles into axons.F) A) and C)
G) B) and D)

Question 20

Reflexes function in

Accepted Answer

A)  removing the body from painful stimuli.
B)  keeping the body from falling.
C)  maintaining blood pressure.
D)  maintaining blood CO2 levels.
E)  All of these choices are correct.F) C) and D)
G) B) and D)

Exam 12: Spinal Cord and Spinal Nerves

The epineurium

Correct AnswerverifiedShow Answer

Which of the following is false?

Correct AnswerverifiedShow Answer

Dermatomal maps are important clinically because they

Correct AnswerverifiedShow Answer

Match the nerve with the appropriate description. -obturator nerve

Correct AnswerverifiedShow Answer

Reflexes function in

Correct AnswerverifiedShow Answer

Adduction of the thigh involves the

Correct AnswerverifiedShow Answer

Match the nerve with the appropriate description. -femoral nerve

Correct AnswerverifiedShow Answer

Cutaneous sensory distribution of a spinal nerve can be mapped as a ________.

Correct AnswerverifiedShow Answer

Match the nerve with the appropriate description. -tibial nerve

Correct AnswerverifiedShow Answer

Improper use of crutches could cause compression of the _____ nerve.

Correct AnswerverifiedShow Answer

-What does "D" represent?

Correct AnswerverifiedShow Answer

Which of the following events in a stretch reflex occurs last?

Correct AnswerverifiedShow Answer

Match the term with the correct definition. -pia mater

Correct AnswerverifiedShow Answer

If you pinch your index finger in a door,pain sensations are carried via the ____ nerve.

Correct AnswerverifiedShow Answer

The motor root of a spinal nerve is also referred to as the

Correct AnswerverifiedShow Answer

Doctor Johansson wants to test a patient's reflexes by briskly striking the patellar tendon with a reflex hammer.Which reflex is Dr.Johansson testing?

Correct AnswerverifiedShow Answer

Reflex arcs

Correct AnswerverifiedShow Answer

Place the following parts of a reflex arc in the correct order beginning with the sensory receptor. (1) motor neuron (2) interneuron (3) effector (4) sensory neuron (5) sensory receptor

Correct AnswerverifiedShow Answer

The sciatic nerve is composed of the

Correct AnswerverifiedShow Answer

A collapsed intervertebral foramen could affect all of the following spinal nerves EXCEPT

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified