Question 1

The sympathetic nervous system and parasympathetic nervous system are divisions of the:

Accepted Answer

A)  somatic motor division. 
B)  visceral sensory division. 
C)  visceral motor division (autonomic nervous system). 
D)  somatic sensory division. 
A)  somatic motor division. 
B)  visceral sensory division. 
C)  visceral motor division (autonomic nervous system). 
D)  somatic sensory division. C

Question 2

Upper motor neurons directly contact and stimulate skeletal muscle fibers to contract.

Accepted Answer

A) True 
 B)False  False

Question 3

Which plexus provides motor and sensory innervation to the upper limb?

Accepted Answer

A)  cranial plexus 
B)  sacral plexus 
C)  brachial plexus 
D)  lumbar plexus 
A)  cranial plexus 
B)  sacral plexus 
C)  brachial plexus 
D)  lumbar plexus C

Question 4

Motor neurons pools consist of:

Accepted Answer

A)  lower motor neurons. 
B)  secondary afferent neurons. 
C)  primary afferent neurons. 
D)  upper motor neurons. 
A)  lower motor neurons. 
B)  secondary afferent neurons. 
C)  primary afferent neurons. 
D)  upper motor neurons.

Question 5

Motor control is initiated by lower motor neurons and transmitted to upper motor neurons by interneurons situated within the CNS.

Accepted Answer

A) True 
 B)False

Question 6

The hypoglossal nerve (XII) and glossopharyngeal nerve (IX) are both involved in taste sensation.

Accepted Answer

A) True 
 B)False

Question 7

An inability to swallow indicates a problem with the:

Accepted Answer

A)  accessory nerve (XI) or hypoglossal nerve (XII). 
B)  trigeminal nerve (V) or glossopharyngeal nerve (IX). 
C)  trochlear nerve (IV) or abducens nerve (VI). 
D)  olfactory nerve (I). 
A)  accessory nerve (XI) or hypoglossal nerve (XII). 
B)  trigeminal nerve (V) or glossopharyngeal nerve (IX). 
C)  trochlear nerve (IV) or abducens nerve (VI). 
D)  olfactory nerve (I).

Question 8

Outline the steps to a simple stretch reflex.

Accepted Answer

The steps of a simple stretch reflex are

Question 9

Cranial nerves and spinal nerves are the two types of nerves found in the peripheral nervous system (PNS).

Accepted Answer

A) True 
 B)False

Question 10

The lumbar nerve plexuses arise from the anterior rami of L1 - L4 and innervate structures of the pelvis and lower limb.

Accepted Answer

A) True 
 B)False

Question 11

Receptive field maps show the regions of skin and the spinal nerve that supplies somatic sensation to them.

Accepted Answer

A) True 
 B)False

Question 12

What cranial nerves are involved in the sensory and the motor roles for the corneal blink reflex?

Accepted Answer

A)  trigeminal nerve (V) as sensory; facial nerve (VII) as motor 
B)  glossopharyngeal nerve (IX) as sensory, oculomotor nerve (III) as motor 
C)  trochlear nerve (IV) as sensory, abducens nerve (VI) as motor 
D)  optic nerve (II) as sensory, oculomotor nerve (III) as motor 
A)  trigeminal nerve (V) as sensory; facial nerve (VII) as motor 
B)  glossopharyngeal nerve (IX) as sensory, oculomotor nerve (III) as motor 
C)  trochlear nerve (IV) as sensory, abducens nerve (VI) as motor 
D)  optic nerve (II) as sensory, oculomotor nerve (III) as motor

Question 13

Which of the following does NOT characterize a reflex?

Accepted Answer

A)  Neural integration of a reflex usually occurs in the PNS. 
B)  The motor response to a stimulus is rapid. 
C)  A reflex is an automatic response to a stimulus. 
D)  Reflexes require a stimulus to initiate a motor response. 
A)  Neural integration of a reflex usually occurs in the PNS. 
B)  The motor response to a stimulus is rapid. 
C)  A reflex is an automatic response to a stimulus. 
D)  Reflexes require a stimulus to initiate a motor response.

Question 14

A patient sustained an injury to the lower motor neurons when a board fell on his back at a construction site. The upper motor neurons are intact and undamaged. Determine the effect, if any, on motor control.

Accepted Answer

The upper motor neurons stimulate the lo

Question 15

What part of the nervous system integrates and interprets information from PNS sensory neurons?

Accepted Answer

A)  sensory (afferent) division 
B)  central nervous system (CNS) 
C)  somatic nervous system (SNS) 
D)  visceral motor division, or autonomic nervous system (ANS) 
A)  sensory (afferent) division 
B)  central nervous system (CNS) 
C)  somatic nervous system (SNS) 
D)  visceral motor division, or autonomic nervous system (ANS)

Question 16

Match the following using the image of the plexuses.
  
-Brachial plexus

Accepted Answer

The answer of Match the following using the image of...

Question 17

Olfactory receptors depolarize in response to an odorant, turning a stimulus into an electrical signal. This conversion is known as:

Accepted Answer

A)  propagation. 
B)  adaptation. 
C)  repolarization. 
D)  sensory transduction. 
A)  propagation. 
B)  adaptation. 
C)  repolarization. 
D)  sensory transduction.

Question 18

Determine the polysynaptic reflex from this list of examples.

Accepted Answer

A)  patellar (knee -jerk) reflex 
B)  simple stretch reflex 
C)  jaw -jerk reflex 
D)  flexion (withdrawal) reflex 
A)  patellar (knee -jerk) reflex 
B)  simple stretch reflex 
C)  jaw -jerk reflex 
D)  flexion (withdrawal) reflex

Question 19

Ms. Carroll went to her doctor's office with pain in her right shoulder blade and learned she was having a gallbladder attack. You're not surprised to hear about the unusual location of her pain since it is known as:

Accepted Answer

A)  the receptive field. 
B)  referred pain. 
C)  phantom limb pain. 
D)  chronic pain. 
A)  the receptive field. 
B)  referred pain. 
C)  phantom limb pain. 
D)  chronic pain.

Question 20

Which of the following houses motor neurons?

Accepted Answer

A)  anterior root of spinal nerve 
B)  central canal of the spinal cord 
C)  posterior root ganglion 
D)  posterior root of spinal nerve 
A)  anterior root of spinal nerve 
B)  central canal of the spinal cord 
C)  posterior root ganglion 
D)  posterior root of spinal nerve

Exam 13: The Peripheral Nervous System

The sympathetic nervous system and parasympathetic nervous system are divisions of the:

Upper motor neurons directly contact and stimulate skeletal muscle fibers to contract.

Which plexus provides motor and sensory innervation to the upper limb?

Motor neurons pools consist of:

Motor control is initiated by lower motor neurons and transmitted to upper motor neurons by interneurons situated within the CNS.

The hypoglossal nerve (XII) and glossopharyngeal nerve (IX) are both involved in taste sensation.

An inability to swallow indicates a problem with the:

Outline the steps to a simple stretch reflex.

Cranial nerves and spinal nerves are the two types of nerves found in the peripheral nervous system (PNS).

The lumbar nerve plexuses arise from the anterior rami of L1 - L4 and innervate structures of the pelvis and lower limb.

Receptive field maps show the regions of skin and the spinal nerve that supplies somatic sensation to them.

What cranial nerves are involved in the sensory and the motor roles for the corneal blink reflex?

Which of the following does NOT characterize a reflex?

A patient sustained an injury to the lower motor neurons when a board fell on his back at a construction site. The upper motor neurons are intact and undamaged. Determine the effect, if any, on motor control.

What part of the nervous system integrates and interprets information from PNS sensory neurons?

Match the following using the image of the plexuses. -Brachial plexus

Olfactory receptors depolarize in response to an odorant, turning a stimulus into an electrical signal. This conversion is known as:

Determine the polysynaptic reflex from this list of examples.

Ms. Carroll went to her doctor's office with pain in her right shoulder blade and learned she was having a gallbladder attack. You're not surprised to hear about the unusual location of her pain since it is known as:

Which of the following houses motor neurons?

Introduction to Anatomy Physiology

The Chemistry of Life

The Cell

Histology

The Integumentary System

Bones and Bone Tissue

The Skeletal System

Articulations

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Muscle Tissue Physiology

Introduction to the Nervous System Nervous Tissue

The Central Nervous System

The Autonomic Nervous System Homeostasis

The Special Senses

The Endocrine System

The Cardiovascular System I: the Heart

The Cardiovascular System Ii: Blood Vessels

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The lumbar nerve plexuses arise from the anterior rami of L₁^-L₄and innervate structures of the pelvis and lower limb.