Question 1

Which statement is NOT true of neurons?

Accepted Answer

A) Sensory neurons carry impulses to effectors. 
B) Interneurons are found only in the CNS. 
C) Motor neurons carry impulses away from the CNS. 
D) Nerve tracts are within the CNS. 
A) Sensory neurons carry impulses to effectors. 
B) Interneurons are found only in the CNS. 
C) Motor neurons carry impulses away from the CNS. 
D) Nerve tracts are within the CNS.

Question 2

The practical importance of stretch reflexes is to:

Accepted Answer

A) keep the body upright 
B) avoid objects seen approaching 
C) react to stress quickly 
D) prevent further injury to the body 
A) keep the body upright 
B) avoid objects seen approaching 
C) react to stress quickly 
D) prevent further injury to the body

Question 3

The lobes of the cerebrum that initiate voluntary movement are the:

Accepted Answer

A) frontal 
B) parietal 
C) temporal 
D) occipital 
A) frontal 
B) parietal 
C) temporal 
D) occipital

Question 4

The part of a reflex arc that carries impulses to the effector is the:

Accepted Answer

A) receptor 
B) CNS 
C) sensory neuron 
D) motor neuron 
A) receptor 
B) CNS 
C) sensory neuron 
D) motor neuron

Question 5

The cranial nerve pair that is sensory for hearing is the:

Accepted Answer

A) trigeminal 
B) acoustic 
C) abducens 
D) accessory 
A) trigeminal 
B) acoustic 
C) abducens 
D) accessory

Question 6

Cerebrospinal fluid circulates,then is reabsorbed into the:

Accepted Answer

A) tissue fluid in the brain 
B) blood returning to the brain 
C) tissue fluid in the cranial venous sinuses 
D) blood in the cranial venous sinuses 
A) tissue fluid in the brain 
B) blood returning to the brain 
C) tissue fluid in the cranial venous sinuses 
D) blood in the cranial venous sinuses

Question 7

The type of neuroglia that forms the myelin sheath is the:

Accepted Answer

A) astrocytes 
B) oligodendrocytes 
C) Schwann cells 
D) microglia 
A) astrocytes 
B) oligodendrocytes 
C) Schwann cells 
D) microglia

Question 8

The cranial nerve pair that is motor to the tongue is the:

Accepted Answer

A) glossopharyngeal 
B) hypoglossal 
C) facial 
D) trigeminal 
A) glossopharyngeal 
B) hypoglossal 
C) facial 
D) trigeminal

Question 9

Which peripheral nerve is NOT paired with its correct distribution?

Accepted Answer

A) intercostal - chest wall 
B) ulnar - lateral side of upper limb 
C) sciatic - posterior side of lower limb 
D) femoral - anterior side of lower limb 
A) intercostal - chest wall 
B) ulnar - lateral side of upper limb 
C) sciatic - posterior side of lower limb 
D) femoral - anterior side of lower limb

Question 10

These structures are part of a reflex arc:  
Which set of numbers is the proper sequence of the pathway of impulses?

Accepted Answer

A) 4,3,2,1,5 
B) 4,1,3,2,5 
C) 1,4,3,5,2 
D) 1,4,2,5,3 
A) 4,3,2,1,5 
B) 4,1,3,2,5 
C) 1,4,3,5,2 
D) 1,4,2,5,3

Question 11

The part of a reflex arc that carries impulses to the CNS is the:

Accepted Answer

A) receptor 
B) effector 
C) motor neuron 
D) sensory neuron 
A) receptor 
B) effector 
C) motor neuron 
D) sensory neuron

Question 12

The tracts of the spinal cord that carry impulses to the brain are the:

Accepted Answer

A) ascending,or motor tracts 
B) descending,or motor tracts 
C) ascending,or sensory tracts 
D) descending,or sensory tracts 
A) ascending,or motor tracts 
B) descending,or motor tracts 
C) ascending,or sensory tracts 
D) descending,or sensory tracts

Question 13

Which of these is NOT a sympathetic response of the autonomic nervous system?

Accepted Answer

A) The pupils dilate. 
B) The bronchioles constrict. 
C) The sweat glands increase secretion. 
D) Secretion of saliva decreases. 
A) The pupils dilate. 
B) The bronchioles constrict. 
C) The sweat glands increase secretion. 
D) Secretion of saliva decreases.

Question 14

Which of the following pairs is incorrect?

Accepted Answer

A) ventral root of spinal nerve - motor neurons 
B) dorsal root of spinal nerve - sensory neurons 
C) white matter of spinal cord - axons and dendrites of interneurons 
D) gray matter of spinal cord - cell bodies of sensory neurons 
A) ventral root of spinal nerve - motor neurons 
B) dorsal root of spinal nerve - sensory neurons 
C) white matter of spinal cord - axons and dendrites of interneurons 
D) gray matter of spinal cord - cell bodies of sensory neurons

Question 15

An action potential is _____,and includes _____.

Accepted Answer

A) chemical/polarization and depolarization 
B) electrical/polarization and depolarization 
C) chemical/depolarization and repolarization 
D) electrical/depolarization and repolarization 
A) chemical/polarization and depolarization 
B) electrical/polarization and depolarization 
C) chemical/depolarization and repolarization 
D) electrical/depolarization and repolarization

Question 16

Which statement is NOT true of the neuroglia?

Accepted Answer

A) The oligodendrocytes form the myelin sheath. 
B) Neuroglia is found only in the CNS. 
C) The astrocytes contribute to the blood-brain barrier. 
D) The microglia form small neurons. 
A) The oligodendrocytes form the myelin sheath. 
B) Neuroglia is found only in the CNS. 
C) The astrocytes contribute to the blood-brain barrier. 
D) The microglia form small neurons.

Question 17

The part of the brain that suppresses unimportant sensations is the:

Accepted Answer

A) hypothalamus 
B) cerebrum 
C) cerebellum 
D) thalamus 
A) hypothalamus 
B) cerebrum 
C) cerebellum 
D) thalamus

Question 18

An autonomic pathway from the CNS to an effector consists of:

Accepted Answer

A) a preganglionic neuron 
B) a postganglionic neuron 
C) both A and B 
D) both A and B,and a synapse in a ganglion 
A) a preganglionic neuron 
B) a postganglionic neuron 
C) both A and B 
D) both A and B,and a synapse in a ganglion

Question 19

The part of the brain that integrates the functioning of the autonomic nervous system is the:

Accepted Answer

A) medulla 
B) hypothalamus 
C) thalamus 
D) cerebrum 
A) medulla 
B) hypothalamus 
C) thalamus 
D) cerebrum

Question 20

A spinal nerve has:

Accepted Answer

A) two roots to the spinal cord 
B) both sensory and motor neurons 
C) both A and B 
D) both A and B,and some have interneurons 
A) two roots to the spinal cord 
B) both sensory and motor neurons 
C) both A and B 
D) both A and B,and some have interneurons

Exam 9:The Nervous System-Part C

Which statement is NOT true of neurons?

The practical importance of stretch reflexes is to:

The lobes of the cerebrum that initiate voluntary movement are the:

The part of a reflex arc that carries impulses to the effector is the:

The cranial nerve pair that is sensory for hearing is the:

Cerebrospinal fluid circulates,then is reabsorbed into the:

The type of neuroglia that forms the myelin sheath is the:

The cranial nerve pair that is motor to the tongue is the:

Which peripheral nerve is NOT paired with its correct distribution?

These structures are part of a reflex arc: Which set of numbers is the proper sequence of the pathway of impulses?

The part of a reflex arc that carries impulses to the CNS is the:

The tracts of the spinal cord that carry impulses to the brain are the:

Which of these is NOT a sympathetic response of the autonomic nervous system?

Which of the following pairs is incorrect?

An action potential is _____,and includes _____.

Which statement is NOT true of the neuroglia?

The part of the brain that suppresses unimportant sensations is the:

An autonomic pathway from the CNS to an effector consists of:

The part of the brain that integrates the functioning of the autonomic nervous system is the:

A spinal nerve has:

Organization and General Plan of the Body-Part A

Organization and General Plan of the Body-Part B

Organization and General Plan of the Body-Part C

Some Basic Chemistry-Part A

Some Basic Chemistry-Part B

Some Basic Chemistry-Part C

Cells-Part A

Cells-Part B

Cells-Part C

Tissues and Membranes-Part A

Tissues and Membranes-Part B

Tissues and Membranes-Part C

The Integumentary System-Part A

The Integumentary System-Part B

The Integumentary System-Part C

The Skeletal System-Part A

The Skeletal System-Part B

The Skeletal System-Part C

The Muscular System-Part A

The Muscular System-Part B

The Muscular System-Part C

The Nervous System-Part A

The Nervous System-Part B

The Senses-Part A

The Senses-Part B

The Senses-Part C

The Endocrine System-Part A

The Endocrine System-Part B

The Endocrine System-Part C

Blood-Part A

Blood-Part B

Blood-Part C

The Heart-Part A

The Heart-Part B

The Heart-Part C

The Vascular System-Part A

The Vascular System-Part B

The Vascular System-Part C

The Lymphatic System and Immunity-Part A

The Lymphatic System and Immunity-Part B

The Lymphatic System and Immunity-Part C

The Respiratory System-Part A

The Respiratory System-Part B

The Respiratory System-Part C

The Digestive System-Part A

The Digestive System-Part B

The Digestive System-Part C

Body Temperature and Metabolism-Part A

Body Temperature and Metabolism-Part B

Body Temperature and Metabolism-Part C

The Urinary System-Part A

The Urinary System-Part B

The Urinary System-Part C

Fluid–Electrolyte and Acid–Base Balance-Part A

Fluid–Electrolyte and Acid–Base Balance-Part B

Fluid–Electrolyte and Acid–Base Balance-Part C

The Reproductive Systems-Part A

The Reproductive Systems-Part B

The Reproductive Systems-Part C

An action potential is _,and includes _.