Question 1

Only conscious processing of information is involved in higher-order mental functions.

Accepted Answer

A) True 
 B)False  False

Question 2

The corticobulbar tracts originate from the ______ region of the motor homunculus within the primary cortex.

Accepted Answer

A) cardiac 
B) facial 
C) palmar 
D) genitalia 
E) respiratory 
A) cardiac 
B) facial 
C) palmar 
D) genitalia 
E) respiratory B

Question 3

In most people,the Wernicke area is located in the

Accepted Answer

A) categorical hemisphere. 
B) representational hemisphere. 
C) visual cortex. 
D) frontal lobe. 
E) medulla oblongata. 
A) categorical hemisphere. 
B) representational hemisphere. 
C) visual cortex. 
D) frontal lobe. 
E) medulla oblongata. A

Question 4

A tract is a

Accepted Answer

A) cluster of neuron cell bodies within the PNS. 
B) collection of neuron cell bodies located within the CNS. 
C) network of nerves. 
D) center that displays discrete anatomic boundaries. 
E) group of axons that travel together in the CNS. 
A) cluster of neuron cell bodies within the PNS. 
B) collection of neuron cell bodies located within the CNS. 
C) network of nerves. 
D) center that displays discrete anatomic boundaries. 
E) group of axons that travel together in the CNS.

Question 5

Brain growth is 95 percent complete by the age of

Accepted Answer

A) 6 months. 
B) 1 year. 
C) 2 years. 
D) 3 years. 
E) 5 years. 
A) 6 months. 
B) 1 year. 
C) 2 years. 
D) 3 years. 
E) 5 years.

Question 6

Complex unconscious motor patterns are controlled by neurons in various locations.The ones that control swinging the arms while walking are located in the

Accepted Answer

A) mesencephalon. 
B) cerebellum. 
C) hypothalamus. 
D) cerebral nuclei. 
E) medulla oblongata. 
A) mesencephalon. 
B) cerebellum. 
C) hypothalamus. 
D) cerebral nuclei. 
E) medulla oblongata.

Question 7

Motor pathways are ascending pathways in the brain and spinal cord that control the activities of skeletal muscle.

Accepted Answer

A) True 
 B)False

Question 8

By the time a person reaches puberty,axon myelination throughout both the CNS and PNS is complete.

Accepted Answer

A) True 
 B)False

Question 9

What is the termination point for the anterolateral pathway?

Accepted Answer

A) Cerebellum 
B) Gray commissure of spinal cord 
C) Posterior horn of spinal cord 
D) Thalamus 
E) Medulla oblongata 
A) Cerebellum 
B) Gray commissure of spinal cord 
C) Posterior horn of spinal cord 
D) Thalamus 
E) Medulla oblongata

Question 10

Sensory memory has unlimited capacity.

Accepted Answer

A) True 
 B)False

Question 11

All incoming impulses are sent to the brain for detailed processing.

Accepted Answer

A) True 
 B)False

Question 12

In order to assess voluntary movements,messages from proprioceptors in skeletal muscles and joints are forwarded to the

Accepted Answer

A) basal nuclei. 
B) primary cortex. 
C) brainstem. 
D) corpus callosum. 
E) cerebellum. 
A) basal nuclei. 
B) primary cortex. 
C) brainstem. 
D) corpus callosum. 
E) cerebellum.

Question 13

The effects of aging on the brain begin at about ________ of age.

Accepted Answer

A) 20 years 
B) 30 years 
C) 40 years 
D) 50 years 
E) 60 years 
A) 20 years 
B) 30 years 
C) 40 years 
D) 50 years 
E) 60 years

Question 14

Axons of the lower motor neurons of the anterior corticospinal tracts innervate

Accepted Answer

A) skeletal muscles that control skilled movements in the limbs. 
B) muscles of the lower digestive tract. 
C) muscles of the respiratory system. 
D) skeletal muscles of the upper back and neck. 
E) axial skeletal muscle. 
A) skeletal muscles that control skilled movements in the limbs. 
B) muscles of the lower digestive tract. 
C) muscles of the respiratory system. 
D) skeletal muscles of the upper back and neck. 
E) axial skeletal muscle.

Question 15

Which pathways are somatotopically organized? 
A: Posterior funiculus-medial lemniscal pathway
B: Anterolateral pathway
C: Spinocerebellar pathway

Accepted Answer

A) a and b 
B) a,b,and c 
C) b and c 
D) a and c 
E) a only 
A) a and b 
B) a,b,and c 
C) b and c 
D) a and c 
E) a only

Question 16

Which pathways conduct information about limb position and the sensations of touch,temperature,pressure,and pain?

Accepted Answer

A) Sensory pathways 
B) Motor pathways 
C) Descending pathways 
D) Visceral pathways 
E) Both sensory and motor pathways 
A) Sensory pathways 
B) Motor pathways 
C) Descending pathways 
D) Visceral pathways 
E) Both sensory and motor pathways

Question 17

An ascending pathway carries

Accepted Answer

A) sensory information from the body to the brain. 
B) motor information from the body to the brain. 
C) sensory information from the brain to the body. 
D) motor information from the brain to muscles and glands. 
E) both motor and sensory information from the body to the brain. 
A) sensory information from the body to the brain. 
B) motor information from the body to the brain. 
C) sensory information from the brain to the body. 
D) motor information from the brain to muscles and glands. 
E) both motor and sensory information from the body to the brain.

Question 18

The inability to perform coordinated body movements is called

Accepted Answer

A) aprosody. 
B) agnosia. 
C) precognition. 
D) ataxia. 
E) hemiballismus. 
A) aprosody. 
B) agnosia. 
C) precognition. 
D) ataxia. 
E) hemiballismus.

Question 19

Error-correcting signals are sent from the cerebellum through the ___________ and the brainstem to the premotor and primary motor cortices.

Accepted Answer

A) thalamus 
B) hypothalamus 
C) pituitary 
D) pineal body 
E) pons 
A) thalamus 
B) hypothalamus 
C) pituitary 
D) pineal body 
E) pons

Question 20

Over 90 percent of nervous system pathways decussate.What does "decussate" mean?

Accepted Answer

A) Branch extensively 
B) Carry information to and from the same effector 
C) Cross from one side of the body to the other 
D) Switch from carrying motor information to carrying sensory information 
E) None of the choices is correct. 
A) Branch extensively 
B) Carry information to and from the same effector 
C) Cross from one side of the body to the other 
D) Switch from carrying motor information to carrying sensory information 
E) None of the choices is correct.

Exam 17: Pathways and Integrative Functions

Only conscious processing of information is involved in higher-order mental functions.

The corticobulbar tracts originate from the ______ region of the motor homunculus within the primary cortex.

In most people,the Wernicke area is located in the

A tract is a

Brain growth is 95 percent complete by the age of

Complex unconscious motor patterns are controlled by neurons in various locations.The ones that control swinging the arms while walking are located in the

Motor pathways are ascending pathways in the brain and spinal cord that control the activities of skeletal muscle.

By the time a person reaches puberty,axon myelination throughout both the CNS and PNS is complete.

What is the termination point for the anterolateral pathway?

Sensory memory has unlimited capacity.

All incoming impulses are sent to the brain for detailed processing.

In order to assess voluntary movements,messages from proprioceptors in skeletal muscles and joints are forwarded to the

The effects of aging on the brain begin at about ________ of age.

Axons of the lower motor neurons of the anterior corticospinal tracts innervate

Which pathways are somatotopically organized? A: Posterior funiculus-medial lemniscal pathway B: Anterolateral pathway C: Spinocerebellar pathway

Which pathways conduct information about limb position and the sensations of touch,temperature,pressure,and pain?

An ascending pathway carries

The inability to perform coordinated body movements is called

Error-correcting signals are sent from the cerebellum through the ___________ and the brainstem to the premotor and primary motor cortices.

Over 90 percent of nervous system pathways decussate.What does "decussate" mean?

A First Look at Anatomy

The Celt Basic Unit of Structure and Function

Embryology

Tissue Level of Organization

Integumentary System

Cartilage and Bone

Axial Skeleton

Appendicular Skeleton

Articulations

Muscle Tissue and Organization

Axial Muscles

Appendicular Muscles

Surface Anatomy

Nervous Tissue

Brain and Cranial Nerves

Spinal Cord and Spinal Nerves

Autonomic Nervous System

Senses: General and Special

Endocrine System

Blood

Heart

Vessels and Circulation

Lymphatic System

Respiratory System

Digestive System

Urinary System

Reproductive System

Filters