Deck 13: The Brain and Cranial Nerves

Question 1

The cardiovascular reflexes are based in the

A) medulla oblongata.
B) mesencephalon.
C) cerebrum.
D) spinal cord.
E) cerebellum.

Answer 1

A

Question 2

Figure 13- 1 The Circulation of Cerebrospinal Fluid
Use Figure 13- 1 to answer the following questions:
Identify the structure labeled "10."

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

Answer 2

D

Question 3

The visual cortex is located in the

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

Answer 3

C

Question 4

Figure 13- 1 The Circulation of Cerebrospinal Fluid
Use Figure 13- 1 to answer the following questions:
The surface of the postcentral gyrus contains the cortex.

A) auditory
B) visual
C) primary sensory
D) primary motor
E) olfactory

Question 5

The auditory cortex is located in the

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

Question 6

The relay auditory information to the auditory cortex.

A) lateral geniculates
B) medial geniculates
C) paraventricular nuclei
D) supraoptic nuclei
E) pulvinar

Question 7

The optic tracts carry visual information from the retina to the

A) supraoptic nuclei.
B) pulvinar.
C) lateral geniculates.
D) medial geniculates.
E) paraventricular nuclei.

Question 8

The provides the principal link between the nervous and endocrine systems.

A) cerebellum
B) pons
C) cerebrum
D) medulla oblongata
E) hypothalamus

Question 9

Damage to the pyramidal cells of the cerebral cortex would directly affect

A) sight.
B) voluntary motor activity.
C) hearing.
D) perception of pain.
E) both A and C

Question 10

An) is a printed record of the brain's electrical activity over a period of time.

A) CT scan
B) electrocardiogram
C) x- ray
D) MRI
E) electroencephalogram

Question 11

Stimulation of the reticular formation results in

A) coma.
B) increased consciousness.
C) decreased cerebral function.
D) sleep.
E) B, C, and D

Question 12

Which of the following is a function of the hypothalamus?

A) secretes oxytocin
B) regulates body temperature
C) controls autonomic centers
D) produces ADH
E) all of the above

Question 13

Bob is struck on the left side of the head and is knocked unconscious. When he recovers consciousness, he can hear individual words but cannot understand the meaning of phrases or sentences. This implies damage to his

A) vestibulocochlear nerve.
B) temporal lobe.
C) speech center.
D) general interpretive area.
E) prefrontal lobe.

Question 14

Autonomic centers that control blood pressure, heart rate, and digestion are located in the

A) mesencephalon.
B) diencephalon.
C) pons.
D) cerebellum.
E) medulla oblongata.

Question 15

Cerebrospinal fluid enters the blood circulation at the

A) superior sagittal sinus.
B) dural drain.
C) tentorium cerebelli.
D) frontal sinus.
E) jugular veins.

Question 16

Figure 13- 1 The Circulation of Cerebrospinal Fluid
Use Figure 13- 1 to answer the following questions:
Cerebrospinal fluid

A) is normally produced twice as fast as it is removed.
B) has almost the same composition as blood plasma.
C) is formed by a passive process.
D) is secreted by ependymal cells.
E) both B and D

Question 17

Which of the following is not one of the basal nuclei?

A) hippocampus
B) amygdaloid body
C) caudate nucleus
D) globus pallidus
E) putamen

Question 18

Excitation of neurons in the basal nuclei would lead to

A) involuntary speech production.
B) increased muscle tone.
C) inability to sense pain.
D) loss of consciousness.
E) sexual arousal.

Question 19

The medulla oblongata relays auditory information to the

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

Question 20

Difficulty in swallowing may be a sign of damage to which cranial nerves)?

A) vagus
B) facial
C) glossopharyngeal
D) A, B, and C
E) A and C only

Question 21

Figure 13- 1 The Circulation of Cerebrospinal Fluid
Use Figure 13- 1 to answer the following questions:
Identify the structure labeled "8."

A) dura mater
B) ventricles
C) corpus callosum
D) arachnoid granulation
E) pia mater

Question 22

The cranial nerve that has three major branches is the

A) trigeminal.
B) abducens.
C) glossopharyngeal.
D) facial.
E) vagus.

Question 23

The ventral nuclei of the thalamus

A) receive general sensory input.
B) receive input from basal ganglia.
C) receive input from cerebellum.
D) A, B and C.
E) B and C only

Question 24

Which of the following is a property of the mamillary bodies?

A) control reflex eating movements
B) shaped like little breasts
C) process olfactory information
D) located in posterior hypothalamus
E) all of the above

Question 25

Nerve fiber bundles on the ventrolateral surface of the mesencephalon are the

A) superior colliculi.
B) inferior colliculi.
C) tegmenta.
D) cerebral peduncles.
E) corpora quadrigemina.

Question 26

The primary motor cortex is the surface of the

A) precentral gyrus.
B) postcentral gyrus.
C) corpus callosum.
D) arcuate gyrus.
E) insula.

Question 27

Droopy eyelids and double vision can result from injury to the nerve.

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

Question 28

Figure 13- 2 Cranial Nerves
Use Figure 13- 2 to answer the following questions:
What is the function of the nerve labeled "10"?

A) olfaction
B) auditory
C) vision
D) eye movement
E) taste

Question 29

The mamillary bodies of the hypothalamus

A) regulate lactation.
B) secrete antidiuretic hormone.
C) control feeding reflexes.
D) secrete oxytocin.
E) control heart rate and blood pressure.

Question 30

Figure 13- 2 Cranial Nerves
Use Figure 13- 2 to answer the following questions:
The layer of the meninges that closely follows every gyrus and sulcus is the

A) arachnoid membrane.
B) neural cortex.
C) dura mater.
D) pia mater.
E) subarachnoid mater.

Question 31

The receive visual input from the lateral geniculates.

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

Question 32

The tectum of the mesencephalon contains the

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

Question 33

Figure 13- 1 The Circulation of Cerebrospinal Fluid
Use Figure 13- 1 to answer the following questions:
Which of these dural folds is mismatched with its location?

A) falx cerebelli; between cerebellar hemispheres
B) falx cerebri; transverse fissure
C) tentorium cerebelli; covering cerebellum
D) A and C only
E) None are mismatched.

Question 34

Divisions of the cerebral hemispheres that are named after the overlying skull bones are

A) fissures.
B) sinuses.
C) gyri.
D) sulci.
E) lobes.

Question 35

The nucleus gracilis and nucleus cuneatus

A) are located in the medulla oblongata.
B) relay somatic sensory information to the thalamus.
C) pass motor information to the cerebellum.
D) both A and B
E) A, B, and C

Question 36

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

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

Question 37

The filters and relays sensory information to cerebral cortex.

A) cerebellum
B) cerebrum
C) medulla oblongata
D) thalamus
E) pons

Question 38

Olfactory receptors send axons through the cribriform plate and synapse on neurons in the

A) thalamus.
B) olfactory bulb.
C) medulla.
D) cerebral cortex.
E) olfactory tract.

Question 39

Which of the following is not a property of the limbic system?

A) contains cerebral and diencephalic components
B) functions in emotions, learning, and memory
C) functions in maintaining homeostasis in cold weather
D) links conscious functions of the cerebral cortex with unconscious functions of the brain stem
E) located between the border of the cerebrum and diencephalon

Question 40

Within each hemisphere, deep to the floor of the lateral ventricle, you will find the

A) basal nuclei.
B) visual cortex.
C) motor association areas.
D) auditory cortex.
E) anterior commissures.

Question 41

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?

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

Question 42

The pons contains

A) sensory and motor nuclei for four cranial nerves.
B) nuclei concerned with the control of respiration.
C) tracts that link the cerebellum with the brain stem.
D) both B and C
E) A, B, and C

Question 43

A person with a damaged visual association area may be

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

Question 44

Figure 13- 1 The Circulation of Cerebrospinal Fluid
Use Figure 13- 1 to answer the following questions:
Which antibiotic enters the CNS without difficulty because it easily crosses the blood- brain barrier?

A) doxycycline
B) sulfadiazine
C) periostat
D) tetracycline
E) actisite

Question 45

What structure is covered by many blood vessels and adheres tightly to the surface of the brain?

A) pia mater
B) arachnoid
C) choroid plexus
D) cranial plexus
E) dura mater

Question 46

A patient develops a tumor of a cranial nerve that leads to difficulty in speaking from a loss of tongue movement. Which cranial nerve is affected?

A) glossopharyngeal
B) hypoglossal
C) vagus
D) trigeminal
E) spinal accessory

Question 47

The choroid plexus produces CSF at a rate of about

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

Question 48

Figure 13- 1 The Circulation of Cerebrospinal Fluid
Use Figure 13- 1 to answer the following questions:
The white matter of the cerebellum forms the

A) folia.
B) arbor vitae.
C) flocculonodular lobe.
D) pyramid.
E) vermis.

Question 49

The region of the cerebral cortex superior to the lateral sulcus is the

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

Question 50

The ventricle associated with the pons and upper medulla is the

A) first.
B) fourth.
C) third.
D) second.
E) lateral.

Question 51

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

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

Question 52

Figure 13- 1 The Circulation of Cerebrospinal Fluid
Use Figure 13- 1 to answer the following questions:
The third and fourth ventricles are linked by a slender canal designated as the

A) tentorium cerebelli.
B) pontine canal.
C) mesencephalic aqueduct.
D) interventricular foramina.
E) central canal.

Question 53

Figure 13- 1 The Circulation of Cerebrospinal Fluid
Use Figure 13- 1 to answer the following questions:
The corpus callosum is composed of

A) arcuate fibers.
B) association fibers.
C) longitudinal fasciculi.
D) projection fibers.
E) commissural fibers.

Question 54

Which of the following is not a function of cerebrospinal fluid?

A) provides cushioning for delicate neural tissues
B) provides buoyant support for the brain
C) acts as a transport medium for waste products
D) acts as a transport medium for nutrients
E) provides ATP for impulse transmission

Question 55

Figure 13- 1 The Circulation of Cerebrospinal Fluid
Use Figure 13- 1 to answer the following questions:
Identify the structure labeled "7."

A) lateral ventricle
B) dura mater
C) filum terminale
D) fourth ventricle
E) subarachnoid space

Question 56

The region of the brain responsible for predicting the consequence of events or actions is the

A) reticular formation.
B) temporal lobe.
C) cerebral ganglia.
D) occipital association cortex.
E) prefrontal cerebral cortex.

Question 57

You suspect your friend has damage to cranial nerve I when he is unable to

A) smile.
B) smell his food.
C) nod his head.
D) blink his eyes.
E) all of the above

Question 58

The cranial nerves that innervate the eye muscles are

A) III and V.
B) II, III, and IV.
C) I, II, and III.
D) III, IV, and VI.
E) II and VI.

Question 59

Figure 13- 1 The Circulation of Cerebrospinal Fluid
Use Figure 13- 1 to answer the following questions:
The cerebellar hemispheres are separated by a band of cortex called the

A) folia.
B) pyramid.
C) flocculonodular lobe.
D) vermis.
E) arbor vitae.

Question 60

At the optic chiasm

A) axons from the nasal halves of each retina cross.
B) axons from the retinae synapse on those from the other half.
C) axons from the temporal halves of each retina cross.
D) both A and C
E) both B and C

Question 61

The superior border of the temporal lobe is marked by the

A) insula.
B) lateral sulcus.
C) central sulcus.
D) longitudinal fissure.
E) parieto- occipital sulcus.

Question 62

The two cerebral hemispheres are separated by the

A) longitudinal fissure.
B) transverse fissure.
C) central sulcus.
D) postcentral sulcus.
E) parieto- occipital sulcus.

Question 63

Damage to the premotor cortex of the frontal lobe would interfere with the ability to

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

Question 64

Figure 13- 2 Cranial Nerves
Use Figure 13- 2 to answer the following questions:
The is located at the tip of the tail of the caudate nucleus.

A) claustrum
B) amygdaloid body
C) globus pallidus
D) putamen
E) corpus striatum

Question 65

Figure 13- 2 Cranial Nerves
Use Figure 13- 2 to answer the following questions:
The dural fold that projects into the longitudinal fissure between cerebral hemispheres is called the

A) falx cerebelli.
B) dural sinus.
C) tentorium cerebelli.
D) falx cerebri.
E) choroid plexus.

Question 66

The internal capsule of the cerebrum is composed of

A) projection fibers.
B) association fibers.
C) longitudinal fasciculi.
D) arcuate fibers.
E) commissural fibers.

Question 67

centers receive information from many association areas and direct extremely complex motor activities such as speech.

A) Communication
B) Vocal
C) Frontal
D) Integrative
E) Terminal

Question 68

Jane suffers from chronic seizures and in order to control the problem undergoes surgery in which the fibers of the corpus callosum are cut. As a result of this surgery she would likely be unable to

A) recognize written words.
B) touch her nose with her eyes closed.
C) move her left arm.
D) speak.
E) verbally identify an object placed in her left hand.

Question 69

Figure 13- 2 Cranial Nerves
Use Figure 13- 2 to answer the following questions:
A tract of white matter that connects the hippocampus with the hypothalamus is the

A) amygdaloid body.
B) cingulate gyrus.
C) hippocampus.
D) mamillary bodies.
E) fornix.

Question 70

What contains a spiderweb like network of cells and fibers through which cerebrospinal fluid flows?

A) pia mater
B) dural sinus
C) subarachnoid space
D) falx cerebri
E) subdural space

Question 71

The highest levels of information processing occur in the

A) diencephalon.
B) medulla oblongata.
C) corpus callosum.
D) cerebrum.
E) cerebellum.

Question 72

As CSF circulates, between it and the interstitial fluid of the CNS is unrestricted between and across the ependyma.

A) conduction
B) perfusion
C) osmosis
D) convection
E) diffusion

Question 73

Figure 13- 2 Cranial Nerves
Use Figure 13- 2 to answer the following questions:
What is the function of the structure labeled "7"?

A) taste
B) eye movement
C) olfaction
D) auditory
E) vision

Question 74

Figure 13- 2 Cranial Nerves
Use Figure 13- 2 to answer the following questions:
What is the function of the nerve labeled "5"?

A) visceral sensation and motor control
B) taste
C) movement of the tongue
D) facial expression
E) vision

Question 75

The thin partition that separates the first and second ventricles is the

A) interventricular foramina.
B) cerebral aqueduct.
C) septum insula.
D) septum pellucidum.
E) falx cerebri.

Question 76

Integrative centers concerned with the performance of complex processes are restricted to either the left or the right hemisphere. These complex processes include

A) mathematical computation.
B) speech.
C) writing.
D) understanding spatial relationships.
E) all of the above

Question 77

Overseeing the postural muscles of the body and making rapid adjustments to maintain balance and equilibrium are functions of the

A) mesencephalon.
B) medulla oblongata.
C) cerebellum.
D) pons.
E) cerebrum.

Question 78

Figure 13- 2 Cranial Nerves
Use Figure 13- 2 to answer the following questions:
A neural cortex is found on the surface of the

A) cerebral hemispheres.
B) pons.
C) cerebellum.
D) all of the above
E) A and C only

Question 79

Damage to the preoptic area of the hypothalamus leads to which problem?

A) production of a large volume of urine
B) reduced ability to regulate body temperature
C) an intense thirst
D) an insatiable appetite
E) an uncontrolled sex drive

Question 80

The regions of the mesencephalon that issue subconscious motor commands that affect upper limb position and background muscle tone are the

A) red nuclei.
B) cerebral peduncles.
C) tecta.
D) inferior colliculi.
E) superior colliculi.