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Anatomy exam 3 > Anatomy chapter 13 quiz > Flashcards

Anatomy chapter 13 quiz Flashcards

1
Q

The shallow depressions between folds on the surface of the brain are called

gyri.

sulci.

ventricles.

syncitia.

A

sulk

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2
Q

Arrange the primary brain vesicles in the correct anterior to posterior order.
a: Rhombencephalon
b: Mesencephalon
c: Prosencephalon

a, c, b

b, a, c

a, b, c

c, b, a

c, a, b

A

cba

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3
Q

The primary vesicle from which the metencephalon arises is the

diencephalon.

rhombencephalon.

mesencephalon.

myelencephalon.

proscencephalon.

A

rhombencephalon

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3
Q

Arrange the five secondary vesicles in the correct anterior to posterior order.
a: Diencephalon
b: Myelencephalon
c: Telencephalon
d: Metencephalon
e: Mesencephalon

b, a, c, d, e

a, b, c, d, e

b, c, a, e, d

c, d, e, a, b

c, a, e, d, b

A

caedb

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4
Q

The portion of the adult brain that includes the cerebrum is derived from which secondary brain vesicle?

Telencephalon

Diencephalon

Myelencephalon

Metencephalon

Mesencephalon

A

telencephalon

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5
Q

The portion of the adult brain that includes the cerebral peduncles, superior colliculi, and inferior colliculi is derived from which secondary brain vesicle?

Telencephalon

Diencephalon

Myelencephalon

Metencephalon

Mesencephalon

A

mesencephalon

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6
Q

The cerebral cortex consists of ______ matter.

gray

white

A

gray

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7
Q

Which of the cranial meninges consists of dense irregular connective tissue in two layers (the periosteal layer and the meningeal layer)?

Pia mater

Arachnoid

Dura mater

Subdural layer

Subarachnoid layer

A

dura mater

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8
Q

The meninx composed of a delicate web of collagen and elastic fibers is the

pia mater.

arachnoid mater.

dura mater.

periosteal layer.

subarachnoid layer.

A

arachnoid mater

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9
Q

The horizontally-oriented fold of dura mater that separates the occipital and temporal lobes of the cerebrum from the cerebellum is the

diaphragma sellae.

falx cerebelli.

tentorium cerebelli.

superior sagittal sinus.

falx cerebri.

A

tentorium cerebelli

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10
Q

A sickle-shaped vertical partition that divides the left and right cerebellar hemispheres is the

diaphragma sellae.

falx cerebelli.

tentorium cerebelli.

superior sagittal sinus.

falx cerebri.

A

falx cerebelli

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11
Q

The brain ventricle located in the diencephalon is the _____ ventricle.

third

lateral

fourth

median

falx

A

third

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12
Q

The partition between the lateral ventricles is the

central canal.

interventricular foramen.

mesencephalic aqueduct.

ventricular canal.

septum pellucidum.

A

septum pellucidum

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13
Q

Cerebrospinal fluid is formed by the

choroid plexus.

arachnoid villi.

arachnoid granulation.

septum pellucidum.

mesencephalic aqueduct.

A

choroid plexus

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14
Q

Excess CSF is removed from the subarachnoid space by

the median aperture.

microglia.

astrocytes.

arachnoid villi.

the choroid plexus.

A

arachnoid villi

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15
Q

The blood-brain barrier is made up of

microglial extensions and capillary endothelial cells.

ependymal cells and venous blood vessels.

astrocyte perivascular feet and capillary endothelial cells.

astrocyte extensions and dural sinuses.

astrocyte perivascular feet and the falx cerebri.

A

astrocyte perivascular feet and capillary endothelial cells.

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16
Q

The location of conscious thought processes and the origin of all complex intellectual functions is the

cerebellum.

pons.

hypothalamus.

corpus callosum.

cerebrum.

A

cerebrum.

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17
Q

Most commonly, which cerebral hemisphere is responsible for controlling speech?

Left

Right

A

left

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18
Q

One function of the brain’s frontal lobe is

smell.

verbal communication.

hearing.

speech interpretation.

vision.

A

verbal communication

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19
Q

Cerebral lateralization refers to the

difficulty in assigning a precise function to a specific region of the cortex.

generalization that both cerebral hemispheres receive their sensory information from and project motor commands to the opposite side of the body.

separation of the various lobes of the brain from each other.

crisscrossing of information between the two hemispheres.

functional differences between the right and left hemispheres.

A

functional differences between the right and left hemispheres.

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19
Q

The feet of the sensory homunculus are located

medially on the postcentral gyrus.

medially on the precentral gyrus.

laterally on the postcentral gyrus.

laterally on the precentral gyrus.

A

medially on the postcentral gyrus.

20
Q

The lateral sulcus is superior to the

occipital lobe.

temporal lobe

insula

parietal lobe

frontal lobe

A

temporal lobe

21
Q

A person with damage to the premotor cortex area that coordinates eye movements

can read but cannot understand the words.

cannot read or understand the words.

can understand the words but cannot follow the lines on the page.

can process linguistic information visually but not through auditory inputs.

A

can understand the words but cannot follow the lines on the page.

22
Q

Commissural tracts

extend between the right and left cerebral hemispheres.

connect a region of one lobe with another lobe in the same hemisphere.

connect different regions within a lobe.

connect different regions of the cerebral cortex within the same hemisphere.

link the cerebral cortex to the caudal brain regions and the spinal cord.

A

extend between the right and left cerebral hemispheres.

23
Q

The left hemisphere is dominant for speech in almost all right-handed people and in many left-handed ones.

True
 	False
A

true

24
Q

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

cerebral nuclei.

corpus callosi.

inferior colliculi.

interthalamic adhesions.

ventricular connections.

A

cerebral nuclei.

25
Q

Which nucleus is part of the lentiform nucleus that controls muscular movement at the subconscious level?

Amygdaloid body

Caudate nucleus

Putamen

Dentate nucleus

Claustrum

A

putamen

26
Q

Following a head injury, a young woman frequently loses her temper and is often depressed and otherwise “moody.” What part of the brain do you think has been damaged?

Amygdaloid body

Caudate nucleus

Putamen

Globus pallidus

Claustrum

A

amygdaloid body

27
Q

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.

Epithalamus

Thalamus

Hypothalamus

Cerebellum

Infundibulum

A

epithalamus

28
Q

Which structure plays a crucial role in filtering out the irrelevant noise at a crowded party so that you can listen to someone speaking to you?

Thalamus

Hypothalamus

Epithalamus

A

thalamus

29
Q

A football player can hear his coach’s voice above the noise of the crowd and can sense an opponent about to run him down. These abilities are due to the action of what part of the brain?

Hypothalamus

Epithalamus

Thalamus

Pineal body

Pons

A

thalamus

30
Q

As motor tracts descend to the brainstem, they become the anterolateral surfaces of the midbrain known as the

inferior colliculi.

accessory nerves.

inferior olivary complexes.

cerebral peduncles.

substantia nigra.

A

cerebral peduncles

31
Q

The sleep-wake cycle and the sex drive are both regulated by the

pons.

thalamus.

hypothalamus.

olive.

A

hypothalamus.

32
Q

Which are the midbrain nuclei that produce dopamine, and thereby affect motor control?

Red nuclei

Cerebral nuclei

Substantia nigra

Arcuate nuclei

A

Substantia nigra

33
Q

Axons of the corticospinal tract cross the brainstem at the

middle cerebellar peduncle of the pons.

decussation of the pyramids in the medulla oblongata.

primary fissure of the cerebellum.

cerebral aqueduct of the midbrain.

hypoglossal canal.

A

decussation of the pyramids in the medulla oblongata.

34
Q

Which part of the brain contains the arbor vitae?

Pons

Medulla oblongata

Cerebrum

Cerebellum

Epithalamus

A

cerebellum

35
Q

This portion of the brain ensures that skeletal muscle contraction follows the correct pattern leading to smooth, coordinated movements.

Pons

Medulla oblongata

Cerebrum

Cerebellum

Epithalamus

A

Cerebellum

36
Q

The __________ is composed of multiple structures that collaboratively process and contribute to the experience of emotions.

medulla oblongata

cerebellum

hypothalamus

limbic system

cerebellar peduncle

A

limbic system

37
Q

The part of the limbic system involved in storing memories and forming long-term memory is the

cingulate gyrus.

amygdaloid body.

fornix.

mammillary body.

hippocampus.

A

hippocampus

38
Q

What is the name of the brainstem sensory area that contains axons that project to the cerebral cortex to arouse us from sleep?

Habenular nucleus

Reticular activating system

Mammillary body

Hippocampus

Parahippocampal gyrus

A

Reticular activating system

39
Q

Damage to which lobe of the brain (that normally plans appropriate behavior) has been most frequently associated with personality abnormalities?

Frontal

Parietal

Occipital

Temporal

Insula

A

frontal

40
Q

The advances in higher-order brain functioning that happen from birth to age five correlate with

an increase in the number of brain neurons.

completion of PNS myelination.

an increase in total brain size and complexity.

completion of myelination of the frontal cortex.

A

an increase in total brain size and complexity.

41
Q

Interpretation of emotion is governed by the _______, and expression of emotion is governed by the ________.

hippocampus, hypothalamus

hypothalamus, hippocampus

limbic system, prefrontal cortex

prefrontal cortex, amygdala

endocrine system, association cortex

A

limbic system, prefrontal cortex

41
Q

Formation of new memories involves the ________, and storage of long-term memories primarily involves the ________.

hippocampus; association areas of the cerebrum

habenulum; amygdaloid body

amygdala; reticular formation

cerebellum; corpus callosum

lateral ventricles; hippocampus

A

hippocampus; association areas of the cerebrum

41
Q

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, because both lacrimal secretion and salivary secretion are affected, there may be damage to the ____________ nerve.

Trigeminal

Hypoglossal

Glossopharyngeal

Abducens

Facial

A

facial

42
Q

The prefrontal cortex

has axons that continue to myelinate well into our 20s.

matures soon after birth.

is primarily responsible for understanding spoken or written language.

processes raw visual information, putting it into context.

A

has axons that continue to myelinate well into our 20s.

43
Q

The cranial nerve responsible for movement of the medial rectus, superior rectus, inferior rectus, and inferior oblique muscles is the __________ nerve.

oculomotor

trochlear

abducens

trigeminal

hypoglossal

A

oculomotor

44
Q

Non-REM sleep

comprises most of our sleep time.

is characterized by movements of the eyes.

is where we have our most memorable dreams.

is a time when the brain is very active.

A

comprises most of our sleep time.

45
Q

The _____ component of the reticular formation is called the reticular activating system (RAS).

sensory

motor

A

sensory

46
Q

A lesion in the _____ may result in difficulty forming long-term memories because this limbic system structure is critical to memory consolidation.

hippocampus

pineal gland

cingulate gyrus

superior olivary nucleus

A

hippocampus

Anatomy exam 3 (4 decks)

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