Question 1

Which part of the brain filters sensory information and forwards only a fraction of it to the cerebral cortex?

Accepted Answer

A) Hypothalamus 
B) Epithalamus 
C) Thalamus 
D) Pineal body 
E) Pons 
A) Hypothalamus 
B) Epithalamus 
C) Thalamus 
D) Pineal body 
E) Pons C

Question 2

List these events in the correct order for CSF flow in the CNS. 
A: CSF flows into the arachnoid villi
B: CSF enters the blood
C: CSF flows through the cerebral aqueduct to the fourth ventricle
D: CSF flows into the subarachnoid space
E: CSF is produced by the choroid plexus

Accepted Answer

A) a,b,c,e,d 
B) e,a,b,c,d 
C) c,d,a,e,b 
D) e,c,d,a,b 
E) e,d,a,b,c 
A) a,b,c,e,d 
B) e,a,b,c,d 
C) c,d,a,e,b 
D) e,c,d,a,b 
E) e,d,a,b,c D

Question 3

The cranial nerve that innervates smooth muscle and glands of the heart,lungs,larynx,trachea,and most abdominal organs is the ___________ nerve.

Accepted Answer

A) facial 
B) trigeminal 
C) vagus 
D) accessory 
E) hypoglossal 
A) facial 
B) trigeminal 
C) vagus 
D) accessory 
E) hypoglossal C

Question 4

Bell palsy is a condition characterized by the paralysis of facial muscles,eyelid droop,and sagging at the corners of the mouth.What nerve is affected in this condition?

Accepted Answer

A) Olfactory 
B) Trigeminal 
C) Facial 
D) Accessory 
E) Hypoglossal 
A) Olfactory 
B) Trigeminal 
C) Facial 
D) Accessory 
E) Hypoglossal

Question 5

Hemisphere lateralization refers to the

Accepted Answer

A) difficulty in assigning a precise function to a specific region of the cortex. 
B) generalization that both cerebral hemispheres receive their sensory information from and project motor commands to the opposite side of the body. 
C) separation of the various lobes of the brain from each other. 
D) crisscrossing of information between the two hemispheres. 
E) functional differences between the right and left hemispheres. 
A) difficulty in assigning a precise function to a specific region of the cortex. 
B) generalization that both cerebral hemispheres receive their sensory information from and project motor commands to the opposite side of the body. 
C) separation of the various lobes of the brain from each other. 
D) crisscrossing of information between the two hemispheres. 
E) functional differences between the right and left hemispheres.

Question 6

Paired,irregular masses of gray matter buried deep within the central white matter in the basal region of the cerebral hemispheres,inferior to the floor of the lateral ventricle,are the

Accepted Answer

A) cerebral nuclei. 
B) corpus callosi. 
C) inferior colliculi. 
D) interthalamic adhesions. 
E) ventricular connections. 
A) cerebral nuclei. 
B) corpus callosi. 
C) inferior colliculi. 
D) interthalamic adhesions. 
E) ventricular connections.

Question 7

The primary gustatory cortex is part of the

Accepted Answer

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

Question 8

This portion of the brain forms part of the roof of the diencephalon and covers the third ventricle.Its posterior portion houses the pineal gland and the habenular nuclei.

Accepted Answer

A) Epithalamus 
B) Thalamus 
C) Hypothalamus 
D) Cerebellum 
E) Infundibulum 
A) Epithalamus 
B) Thalamus 
C) Hypothalamus 
D) Cerebellum 
E) Infundibulum

Question 9

Human intelligence is most closely related to the

Accepted Answer

A) size of the brain. 
B) weight of the brain. 
C) number of neurons. 
D) number of active synapses. 
E) amount of cerebrospinal fluid. 
A) size of the brain. 
B) weight of the brain. 
C) number of neurons. 
D) number of active synapses. 
E) amount of cerebrospinal fluid.

Question 10

The amount of CSF within the brain at any given moment

Accepted Answer

A) is about 500 ml. 
B) is somewhere around 1,000 ml. 
C) ranges between 100 ml and 160 ml. 
D) is about 50-60 ml. 
E) ranges between 300 ml and 420 ml. 
A) is about 500 ml. 
B) is somewhere around 1,000 ml. 
C) ranges between 100 ml and 160 ml. 
D) is about 50-60 ml. 
E) ranges between 300 ml and 420 ml.

Question 11

A person with damage to the premotor cortex area concerned with coordinating eye movements

Accepted Answer

A) can read but cannot understand the words. 
B) cannot read or understand the words. 
C) can understand the words but cannot follow the lines on the page. 
D) cannot form proper images of words. 
E) cannot discriminate between letters and words. 
A) can read but cannot understand the words. 
B) cannot read or understand the words. 
C) can understand the words but cannot follow the lines on the page. 
D) cannot form proper images of words. 
E) cannot discriminate between letters and words.

Question 12

The primary somatosensory cortex is part of the

Accepted Answer

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

Question 13

Which cranial nerve is composed of only motor fibers?

Accepted Answer

A) VI 
B) VIII 
C) IX 
D) V 
E) I 
A) VI 
B) VIII 
C) IX 
D) V 
E) I

Question 14

This portion of the brain secretes the hormone melatonin,which helps to regulate the body's circadian rhythm.

Accepted Answer

A) Habenular nucleus 
B) Anterior nucleus 
C) Pineal gland 
D) Mammillary body 
E) Paraventricular nucleus 
A) Habenular nucleus 
B) Anterior nucleus 
C) Pineal gland 
D) Mammillary body 
E) Paraventricular nucleus

Question 15

A patient visits her doctor and explains that since being hit on the cheek with a hockey puck she has been suffering from dry eyes and a dry mouth.It's apparent to the doctor that,since both lacrimal secretion and salivary secretion are affected,there may be damage to the ____________ nerve.

Accepted Answer

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

Question 16

Arrange the five secondary vesicles in the correct anterior to posterior order. 
A: Diencephalon
B: Myelencephalon
C: Telencephalon
D: Metencephalon
E: Mesencephalon

Accepted Answer

A) b,a,c,d,e 
B) a,b,c,d,e 
C) b,c,a,e,d 
D) c,d,e,a,b 
E) c,a,e,d,b 
A) b,a,c,d,e 
B) a,b,c,d,e 
C) b,c,a,e,d 
D) c,d,e,a,b 
E) c,a,e,d,b

Question 17

The blood-brain barrier is made up of

Accepted Answer

A) microglial extensions and capillary endothelial cells. 
B) ependymal cells and venous blood vessels. 
C) astrocyte perivascular feet and capillary endothelial cells. 
D) astrocyte extensions and dural sinuses. 
E) astrocyte perivascular feet and the falx cerebri. 
A) microglial extensions and capillary endothelial cells. 
B) ependymal cells and venous blood vessels. 
C) astrocyte perivascular feet and capillary endothelial cells. 
D) astrocyte extensions and dural sinuses. 
E) astrocyte perivascular feet and the falx cerebri.

Question 18

Most of the gyri and sulci of the human brain develop very early in the fetal period.

Accepted Answer

A) True 
 B)False

Question 19

Cerebrospinal fluid is identical to blood plasma.

Accepted Answer

A) True 
 B)False

Question 20

This nucleus both excites and inhibits the activities of the thalamus to control and adjust muscle tone.

Accepted Answer

A) Amygdaloid body 
B) Caudate nucleus 
C) Putamen 
D) Globus pallidus 
E) Claustrum 
A) Amygdaloid body 
B) Caudate nucleus 
C) Putamen 
D) Globus pallidus 
E) Claustrum

Exam 15: Brain and Cranial Nerves

Which part of the brain filters sensory information and forwards only a fraction of it to the cerebral cortex?

List these events in the correct order for CSF flow in the CNS. A: CSF flows into the arachnoid villi B: CSF enters the blood C: CSF flows through the cerebral aqueduct to the fourth ventricle D: CSF flows into the subarachnoid space E: CSF is produced by the choroid plexus

The cranial nerve that innervates smooth muscle and glands of the heart,lungs,larynx,trachea,and most abdominal organs is the ___________ nerve.

Bell palsy is a condition characterized by the paralysis of facial muscles,eyelid droop,and sagging at the corners of the mouth.What nerve is affected in this condition?

Hemisphere lateralization refers to the

Paired,irregular masses of gray matter buried deep within the central white matter in the basal region of the cerebral hemispheres,inferior to the floor of the lateral ventricle,are the

The primary gustatory cortex is part of the

This portion of the brain forms part of the roof of the diencephalon and covers the third ventricle.Its posterior portion houses the pineal gland and the habenular nuclei.

Human intelligence is most closely related to the

The amount of CSF within the brain at any given moment

A person with damage to the premotor cortex area concerned with coordinating eye movements

The primary somatosensory cortex is part of the

Which cranial nerve is composed of only motor fibers?

This portion of the brain secretes the hormone melatonin,which helps to regulate the body's circadian rhythm.

A patient visits her doctor and explains that since being hit on the cheek with a hockey puck she has been suffering from dry eyes and a dry mouth.It's apparent to the doctor that,since both lacrimal secretion and salivary secretion are affected,there may be damage to the ____________ nerve.

Arrange the five secondary vesicles in the correct anterior to posterior order. A: Diencephalon B: Myelencephalon C: Telencephalon D: Metencephalon E: Mesencephalon

The blood-brain barrier is made up of

Most of the gyri and sulci of the human brain develop very early in the fetal period.

Cerebrospinal fluid is identical to blood plasma.

This nucleus both excites and inhibits the activities of the thalamus to control and adjust muscle tone.

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

Spinal Cord and Spinal Nerves

Pathways and Integrative Functions

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