Deck 12: Central Nervous System

Question 1

The part of the nervous system that governs conscious activities is the:

A) central.
B) autonomic.
C) somatic.
D) ventral.
E) myelin.

Answer 1

C

Question 2

Which of the following describes Broca's area?

A) Serves the recognition of simple objects
B) Serves the recognition of color vision
C) Is usually located in the occipital lobe
D) Is considered a motor speech area
E) Is considered a sensory olfactory area

Answer 2

D

Question 3

The fold of dura mater that projects between the cerebral hemispheres in the midsagittal plane is called the:

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

Answer 3

E

Question 4

The third ventricle is surrounded by which of the following?

A) Gyri
B) Sulcus
C) Diencephalon
D) Fissure
E) Insula

Question 5

The transverse cerebral fissure separates the cerebral hemispheres from which of the following?

A) Cerebellum
B) Temporal lobe
C) Frontal lobe
D) Occipital lobe
E) Parietal lobe

Question 6

Which of the following connects the lateral ventricles with the third ventricle?

A) Medulla oblongata
B) Interventricular foramina
C) Aqueduct of Sylvius
D) Cerebral aqueduct
E) Mesencephalic aqueduct

Question 7

The thin median membrane that separates the lateral ventricles is called the:

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

Question 8

The olfactory cortex is part of which section of the brain?

A) Commissural fibers
B) Substantia nigra
C) Rhinencephalon
D) Subthalamic nuclei
E) Putamen

Question 9

The adult human brain contains almost which percentage of the body's neural tissue?

A) 15
B) 30
C) 50
D) 80
E) 98

Question 10

Which of the following is the function of the cerebral nuclei?

A) Provides the general pattern and rhythm for movements, such as walking
B) Controls respiration and blood pressure
C) Plans and coordinates voluntary muscle activity
D) Controls the secretions of the pituitary gland
E) Coordinates sensory information

Question 11

Which of the following is true regarding male brains when compared with female brains?

A) Less convoluted
B) The same size
C) Smaller
D) Larger
E) Darker in color

Question 12

Which of the following connects the pituitary gland to the base of the hypothalamus?

A) Mammillary bodies
B) Midbrain
C) Infundibulum
D) Cerebellum
E) Pons

Question 13

Which of the following is the most dorsal part of the diencephalon, and forms the roof of the third ventricle?

A) Medulla oblongata
B) Epithalamus
C) Midbrain
D) Pons
E) Limbic system

Question 14

An almond-shaped nucleus on the tail of the caudate nucleus is known as a(n):

A) limbic system.
B) midbrain.
C) medulla oblongata.
D) fornix.
E) amygdaloid body.

Question 15

Which of the following parts of the brain are the critical areas for emotions?

A) Fornix and thalamus
B) Anterior cingulate gyrus and amygdaloid body
C) Hippocampus and reticular formation
D) Brain stem and midbrain
E) Fornix and hippocampus

Question 16

Which of the following cranial nerves does not originate from the medulla oblongata?

A) Vestibulocochlear (VIII)
B) Vagus (X)
C) Trigeminal (V)
D) Glossopharyngeal (IX)
E) Hypoglossal (XII)

Question 17

What is the second-largest portion of the brain?

A) Cerebellum
B) Thalamus
C) Midbrain
D) Cerebrum
E) Medulla

Question 18

Cranial nerves V, VI, and VII originate in which of the following?

A) Cerebrum
B) Pons
C) Midbrain
D) Medulla
E) Cerebellum

Question 19

Which of the following brain waves are irregular, have a low frequency, and are more common in children?

A) Beta
B) Theta
C) Alpha
D) Gamma
E) Delta

Question 20

Which of the following stages of sleep involves very difficult arousal, bed-wetting, and nightmares?

A) REM
B) NREM-1
C) NREM-2
D) NREM-3
E) NREM-4

Question 21

Which of the following terms describes the condition in which an individual lapses into REM sleep directly from the awake state?

A) Narcolepsy
B) Insomnia
C) Sleep deprivation
D) Moodiness
E) Dreaming

Question 22

Which of the following parts of the cortex stores musical memory?

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

Question 23

Which of the following is a large fold that dips into the longitudinal fissure between the hemispheres of the cerebrum?

A) Dural septa
B) Tentorium cerebelli
C) Falx cerebelli
D) Falx cerebri
E) Subdural space

Question 24

Which of the following is the outermost layer, which is made up of fibrous, tough, and white connective tissue?

A) Pia mater
B) Dural septa
C) Falx cerebri
D) Arachnoid mater
E) Dura mater

Question 25

Approximately how much CSF is produced every day by the choroid plexus?

A) 50 mL
B) 150 mL
C) 500 mL
D) 650 mL
E) 900 mL

Question 26

Excess cerebrospinal fluid is drained into which of the following?

A) Superior sagittal sinus
B) Cranial vein
C) Falx cerebri
D) Jugular vein
E) Dural sinus

Question 27

The dural and arachnoid membranes extend inferiorly to which of the following?

A) L₁
B) L₂
C) S₁
D) S₂
E) S₄

Question 28

Which of the following is a fibrous extension of the conus medullaris?

A) Cauda equina
B) Filum terminale
C) Dorsal root
D) Ventral root
E) Pia mater

Question 29

The ventral and dorsal roots of each spinal segment unite to form:

A) a spinal nerve.
B) a spinal ganglion.
C) a spinal meninx.
D) a cervical enlargement.
E) a lumbar enlargement.

Question 30

Which of the following layers of the meninges is tightly bound to the surface of the neural tissue?

A) Denticulate ligament
B) Dura mater
C) Pia mater
D) Arachnoid mater
E) Filum terminale

Question 31

A thin layer of gray matter comprising the outer portion of the cerebrum is called the __________.

Question 32

The large commissure that connects the right and left sides of the brain is called the __________.

Question 33

The nondominant hemisphere controls __________ functions and intuitive and emotional thoughts.

Question 34

The __________ is the most dorsal part of the diencephalon.

Question 35

The total CSF volume is about __________ mL, which is replaced every 8 hours.

Question 36

Poliomyelitis is an inflammation of the __________ matter of the spinal cord.

Question 37

Cell bodies of the sensory neurons of the spinal nerves are located in the __________ root ganglia of the spinal cord.

Question 38

The __________ matter of the spinal cord contains myelinated and unmyelinated nerve fibers.

Question 39

Ridges of tissue on the surface of the cerebral hemispheres are called __________.

Question 40

The frontal lobe is separated from the temporal lobe by the __________ sulcus.

Question 41

The corpora quadrigemina are found in the __________.

Question 42

The __________ is responsible for storage and retrieval of new long-term memories.

Question 43

The most superior region of the brain stem is the __________.

Question 44

The diencephalon includes the thalamus, __________, and epithalamus.

Question 45

The caudate nucleus arches over the diencephalon, joining the putamen to form the __________.

Question 46

The caudal border of the epithalamus is formed by the __________ commissure.

Question 47

The largest midbrain nuclei are the corpora __________.

Question 48

The cerebrum's surface is covered with gyri.

Question 49

The hypothalamus makes up 90% of the diencephalon.

Question 50

Cranial reflexes are only monosynaptic.

Question 51

The pulvinar integrates sensory information for projection to the association area of the cerebral cortex.

Question 52

A neural cortex is found on the surface of the cerebrum and cerebellum.

Question 53

The condition in which a person loses sensation and motor control of the arms and legs is termed paraplegia.

Question 54

The white matter of the cerebellum forms a branching array called the arbor vitae.

Question 55

Most of the cerebral cortex motor areas are located in the occipital lobe.

Question 56

The mapping of the CNS structures of the body is referred to as somatotopy.

Question 57

When certain local areas of the primary motor cortex are damaged, this causes poliomyelitis.

Question 58

The substantia nigra have a high amount of melanin pigment and appear dark in color.

Question 59

The gyri of the surface of the cerebellum are known as folia.

Question 60

The tentorium cerebelli is a large fold that dips into the longitudinal fissure between the hemispheres of the cerebrum.

Question 61

Lesions of Wernicke's area may cause lack of understanding of language.

Question 62

Arachnoid villi are knob-like projections that protrude superiorly through the dura mater into the superior sagittal sinus.

Question 63

Abnormal accumulation of CSF is called meningitis.

Question 64

The blood-brain barrier is uniform throughout the brain, and prevents passage of fats and carbon dioxide.