Question 1

Figure 14-2 Cranial Nerves
Use Figure 14-2 to answer the following questions:
-Identify the nerve labeled "1 1."

Accepted Answer

A) oculomotor 
B) trigeminal 
C) trochlear 
D) abducens 
E) optic

Question 2

In each ventricle is a blood vessel network called the ________ that produces cerebrospinal fluid.

Accepted Answer

A) choroid plexus 
B) jugular vein 
C) carotid artery 
D) vertebral artery 
E) pia mater

Question 3

Which of the following is/are true of the epithalamus?

Accepted Answer

A) contains the mammillary body 
B) forms the roof of the diencephalon 
C) processes sensory information and relays it to the cerebrum 
D) forms the cerebrum 
E) creates the lateral ventricles

Question 4

Jean needs to have a tooth in her mandible filled.Her dentist injects a local anesthetic to block pain afferents in one of her cranial nerves.What cranial nerve does the dentist numb?

Accepted Answer

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

Question 5

Commissural fibers

Accepted Answer

A) carry pain information to the correct brain structure. 
B) are divided by the longitudinal fissure. 
C) link the cerebral cortex to the diencephalon. 
D) interconnect areas of cerebral cortex. 
E) cross from one cerebral hemisphere to the other hemisphere.

Question 6

The thalamus is often called the "air traffic controller" of the brain because it

Accepted Answer

A) controls the autonomic functions of the body,such as the fight-or-flight response. 
B) determines what can enter the brain from the blood. 
C) controls reflexes. 
D) determines the routing of incoming sensory information to the correct cerebral cortex area. 
E) passes motor information on to the cerebellum.

Question 7

________ is a disorder affecting the ability to speak or read.

Accepted Answer

A) Aphasia 
B) Ataxia 
C) Apraxia 
D) Bell's palsy 
E) Dysphagia

Question 8

The presence of many large,highly-branched Purkinje cells in a sample of brain tissue indicates that it came from the

Accepted Answer

A) pons. 
B) medulla. 
C) cerebral cortex. 
D) cerebellar cortex. 
E) arbor vitae.

Question 9

The only sensation that is received directly by the cerebrum is

Accepted Answer

A) olfaction. 
B) gustation. 
C) hearing. 
D) vision. 
E) dizziness.

Question 10

Figure 14-1 The Circulation of Cerebrospinal Fluid
Use Figure 14-1 to answer the following questions:
-Identify the structure labeled "4."

Accepted Answer

A) cerebral aqueduct 
B) lateral ventricle 
C) lateral aperture 
D) 4ᵗʰ ventricle 
E) choroid plexus

Question 11

Figure 14-2 Cranial Nerves
Use Figure 14-2 to answer the following questions:
-What is the function of the nerve labeled "4"?

Accepted Answer

A) vision 
B) olfaction 
C) taste 
D) hearing and balance 
E) eye movement

Question 12

Figure 14-2 Cranial Nerves
Use Figure 14-2 to answer the following questions:
-Identify the nerve labeled "12."

Accepted Answer

A) trochlear 
B) trigeminal 
C) facial 
D) abducens 
E) vagus

Question 13

A reflex that is used to assess the sensory function of the trigeminal nerve is the ________ reflex.

Accepted Answer

A) corneal 
B) tympanic 
C) auditory 
D) vestibulo-ocular 
E) consensual

Question 14

________ is a condition resulting from an inflammation of a facial nerve.

Accepted Answer

A) Cerebral palsy 
B) Bell's palsy 
C) Addison's disease 
D) Gout 
E) Hydrocephalus

Question 15

During embryonic development,which of the following secondary brain vesicles will form the cerebrum?

Accepted Answer

A) telencephalon 
B) diencephalon 
C) mesencephalon 
D) metencephalon 
E) myelencephalon

Question 16

Which statement is true regarding cerebrospinal fluid?

Accepted Answer

A) CSF is identical in composition to blood plasma. 
B) CSF is made during fetal development and does not change through the lifetime of the person. 
C) There is about a liter of CSF within the brain and spinal cord. 
D) If CSF is not properly resorbed,the result would be hydrocephalus. 
E) CSF moves back into the blood supply by the process of osmosis.

Question 17

The mesencephalon contains the headquarters of the ________,a specialized component of the reticular formation that controls alertness and attention.

Accepted Answer

A) falx cerebri 
B) Wernicke's area 
C) general association area 
D) reticular activating system 
E) basal ganglia

Question 18

The reflex movement of the head toward a loud noise is directed by the mesencephalon.Which nuclei accomplish this?

Accepted Answer

A) substantia nigra 
B) red nuclei 
C) tectum 
D) superior colliculi 
E) inferior colliculi

Question 19

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

Accepted Answer

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

Question 20

The tectum of the mesencephalon contains the

Accepted Answer

A) substantia nigra. 
B) red nuclei. 
C) superior and inferior colliculi. 
D) cerebral peduncles. 
E) basal ganglia.

Exam 14: The Brain and Cranial Nerves

Figure 14-2 Cranial Nerves Use Figure 14-2 to answer the following questions: -Identify the nerve labeled "1 1."