Question 1

The auditory cortex is located in the

Accepted Answer

A) frontal lobe. 
B) parietal lobe. 
C) temporal lobe. 
D) occipital lobe. 
E) insula. 
A) frontal lobe. 
B) parietal lobe. 
C) temporal lobe. 
D) occipital lobe. 
E) insula. C

Question 2

Two large venous sinuses,the sagittal sinuses,lie within a dural fold called the

Accepted Answer

A) tentorium cerebelli. 
B) falx cerebelli. 
C) lateral aperture. 
D) falx cerebri. 
E) arachnoid granulations. 
A) tentorium cerebelli. 
B) falx cerebelli. 
C) lateral aperture. 
D) falx cerebri. 
E) arachnoid granulations. D

Question 3

What part of the midbrain influences the activity of the entire nervous system?

Accepted Answer

A) cerebral peduncles 
B) substantia nigra 
C) superior colliculi and inferior colliculi 
D) red nuclei 
E) reticular activating system (RAS),a part of the reticular formation 
A) cerebral peduncles 
B) substantia nigra 
C) superior colliculi and inferior colliculi 
D) red nuclei 
E) reticular activating system (RAS),a part of the reticular formation E

Question 4

The CNS interprets the ________ of stimulus entirely on the basis of the labeled line over which it arrives.

Accepted Answer

A) duration 
B) intensity 
C) location 
D) type 
E) adaptation 
A) duration 
B) intensity 
C) location 
D) type 
E) adaptation

Question 5

Which of the following is not one of the main divisions of the adult brain?

Accepted Answer

A) cerebrum 
B) diencephalon 
C) prosencephalon 
D) midbrain 
E) pons 
A) cerebrum 
B) diencephalon 
C) prosencephalon 
D) midbrain 
E) pons

Question 6

Which part(s)of the following statement is/are true? 
Somatic sensory axons enter the ventral root and usually decussate before ascending to the thalamus.

Accepted Answer

A) The first part of the statement is true,and the second part of the statement is false. 
B) The first part of the statement is false,and the second part of the statement is true. 
C) Both parts of the statements are true. 
D) Both parts of the statements are false. 
A) The first part of the statement is true,and the second part of the statement is false. 
B) The first part of the statement is false,and the second part of the statement is true. 
C) Both parts of the statements are true. 
D) Both parts of the statements are false.

Question 7

Figure 13-1
-Identify the structure labeled "3."

Accepted Answer

A) arbor vitae 
B) corpora quadrigemina 
C) cerebral aqueduct 
D) pons 
E) diencephalon 
A) arbor vitae 
B) corpora quadrigemina 
C) cerebral aqueduct 
D) pons 
E) diencephalon

Question 8

Increased production and release of acetylcholine by the neurons of the cerebral nuclei would result in

Accepted Answer

A) flaccid paralysis. 
B) spastic,uncontrolled muscle contractions. 
C) decreased activity of upper motor neurons. 
D) fewer action potentials along the corticospinal tracts. 
E) muscular atrophy. 
A) flaccid paralysis. 
B) spastic,uncontrolled muscle contractions. 
C) decreased activity of upper motor neurons. 
D) fewer action potentials along the corticospinal tracts. 
E) muscular atrophy.

Question 9

Which receptor(s)always send(s)a signal,but the rate of action potentials changes as a result of stimulation?

Accepted Answer

A) phasic 
B) tonic 
C) both phasic and tonic 
A) phasic 
B) tonic 
C) both phasic and tonic

Question 10

The cerebellar hemispheres are separated by a worm-shaped band of cortex called the

Accepted Answer

A) cerebellar peduncles. 
B) arbor vitae. 
C) folia. 
D) vermis. 
E) pyramid. 
A) cerebellar peduncles. 
B) arbor vitae. 
C) folia. 
D) vermis. 
E) pyramid.

Question 11

Only about ________ percent of sensory information reaches the cerebral cortex and our awareness.

Accepted Answer

A) 1 
B) 10 
C) 25 
D) 50 
E) 95 
A) 1 
B) 10 
C) 25 
D) 50 
E) 95

Question 12

What effect would damage to the left postcentral gyrus produce?

Accepted Answer

A) Damage to the left postcentral gyrus would interfere with sensory information awareness from the right side of the body. 
B) Damage to the left postcentral gyrus would interfere with sensory information awareness from the left side of the body. 
C) Damage to the left postcentral gyrus would interfere with voluntary movement of the right side of the body. 
D) Damage to the left postcentral gyrus would interfere with voluntary movement of the left side of the body. 
E) Damage to the left postcentral gyrus would interfere with both sensory information awareness and voluntary movement of the left side of the body. 
A) Damage to the left postcentral gyrus would interfere with sensory information awareness from the right side of the body. 
B) Damage to the left postcentral gyrus would interfere with sensory information awareness from the left side of the body. 
C) Damage to the left postcentral gyrus would interfere with voluntary movement of the right side of the body. 
D) Damage to the left postcentral gyrus would interfere with voluntary movement of the left side of the body. 
E) Damage to the left postcentral gyrus would interfere with both sensory information awareness and voluntary movement of the left side of the body.

Question 13

Damage to the tectospinal tracts would interfere with one's ability to

Accepted Answer

A) position the arms. 
B) monitor body position. 
C) make reflex responses of the head and neck in response to sudden movements or loud noises. 
D) control motor units located in the leg. 
E) coordinate eating and swallowing movements. 
A) position the arms. 
B) monitor body position. 
C) make reflex responses of the head and neck in response to sudden movements or loud noises. 
D) control motor units located in the leg. 
E) coordinate eating and swallowing movements.

Question 14

The anterior nuclei of the thalamus

Accepted Answer

A) are part of the limbic system. 
B) secrete pituitary hormones. 
C) secrete melatonin. 
D) receive axon collaterals from the optic nerve. 
E) control feeding reflexes like licking and swallowing. 
A) are part of the limbic system. 
B) secrete pituitary hormones. 
C) secrete melatonin. 
D) receive axon collaterals from the optic nerve. 
E) control feeding reflexes like licking and swallowing.

Question 15

Damage to the substantia nigra causes a decrease in the neurotransmitter dopamine.This causes a gradual,generalized increase in muscle tone,which is the main symptom of

Accepted Answer

A) Parkinson's disease. 
B) rabies. 
C) Alzheimer's disease. 
D) myasthenia gravis. 
E) tetanus. 
A) Parkinson's disease. 
B) rabies. 
C) Alzheimer's disease. 
D) myasthenia gravis. 
E) tetanus.

Question 16

The area of the brain that performs spatial visualization and analyzing is the

Accepted Answer

A) left cerebellar hemisphere. 
B) left cerebral hemisphere. 
C) right cerebellar hemisphere. 
D) right cerebral hemisphere. 
E) thalamus. 
A) left cerebellar hemisphere. 
B) left cerebral hemisphere. 
C) right cerebellar hemisphere. 
D) right cerebral hemisphere. 
E) thalamus.

Question 17

Damage to the lateral geniculate bodies of the thalamus would interfere with what particular function?

Accepted Answer

A) Damage would interfere with the flow of somatic sensations and thus affect the sense of touch. 
B) Damage would interfere with the flow of auditory information and thus affect the sense of hearing. 
C) Damage would interfere with the flow of visual information and thus affect the sense of sight. 
D) Damage would interfere with the limbic system and thus affect emotional processing. 
E) Damage would interfere with the release of melatonin and thus affect circadian rhythms. 
A) Damage would interfere with the flow of somatic sensations and thus affect the sense of touch. 
B) Damage would interfere with the flow of auditory information and thus affect the sense of hearing. 
C) Damage would interfere with the flow of visual information and thus affect the sense of sight. 
D) Damage would interfere with the limbic system and thus affect emotional processing. 
E) Damage would interfere with the release of melatonin and thus affect circadian rhythms.

Question 18

The choroid plexuses produces CSF at a rate of about

Accepted Answer

A) 500 mL/day. 
B) 250 mL/day. 
C) 50 mL/day. 
D) 1000 mL/day. 
E) 150 mL/day. 
A) 500 mL/day. 
B) 250 mL/day. 
C) 50 mL/day. 
D) 1000 mL/day. 
E) 150 mL/day.

Question 19

A person with a damaged visual association area may be

Accepted Answer

A) unable to see rows of letters. 
B) declared legally blind. 
C) unable to recognize letters but able to identify whole words and their meanings. 
D) able to see letters but unable to associate them into words. 
E) unable to understand spoken words. 
A) unable to see rows of letters. 
B) declared legally blind. 
C) unable to recognize letters but able to identify whole words and their meanings. 
D) able to see letters but unable to associate them into words. 
E) unable to understand spoken words.

Question 20

What special names are given to axons in the white matter of the cerebral hemispheres?

Accepted Answer

A) nuclei 
B) nerves 
C) ganglia 
D) tracts 
E) association fibers,commissural fibers,and projection fibers 
A) nuclei 
B) nerves 
C) ganglia 
D) tracts 
E) association fibers,commissural fibers,and projection fibers

Exam 13: The Brain, cranial Nerves, and Sensory and Motor Pathways

The auditory cortex is located in the

Two large venous sinuses,the sagittal sinuses,lie within a dural fold called the

What part of the midbrain influences the activity of the entire nervous system?

The CNS interprets the ________ of stimulus entirely on the basis of the labeled line over which it arrives.

Which of the following is not one of the main divisions of the adult brain?

Which part(s)of the following statement is/are true? Somatic sensory axons enter the ventral root and usually decussate before ascending to the thalamus.

Figure 13-1 -Identify the structure labeled "3."

Increased production and release of acetylcholine by the neurons of the cerebral nuclei would result in

Which receptor(s)always send(s)a signal,but the rate of action potentials changes as a result of stimulation?

The cerebellar hemispheres are separated by a worm-shaped band of cortex called the

Only about ________ percent of sensory information reaches the cerebral cortex and our awareness.

What effect would damage to the left postcentral gyrus produce?

Damage to the tectospinal tracts would interfere with one's ability to

The anterior nuclei of the thalamus

Damage to the substantia nigra causes a decrease in the neurotransmitter dopamine.This causes a gradual,generalized increase in muscle tone,which is the main symptom of

The area of the brain that performs spatial visualization and analyzing is the

Damage to the lateral geniculate bodies of the thalamus would interfere with what particular function?

The choroid plexuses produces CSF at a rate of about

A person with a damaged visual association area may be

What special names are given to axons in the white matter of the cerebral hemispheres?

An Introduction to Anatomy and Physiology

Chemical Level of Organization

Cellular Level of Organization

Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Skeleton

Joints

Skeletal Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Heart and Cardiovascular Function

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism, nutrition, and Energetics

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Development and Inheritance

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