Deck 15: The Central Nervous System: Brain and Spinal Cord

Question 1

When dissecting a sheep's brain, a coronal (or frontal)section will create ________ parts of the brain.

A)medial and lateral
B)superior and inferior
C)anterior and posterior
D)right and left

Answer 1

C

Question 2

What term is used to describe the lateral extensions of the pia mater that anchor the spinal cord to the vertebral foramen walls?

A)Denticulate ligament
B)Conus medullaris
C)Cauda equine
D)Filum terminale

Answer 2

A

Question 3

Identify the structure labeled "a."

A)Postcentral gyrus
B)Temporal lobe
C)Precentral gyrus
D)Central sulcus

Answer 3

C

Question 4

What term describes the tapered end of the spinal cord?

A)Cauda equina
B)Conus medullaris
C)Filum terminale
D)Denticulate ligament

Question 5

Which structure holds cerebrospinal fluid and is associated with the diencephalon?

A)Third ventricle
B)Subarachnoid space
C)Superior sagittal sinus
D)Lateral ventricle

Question 6

Which is a component of the brain stem?

A)Choroid plexus
B)Cerebellum
C)Thalamus
D)Pons

Question 7

Identify the structure labeled "e."

A)Parietal lobe
B)Insula
C)Postcentral gyrus
D)Frontal lobe

Question 8

When dissecting a sheep's brain, a midsagittal cut slices ________.

A)between the cerebellum and cerebrum
B)through the longitudinal fissure
C)through the parieto-occipital sulcus
D)through the central sulcus

Question 9

What is the connective tissue "bag" that holds or surrounds the mammalian brain called?

A)Meninges
B)Arachnoid mater
C)Mucosa
D)Cranial cavity

Question 10

Identify the structure labeled "h"

A)Temporal lobe
B)Insula
C)Parietal lobe
D)Occipital lobe

Question 11

Where is the arbor vitae located?

A)Cerebellum
B)Medulla oblongata
C)Brain stem
D)Diencephalon

Question 12

Which structure collects venous blood and cerebrospinal fluid?

A)Cerebral aqueduct
B)Fourth ventricle
C)Superior sagittal sinus
D)Arachnoid villus

Question 13

Which structure clings to the gray matter of the cerebrum?

A)Arachnoid mater
B)Pia mater
C)Superior sagittal sinus
D)Arachnoid villus

Question 14

In the BioPac activity examining human brain waves, how many electrodes will be used for the EEG?

A)5
B)3
C)1
D)15

Question 15

Which structure is the outermost, strongest layer of the meninges?

A)Pia mater
B)Arachnoid mater
C)Dura mater
D)Cerebral mater

Question 16

Which structure connects the third and fourth ventricles?

A)Cerebral aqueduct
B)Arachnoid villus
C)Spinal canal
D)Apertures

Question 17

Which is a graphic recording of the brain's electrical activity?

A)Electrocraniogram
B)Electrocardiogram
C)Electromyogram
D)Electroencephalogram

Question 18

What term describes the bundle of spinal nerves that extend from the inferior end of the spinal cord?

A)Conus medullaris
B)Cauda equina
C)Filum terminale
D)Denticulate ligament

Question 19

Identify the nerve labeled "e."

A)Medulla oblongata
B)Midbrain
C)Pons
D)Cerebral aqueduct

Question 20

What structure produces cerebrospinal fluid?

A)Cerebral aqueduct
B)Choroid plexus
C)Hypothalamus
D)Thalamus

Question 21

What structure acts as a gateway for sensory impulses before they reach the cerebral cortex?

A)Corpus callosum
B)Cerebellum
C)Hypothalamus
D)Thalamus

Question 22

The delta rhythm of the EEG ________.

A)is only detected in people during deep sleep
B)occurs in awake adults whose eyes are closed
C)occurs in people who are concentrating or are stressed
D)is abnormal in awake adults

Question 23

Identify letter "e."

A)Fourth ventricle
B)Central canal
C)Cerebral aqueduct
D)Third ventricle

Question 24

Identify the structure labeled "d."

A)Cerebral aqueduct
B)Fourth ventricle
C)Spinal canal
D)Third ventricle

Question 25

How does the beta rhythm react when the eyes are open?

A)Cycles per second decrease, but the peaks (amplitude)get higher.
B)Cycles per second increase and become more variable, and the peaks (amplitude)decrease.
C)Cycles per second and the peaks (amplitude)both decrease.
D)Cycles per second increase and become predictable, and the peaks (amplitude)also increase.

Question 26

Where is the gustatory cortex located?

A)Frontal lobe
B)Insula
C)Pareital lobe
D)Temporal lobe
E)Occipital lobe

Question 27

What are the eyes doing when the desynchronization of the alpha rhythm occurs?

A)The pupils are unevenly dilating.
B)The eyes begin to focus on two different objects.
C)The eyes are opening.
D)The eyes are closing.

Question 28

Which is a characteristic of regular periodic waveforms?

A)Even, predictable frequencies
B)Low-frequency pattern
C)Low amplitude
D)High amplitude

Question 29

Identify letter "b."

A)Lateral ventricle
B)Fourth ventricle
C)Third ventricle
D)Interventricular foramen

Question 30

How does the delta rhythm react when the eyes open?

A)They increase in amplitude.
B)They increase in frequency.
C)They diminish or disappear.
D)They diminish in strength but increase in frequency.

Question 31

Which region of the cerebral cortex controls motor speech?

A)Broca's area
B)Postcentral gyrus
C)Wernicke's area
D)Precentral gyrus

Question 32

Identify the structure labeled "h."

A)Hypothalamus
B)Thalamus
C)Epithalamus
D)Lateral ventricle

Question 33

Where is the corpora quadrigemina located?

A)Pons
B)Medulla oblongata
C)Cerebellum
D)Midbrain

Question 34

Identify the structure labeled "d."

A)Posterior horn
B)Anterior median sulcus
C)Anterior horn
D)Central canal

Question 35

Which lobe of the brain is responsible for visual information?

A)Parietal
B)Occipital
C)Insula
D)Frontal

Question 36

Which is the correct order of the meninges from most superficial to deepest?

A)Arachnoid, pia, and dura
B)Dura, pia, and arachnoid
C)Pia, arachnoid, and dura
D)Dura, arachnoid, and pia

Question 37

Which structure is a "large tract" that connects the two hemispheres?

A)Septum pellucidum
B)Corpus callosum
C)Pons
D)Basal nuclei

Question 38

Which is a function of the cerebrospinal fluid?

A)Regulates hormone levels around the brain
B)Circulates blood and oxygen around brain and spinal cord
C)Acts as "lymph node" for the brain and spinal cord
D)Cushions the brain from physical trauma

Question 39

Which structure that holds cerebrospinal fluid is located in the cerebrum?

A)Lateral ventricle
B)Fourth ventricle
C)Third ventricle
D)Cerebral aqueduct

Question 40

The alpha rhythm of the EEG ________.

A)occurs in people who are concentrating or are stressed
B)is abnormal in awake adults
C)occurs in awake adults whose eyes are closed
D)is only detected in people during deep sleep

Question 41

What is the tapered tip of the spinal cord called?

A)Denticulate ligament
B)Dural sheath
C)Filum terminale
D)Conus medullaris

Question 42

Identify the structure labeled "e."

A)Lateral funiculus
B)Anterior median fissure
C)Central canal
D)Anterior horn

Question 43

Identify the structure labeled "e."

A)Midbrain
B)Arbor vitae
C)Pineal gland
D)Medulla oblongata

Question 44

The inability of the cerebrospinal fluid to flow from the third ventricle to the fourth ventricle could be caused by a narrowing of which structure?

A)Interventricular foramen
B)Cerebral aqueduct
C)Arachnoid villi
D)Central canal

Question 45

There is a disorder termed aphasia that interferes with a patient's ability to organize words in the proper way, and as a result, the patient's speech is fluid but nonsensical. What part of the brain is affected by this form of aphasia?

A)Broca's Area
B)Wernike's Area
C)Frontal lobe
D)Precentral gyrus

Question 46

To do a spinal tap to sample the cerebrospinal fluid, a needle is inserted into which of the following?

A)Central canal
B)Subarachnoid space
C)Epidural space
D)Subdural space

Question 47

The ________ and ________ are enlargements of the spinal cord.

A)conus medullaris; filum terminale
B)thoracic; lumbar
C)cervical; lumbar
D)lumbar; conus medullaris

Question 48

-In what brain region is the structure labeled "a" found?

A)Brain stem
B)Cerebellum
C)Diencephalon
D)Cerebrum

Question 49

Damage to the ventral nerve root in the lumbar region would affect a patient's ability to do which of the following?

A)Detect a pin prick on their legs
B)Move their legs
C)Detect a pin prick on their arm
D)Move their arm

Question 50

There is a loud crash late at night, and it awakens you. Which of the following brain structures initiated the startle reflex?

A)Corpus callosum
B)Inferior colliculi
C)Superior colliculi
D)Cerebellum

Question 51

The ________ is the space between the dura mater and the bone of the vertebra.

A)epidural space
B)arachnoid space
C)subarachnoid space
D)subdural space

Question 52

What structure anchors the spinal cord to the coccyx and is considered part of the pia mater of the spinal cord?

A)Conus medullaris
B)Denticulate ligament
C)Filum terminale
D)Dural sheath

Question 53

Identify the structure labeled "c."

A)Corpus callosum
B)Arbor vitae
C)Midbrain
D)Pons

Question 54

Which is a notable difference between a sheep brain and a human brain?

A)The sheep's fornix is smaller.
B)The sheep's cerebrum is smaller.
C)The sheep's brain does not have a corpus callosum.
D)The sheep's cerebellum is located more anteriorly.