Question 1

Stimulation of the reticular formation results in

Accepted Answer

A) increased consciousness. 
B) sleep. 
C) coma. 
D) decreased cerebral function. 
E) All of the above. 
A) increased consciousness. 
B) sleep. 
C) coma. 
D) decreased cerebral function. 
E) All of the above.

Question 2

A fast-adapting mechanoreceptor in the papillary layer of the dermis that responds to fine touch is a

Accepted Answer

A) tactile (Merkel)disc. 
B) root hair plexus. 
C) free nerve ending. 
D) Ruffini corpuscle. 
E) tactile (Meissner)corpuscle. 
A) tactile (Merkel)disc. 
B) root hair plexus. 
C) free nerve ending. 
D) Ruffini corpuscle. 
E) tactile (Meissner)corpuscle.

Question 3

Cortical regions that interpret sensory information or coordinate motor responses are called ________ areas.

Accepted Answer

A) commissural 
B) sensory 
C) association 
D) somesthetic 
E) processing 
A) commissural 
B) sensory 
C) association 
D) somesthetic 
E) processing

Question 4

All of the following are true of a prickling pain sensation except that they

Accepted Answer

A) are carried by type A fibers. 
B) reach the CNS quickly. 
C) cannot be localized to a small area. 
D) receive conscious attention. 
E) often trigger somatic reflexes. 
A) are carried by type A fibers. 
B) reach the CNS quickly. 
C) cannot be localized to a small area. 
D) receive conscious attention. 
E) often trigger somatic reflexes.

Question 5

Give the functions of the superior colliculi and inferior colliculi.

Accepted Answer

A) The superior colliculi control the reflex movements of the eyes,head,and neck in response to visual stimuli.The inferior colliculi control the reflex movements of the head,neck,and trunk in response to auditory stimuli. 
B) The superior colliculi control the reflex movements of the head,neck,and trunk in response to auditory stimuli.The inferior colliculi control the reflex movements of the eyes,head,and neck in response to visual stimuli. 
C) The superior colliculi control the background muscle tone to the head,neck,and trunk.The inferior colliculi control the background muscle tone to the limbs. 
D) The superior colliculi provide subconscious control of upper limb position and background muscle tone.The inferior colliculi processes incoming sensations and outgoing motor commands automatically and helps maintain consciousness. 
E) The superior colliculi control the background muscle tone to the limbs.The inferior colliculi control the background muscle tone to the head,neck,and trunk. 
A) The superior colliculi control the reflex movements of the eyes,head,and neck in response to visual stimuli.The inferior colliculi control the reflex movements of the head,neck,and trunk in response to auditory stimuli. 
B) The superior colliculi control the reflex movements of the head,neck,and trunk in response to auditory stimuli.The inferior colliculi control the reflex movements of the eyes,head,and neck in response to visual stimuli. 
C) The superior colliculi control the background muscle tone to the head,neck,and trunk.The inferior colliculi control the background muscle tone to the limbs. 
D) The superior colliculi provide subconscious control of upper limb position and background muscle tone.The inferior colliculi processes incoming sensations and outgoing motor commands automatically and helps maintain consciousness. 
E) The superior colliculi control the background muscle tone to the limbs.The inferior colliculi control the background muscle tone to the head,neck,and trunk.

Question 6

The cerebellum

Accepted Answer

A) functions to maintain proper posture and equilibrium. 
B) receives input from the motor cortex and basal nuclei. 
C) compares intended movement to actual movement. 
D) if damaged,leads to uncoordinated and jerky movements. 
E) All the answers are correct. 
A) functions to maintain proper posture and equilibrium. 
B) receives input from the motor cortex and basal nuclei. 
C) compares intended movement to actual movement. 
D) if damaged,leads to uncoordinated and jerky movements. 
E) All the answers are correct.

Question 7

The basal nuclei

Accepted Answer

A) initiate conscious motor activity. 
B) activate spinal reflexes. 
C) adjust and refine learned motor activities. 
D) exert direct control over lower motor neurons. 
E) act as gatekeepers,filtering out unnecessary sensory input. 
A) initiate conscious motor activity. 
B) activate spinal reflexes. 
C) adjust and refine learned motor activities. 
D) exert direct control over lower motor neurons. 
E) act as gatekeepers,filtering out unnecessary sensory input.

Question 8

Which senses are affected by damage to the temporal lobes?

Accepted Answer

A) visual and auditory 
B) visual and olfactory 
C) auditory and olfactory 
D) visual and gustatory 
E) olfactory and gustatory 
A) visual and auditory 
B) visual and olfactory 
C) auditory and olfactory 
D) visual and gustatory 
E) olfactory and gustatory

Question 9

A tactile receptor composed of highly coiled dendrites that are surrounded by modified Schwann cells and a fibrous capsule is a

Accepted Answer

A) lamellar corpuscle. 
B) Ruffini corpuscle. 
C) tactile (Meissner)corpuscle. 
D) tactile (Merkel)disc. 
E) root hair plexus. 
A) lamellar corpuscle. 
B) Ruffini corpuscle. 
C) tactile (Meissner)corpuscle. 
D) tactile (Merkel)disc. 
E) root hair plexus.

Question 10

Difficulties in estimating temporal relationships between events may stem from damage to

Accepted Answer

A) the prefrontal cortex. 
B) the general interpretive area. 
C) Broca's area. 
D) Wernicke's area. 
E) the temporal lobe. 
A) the prefrontal cortex. 
B) the general interpretive area. 
C) Broca's area. 
D) Wernicke's area. 
E) the temporal lobe.

Question 11

Figure 13-1
-Identify the structure labeled "10."

Accepted Answer

A) arbor vitae 
B) central canal 
C) corpus callosum 
D) pons 
E) diencephalon 
A) arbor vitae 
B) central canal 
C) corpus callosum 
D) pons 
E) diencephalon

Question 12

While playing lacrosse,Frank took a blow to the back of his neck.This caused swelling of the posterior spinal cord at C7 and T1.What tract lies in this area? What signs might you expect Frank to show while the swelling persists?

Accepted Answer

The posterior spinocerebellar

Question 13

Figure 13-4
-Identify the origin of the axon labeled "2."

Accepted Answer

A) lower motor neuron 
B) upper motor neuron 
C) decussation neuron 
D) second-order neuron 
E) ganglionic neuron 
A) lower motor neuron 
B) upper motor neuron 
C) decussation neuron 
D) second-order neuron 
E) ganglionic neuron

Question 14

Damage to the somatic motor association area of the frontal lobe would interfere with the ability to

Accepted Answer

A) understand written words. 
B) understand spoken words. 
C) understand visual images. 
D) play the piano. 
E) sense the texture of velvet. 
A) understand written words. 
B) understand spoken words. 
C) understand visual images. 
D) play the piano. 
E) sense the texture of velvet.

Question 15

Which of the following is not found in the medulla oblongata?

Accepted Answer

A) reticular formation. 
B) respiratory rhythmicity centers. 
C) solitary nucleus. 
D) nuclei for CN V,VI,and VII. 
E) olivary nucleus. 
A) reticular formation. 
B) respiratory rhythmicity centers. 
C) solitary nucleus. 
D) nuclei for CN V,VI,and VII. 
E) olivary nucleus.

Question 16

The pyramids on the ventral surface of the medulla oblongata are formed by fibers of the ________ tracts.

Accepted Answer

A) corticospinal 
B) corticobulbar 
C) reticulospinal 
D) vestibulospinal 
E) tectospinal 
A) corticospinal 
B) corticobulbar 
C) reticulospinal 
D) vestibulospinal 
E) tectospinal

Question 17

Differentiate between a seizure and epilepsy.

Accepted Answer

A seizure is a temporary cerebral disord

Question 18

Each lateral ventricle communicates with the third ventricle through a(n)

Accepted Answer

A) septum pellucidum. 
B) cerebral aqueduct. 
C) aqueduct of midbrain. 
D) interventricular foramen. 
E) medulla oblongata. 
A) septum pellucidum. 
B) cerebral aqueduct. 
C) aqueduct of midbrain. 
D) interventricular foramen. 
E) medulla oblongata.

Question 19

The tracts that connect the cerebellum to the brainstem are located in the

Accepted Answer

A) medulla oblongata. 
B) pons. 
C) midbrain. 
D) diencephalon. 
E) thalamus. 
A) medulla oblongata. 
B) pons. 
C) midbrain. 
D) diencephalon. 
E) thalamus.

Question 20

The visual 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.

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

Stimulation of the reticular formation results in

A fast-adapting mechanoreceptor in the papillary layer of the dermis that responds to fine touch is a

Cortical regions that interpret sensory information or coordinate motor responses are called ________ areas.

All of the following are true of a prickling pain sensation except that they

Give the functions of the superior colliculi and inferior colliculi.

The cerebellum

The basal nuclei

Which senses are affected by damage to the temporal lobes?

A tactile receptor composed of highly coiled dendrites that are surrounded by modified Schwann cells and a fibrous capsule is a

Difficulties in estimating temporal relationships between events may stem from damage to

Figure 13-1 -Identify the structure labeled "10."

While playing lacrosse,Frank took a blow to the back of his neck.This caused swelling of the posterior spinal cord at C7 and T1.What tract lies in this area? What signs might you expect Frank to show while the swelling persists?

Figure 13-4 -Identify the origin of the axon labeled "2."

Damage to the somatic motor association area of the frontal lobe would interfere with the ability to

Which of the following is not found in the medulla oblongata?

The pyramids on the ventral surface of the medulla oblongata are formed by fibers of the ________ tracts.

Differentiate between a seizure and epilepsy.

Each lateral ventricle communicates with the third ventricle through a(n)

The tracts that connect the cerebellum to the brainstem are located in the

The visual cortex is located in the

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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