Question 1

Structures that pick up environmental changes from inside or outside of the body are called

Accepted Answer

A)  sensory receptors 
B)  nerves 
C)  ganglia 
D)  motor endings 
A)  sensory receptors 
B)  nerves 
C)  ganglia 
D)  motor endings

Question 2

What is the only cranial nerve that has fibers that enter and leave the skull through different foramina? (Hint: It enters through the foramen magnum and leaves through the jugular foramen.)

Accepted Answer

A)  VI 
B)  XII 
C)  XI 
D)  I 
A)  VI 
B)  XII 
C)  XI 
D)  I

Question 3

Which of these statements about intercostal nerves is true?

Accepted Answer

A)  They are part of a nerve plexus. 
B)  They innervate only the intercostal muscles. 
C)  They are the ventral rami of T1-T11 spinal nerves and lie just inferior to ribs 1-11. 
D)  They consist of 9 pairs. 
A)  They are part of a nerve plexus. 
B)  They innervate only the intercostal muscles. 
C)  They are the ventral rami of T1-T11 spinal nerves and lie just inferior to ribs 1-11. 
D)  They consist of 9 pairs.

Question 4

All of the special senses, taste, smell, vision, hearing, and equilibrium, are part of the afferent division of the peripheral nervous system.

Accepted Answer

A) True 
 B)False

Question 5

An interoceptor receives information from receptors in the skin, such as temperature, pressure, and pain.

Accepted Answer

A) True 
 B)False

Question 6

The portion of the nervous system that does not include the brain and spinal cord is the ________ nervous system.

Accepted Answer

The answer of The portion of the nervous system that...

Question 7

The vagus nerve (CN X) is the only cranial nerve pair found inferior to the diaphragm.

Accepted Answer

A) True 
 B)False

Question 8

A person who cannot blink or smile could have damage to which cranial nerve?

Accepted Answer

A)  I 
B)  III 
C)  V 
D)  VII 
A)  I 
B)  III 
C)  V 
D)  VII

Question 9

A lesion/injury to the radial nerve causes

Accepted Answer

A)  footdrop, or an inability to dorsiflex the foot 
B)  claw hand, or flexion of the fingers due to lack of innervation of the interossei muscles. 
C)  an inability to flex the wrist. 
D)  wrist-drop, or an inability to extend the wrist. 
A)  footdrop, or an inability to dorsiflex the foot 
B)  claw hand, or flexion of the fingers due to lack of innervation of the interossei muscles. 
C)  an inability to flex the wrist. 
D)  wrist-drop, or an inability to extend the wrist.

Question 10

Spinal nerves are

Accepted Answer

A)  present in 31 pairs. 
B)  located exclusively in the vertebral canal. 
C)  present only in the thoracic region where plexuses are absent. 
D)  purely sensory nerves. 
A)  present in 31 pairs. 
B)  located exclusively in the vertebral canal. 
C)  present only in the thoracic region where plexuses are absent. 
D)  purely sensory nerves.

Question 11

These sensory receptors are found not only on your tongue and nose, but also internally so your body can respond to changes in blood chemistry.

Accepted Answer

The answer of These sensory receptors are found not only...

Question 12

Even though muscles and skin may move a long distance in development, they always keep their original nerve supply.

Accepted Answer

A) True 
 B)False

Question 13

Describe the ventral rami, the terminal branches and the pathway of the sciatic nerve.

Accepted Answer

The sciatic nerve is the largest branch

Question 14

A nerve plexus is formed by interconnected dorsal and ventral rami of spinal nerves.

Accepted Answer

A) True 
 B)False

Question 15

Name the three divisions of the trigeminal nerve and the foramina through which they run.

Accepted Answer

(1) The ophthalmic division runs from th

Question 16

This term refers to clusters of peripheral cell bodies outside the CNS.

Accepted Answer

The answer of This term refers to clusters of peripheral...

Question 17

Which cranial nerve pair is comprised of ventral rootlets from C1-C5?

Accepted Answer

A)  abducens 
B)  accessory 
C)  glossopharyngeal 
D)  hypoglossal 
A)  abducens 
B)  accessory 
C)  glossopharyngeal 
D)  hypoglossal

Question 18

Tactile corpuscles (Meissner's corpuscles)

Accepted Answer

A)  occur in hairy skin. 
B)  occur in dermal papillae. 
C)  are nociceptors. 
D)  are free unencapsulated dendritic endings. 
A)  occur in hairy skin. 
B)  occur in dermal papillae. 
C)  are nociceptors. 
D)  are free unencapsulated dendritic endings.

Question 19

Use the diagram above to answer the following questions.
-Which letter indicates a tactile corpuscle (Meissner's corpuscle) that is responsive to light pressure?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 20

The trigeminal nerve contains which class(es) of nerve fibers?

Accepted Answer

A)  somatic sensory only 
B)  somatic motor and general somatic sensory 
C)  somatic sensory, visceral sensory, and visceral motor 
D)  somatic motor only 
A)  somatic sensory only 
B)  somatic motor and general somatic sensory 
C)  somatic sensory, visceral sensory, and visceral motor 
D)  somatic motor only

Exam 14: The Peripheral Nervous System

Structures that pick up environmental changes from inside or outside of the body are called

What is the only cranial nerve that has fibers that enter and leave the skull through different foramina? (Hint: It enters through the foramen magnum and leaves through the jugular foramen.)

Which of these statements about intercostal nerves is true?

All of the special senses, taste, smell, vision, hearing, and equilibrium, are part of the afferent division of the peripheral nervous system.

An interoceptor receives information from receptors in the skin, such as temperature, pressure, and pain.

The portion of the nervous system that does not include the brain and spinal cord is the ________ nervous system.

The vagus nerve (CN X) is the only cranial nerve pair found inferior to the diaphragm.

A person who cannot blink or smile could have damage to which cranial nerve?

A lesion/injury to the radial nerve causes

Spinal nerves are

These sensory receptors are found not only on your tongue and nose, but also internally so your body can respond to changes in blood chemistry.

Even though muscles and skin may move a long distance in development, they always keep their original nerve supply.

Describe the ventral rami, the terminal branches and the pathway of the sciatic nerve.

A nerve plexus is formed by interconnected dorsal and ventral rami of spinal nerves.

Name the three divisions of the trigeminal nerve and the foramina through which they run.

This term refers to clusters of peripheral cell bodies outside the CNS.

Which cranial nerve pair is comprised of ventral rootlets from C1-C5?

Tactile corpuscles (Meissner's corpuscles)

Use the diagram above to answer the following questions. -Which letter indicates a tactile corpuscle (Meissner's corpuscle) that is responsive to light pressure?

The trigeminal nerve contains which class(es) of nerve fibers?

The Human Body: an Orientation

Cells: the Living Units

Basic Embryology

Tissues

The Integumentary System

Bones and Skeletal Tissues

Bones, Part 1: the Axial Skeleton

Bones, Part 2: the Appendicular Skeleton

Joints

Skeletal Muscle Tissue

Muscles of the Body

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Autonomic Nervous System and Visceral Sensory Neurons

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels

The Lymphatic and Immune Systems

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

Filters

Which cranial nerve pair is comprised of ventral rootlets from C₁-C₅?