Question 1

Match the term with the correct definition.
-epidural space

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 periosteum 
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 periosteum

Question 2

-What does "C" represent?

Accepted Answer

A) central canal 
B) ventral root 
C) dorsal root ganglion 
D) spinal nerve 
E) dorsal root 
A) central canal 
B) ventral root 
C) dorsal root ganglion 
D) spinal nerve 
E) dorsal root

Question 3

Match the term with the correct definition.
-reflex arc

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 periosteum 
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 periosteum

Question 4

-Label component "B" on the reflex arc.

Accepted Answer

A) sensory receptor 
B) effector organ 
C) sensory neuron 
D) motor neuron 
E) interneuron 
A) sensory receptor 
B) effector organ 
C) sensory neuron 
D) motor neuron 
E) interneuron

Question 5

-What does "E" represent?

Accepted Answer

A) spinal nerves 
B) conus medullaris 
C) cervical enlargement 
D) filium terminale 
E) cauda equina 
A) spinal nerves 
B) conus medullaris 
C) cervical enlargement 
D) filium terminale 
E) cauda equina

Question 6

Match the nerve with the appropriate description.
-common fibular 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 nerves 
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 nerves

Question 7

-Label component "C" on the reflex arc.

Accepted Answer

A) sensory receptor 
B) effector organ 
C) sensory neuron 
D) motor neuron 
E) interneuron 
A) sensory receptor 
B) effector organ 
C) sensory neuron 
D) motor neuron 
E) interneuron

Question 8

When a person sits on a hard surface for a period of time,his foot or leg may "go to sleep." This sensation is the result of compressing the _____ nerve.

Accepted Answer

A) femoral 
B) sciatic 
C) obturator 
D) pudendal 
E) ulnar 
A) femoral 
B) sciatic 
C) obturator 
D) pudendal 
E) ulnar

Question 9

The ventral root of a spinal nerve contains

Accepted Answer

A) only sensory fibers. 
B) only motor fibers. 
C) only afferent fibers. 
D) both sensory and motor fibers. 
E) a ganglion. 
A) only sensory fibers. 
B) only motor fibers. 
C) only afferent fibers. 
D) both sensory and motor fibers. 
E) a ganglion.

Question 10

Match the term with the most appropriate description.
-removing hand from a hot iron

Accepted Answer

A) stretch reflex 
B) Golgi tendon reflex 
C) withdrawal reflex 
D) crossed extensor reflex 
E) reciprocal innervation 
A) stretch reflex 
B) Golgi tendon reflex 
C) withdrawal reflex 
D) crossed extensor reflex 
E) reciprocal innervation

Question 11

The sac surrounding the spinal cord is the

Accepted Answer

A) dural sac. 
B) meningeal sac. 
C) thecal sac. 
D) epidural sac. 
A) dural sac. 
B) meningeal sac. 
C) thecal sac. 
D) epidural sac.

Question 12

Which of the following combinations indicates the correct distribution of spinal nerve pairs?

Accepted Answer

A) 7 cervical - 12 thoracic - 6 lumbar - 5 sacral - 1 coccygeal 
B) 7 cervical - 12 thoracic - 5 lumbar - 6 sacral - 1 coccygeal 
C) 8 cervical - 12 thoracic - 6 lumbar - 4 sacral - 1 coccygeal 
D) 8 cervical - 12 thoracic - 5 lumbar - 5 sacral - 1 coccygeal 
E) 7 cervical - 13 thoracic - 6 lumbar - 5 sacral - 1 coccygeal 
A) 7 cervical - 12 thoracic - 6 lumbar - 5 sacral - 1 coccygeal 
B) 7 cervical - 12 thoracic - 5 lumbar - 6 sacral - 1 coccygeal 
C) 8 cervical - 12 thoracic - 6 lumbar - 4 sacral - 1 coccygeal 
D) 8 cervical - 12 thoracic - 5 lumbar - 5 sacral - 1 coccygeal 
E) 7 cervical - 13 thoracic - 6 lumbar - 5 sacral - 1 coccygeal

Question 13

During a spinal tap,cerebrospinal fluid is obtained from which of the following locations?

Accepted Answer

A) dural sinus 
B) epidural space 
C) subarachnoid space 
D) subdural space 
E) sagittal sinus 
A) dural sinus 
B) epidural space 
C) subarachnoid space 
D) subdural space 
E) sagittal sinus

Question 14

The endoneurium

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) surrounds nerve tracts in the spinal cord. 
A) surrounds nerve cell bodies. 
B) surrounds individual axons and their Schwann cells. 
C) bundles axons into fascicles. 
D) bundles fascicles into nerves. 
E) surrounds nerve tracts in the spinal cord.

Question 15

The reflex that prevents excessive tension in a muscle is the

Accepted Answer

A) stretch reflex. 
B) withdrawal reflex. 
C) Golgi tendon reflex. 
D) reciprocal reflex. 
E) crossed extensor reflex. 
A) stretch reflex. 
B) withdrawal reflex. 
C) Golgi tendon reflex. 
D) reciprocal reflex. 
E) crossed extensor reflex.

Question 16

Match the nerve with the appropriate description.
-coccygeal plexus

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 nerves 
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 nerves

Question 17

Reflexes

Accepted Answer

A) are homeostatic. 
B) are not homeostatic. 
C) are voluntary conscious responses to a stimulus. 
D) are integrated in the spinal cord,but not the brain. 
E) are integrated in the brain,but not the spinal cord. 
A) are homeostatic. 
B) are not homeostatic. 
C) are voluntary conscious responses to a stimulus. 
D) are integrated in the spinal cord,but not the brain. 
E) are integrated in the brain,but not the spinal cord.

Question 18

The gastrocnemius muscle is most likely to be innervated by the _____ nerve.

Accepted Answer

A) obturator 
B) common fibular (peroneal) 
C) tibial 
D) femoral 
E) median 
A) obturator 
B) common fibular (peroneal) 
C) tibial 
D) femoral 
E) median

Question 19

Which of the following nerves is a branch of both the cervical plexus and the brachial plexus?

Accepted Answer

A) axillary 
B) femoral 
C) phrenic 
D) sciatic 
E) splanchnic 
A) axillary 
B) femoral 
C) phrenic 
D) sciatic 
E) splanchnic

Question 20

Branches of the pudendal nerve are anesthetized during childbirth before the doctor performs a(an)_______________.

Accepted Answer

The answer of Branches of the pudendal nerve are anesthetized...

Exam 12: Spinal Cord and Spinal Nerves

Match the term with the correct definition. -epidural space

-What does "C" represent?

Match the term with the correct definition. -reflex arc

-Label component "B" on the reflex arc.

-What does "E" represent?

Match the nerve with the appropriate description. -common fibular nerve

-Label component "C" on the reflex arc.

When a person sits on a hard surface for a period of time,his foot or leg may "go to sleep." This sensation is the result of compressing the _____ nerve.

The ventral root of a spinal nerve contains

Match the term with the most appropriate description. -removing hand from a hot iron

The sac surrounding the spinal cord is the

Which of the following combinations indicates the correct distribution of spinal nerve pairs?

During a spinal tap,cerebrospinal fluid is obtained from which of the following locations?

The endoneurium

The reflex that prevents excessive tension in a muscle is the

Match the nerve with the appropriate description. -coccygeal plexus

Reflexes

The gastrocnemius muscle is most likely to be innervated by the _____ nerve.

Which of the following nerves is a branch of both the cervical plexus and the brachial plexus?

Branches of the pudendal nerve are anesthetized during childbirth before the doctor performs a(an)_______________.

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition,metabolism,and Temperature Regulation

Urinary System

Water,electrolyte,and Acid-Based Balance

Reproductive System

Development,growth,aging,and Genetics

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