Chapter 12 (Textbook) Flashcards

(51 cards)

1
Q

The brain and spinal cord begin as the:

A. Neural crest
B. Neural tube
C. Neural fold
D. Prosencephalon

A

B. Neural tube

The neural tube is the precursor to the central nervous system.

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2
Q

The neural tube cavity becomes the:

A. Central sulcus
B. Foramen magnum
C. Ventricles
D. Subarachnoid space

A

C. Ventricles

The ventricles are fluid-filled spaces in the brain.

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3
Q

The lateral ventricles are separated by the:

A. Longitudinal fissure
B. Tentorium cerebelli
C. Septum pellucidum
D. Falx cerebri

A

C. Septum pellucidum

This structure is a thin membrane.

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4
Q

The cerebral aqueduct connects the:

A. Lateral and third ventricles
B. Third and fourth ventricles
C. Fourth and central canal
D. Fourth and lateral ventricles

A

B. Third and fourth ventricles

This connection allows cerebrospinal fluid flow.

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5
Q

Openings in the fourth ventricle that connect to the subarachnoid space:

A. Interventricular foramina
B. Aqueducts
C. Lateral and median apertures
D. Sinuses

A

C. Lateral and median apertures

These openings facilitate cerebrospinal fluid circulation.

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6
Q

A ridge of brain tissue is called a:

A. Sulcus
B. Fissure
C. Gyrus
D. Column

A

C. Gyrus

Gyri are important for increasing the surface area of the brain.

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7
Q

The central sulcus separates the:

A. Temporal and parietal lobes
B. Frontal and parietal lobes
C. Occipital and parietal lobes
D. Insula and frontal lobe

A

B. Frontal and parietal lobes

This sulcus is a key landmark in the brain.

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8
Q

The occipital lobe is responsible for:

A. Hearing
B. Movement
C. Vision
D. Taste

A

C. Vision

The occipital lobe processes visual information.

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9
Q

The insula is located:

A. In the parietal lobe
B. In the frontal lobe
C. Deep within the lateral sulcus
D. Medial to the cerebellum

A

C. Deep within the lateral sulcus

The insula plays a role in consciousness and emotion.

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10
Q

The transverse fissure separates the cerebrum from the:

A. Pons
B. Cerebellum
C. Thalamus
D. Midbrain

A

B. Cerebellum

This fissure is important for brain organization.

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11
Q

The cortex is composed of:

A. Myelinated axons
B. Gray matter
C. White matter
D. Neuroglia only

A

B. Gray matter

The cortex is involved in processing information.

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12
Q

The primary motor cortex is located in the:

A. Postcentral gyrus
B. Precentral gyrus
C. Superior temporal gyrus
D. Occipital cortex

A

B. Precentral gyrus

This area is crucial for voluntary movement.

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13
Q

Pyramidal cells control:

A. Reflex movement
B. Voluntary movement
C. Emotional responses
D. Autonomic functions

A

B. Voluntary movement

Pyramidal cells are key players in motor control.

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14
Q

The premotor cortex is involved in:
A. Taste interpretation
B. Motor planning
C. Emotion
D. Hormone secretion

A

B. Motor planning

This area prepares the brain for movement.

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15
Q

Broca’s area controls:

A. Vision
B. Language comprehension
C. Speech production
D. Balance

A

C. Speech production

Broca’s area is essential for language expression.

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16
Q

The frontal eye field controls:

A. Pupil constriction
B. Reflex blinking
C. Voluntary eye movement
D. Sleep regulation

A

C. Voluntary eye movement

This area coordinates eye movements.

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17
Q

The primary somatosensory cortex is located in the:

A. Precentral gyrus
B. Postcentral gyrus
C. Insula
D. Cerebellum

A

B. Postcentral gyrus

This cortex processes sensory information from the body.

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18
Q

Spatial discrimination allows the brain to:

A. Identify sound pitch
B. Recognize spoken words
C. Identify the body region stimulated
D. Taste chemicals

A

C. Identify the body region stimulated

This ability is crucial for sensory processing.

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19
Q

The primary visual cortex is located in the:

A. Frontal lobe
B. Temporal lobe
C. Occipital lobe
D. Insula

A

C. Occipital lobe

This area is responsible for visual perception.

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20
Q

The auditory association area:

A. Controls reflex hearing
B. Recognizes sounds
C. Controls speech
D. Controls balance

A

B. Recognizes sounds

This area helps in sound interpretation.

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21
Q

The vestibular cortex provides:

A. Smell awareness
B. Taste processing
C. Balance and head position awareness
D. Pain modulation

A

C. Balance and head position awareness

This cortex is essential for spatial orientation.

22
Q

The primary olfactory cortex is located in the:

A. Frontal lobe
B. Temporal lobe
C. Parietal lobe
D. Occipital lobe

A

C. Parietal lobe

This area processes smell information.

23
Q

The gustatory cortex processes:

A. Pain
B. Smell
C. Taste
D. Hearing

A

C. Taste

This cortex is involved in flavor perception.

24
Q

The prefrontal cortex is involved in:

A. Vision
B. Judgement and personality
C. Reflex motor control
D. Hearing

A

B. Judgement and personality

This area is key for decision-making.

25
The posterior association area is involved in: A. Hunger regulation B. Pattern recognition C. Motor planning D. Smell interpretation
B. Pattern recognition ## Footnote This area integrates sensory information.
26
The limbic association area is involved in: A. Motor coordination B. Emotional responses C. Taste storage D. Reflex hearing
B. Emotional responses ## Footnote This area is crucial for emotional processing.
27
Cerebral dominance refers to the hemisphere responsible for: A. Vision B. Language C. Taste D. Smell
B. Language ## Footnote This concept highlights lateralization of brain function.
28
The right hemisphere specializes in: A. Logic B. Math C. Visual-spatial skills D. Language grammar
C. Visual-spatial skills ## Footnote This hemisphere is important for spatial awareness.
29
Commissural fibers connect: A. Cortex to spinal cord B. Hemispheres C. Lobes within a hemisphere D. Cortex to cerebellum
B. Hemispheres ## Footnote These fibers facilitate communication between brain halves.
30
The largest commissure is the: A. Internal capsule B. Corpus callosum C. Corona radiata D. Anterior commissure
B. Corpus callosum ## Footnote This structure connects the left and right hemispheres.
31
Association fibers connect: A. Hemispheres B. Regions within one hemisphere C. Cortex to spinal cord D. Cortex to cerebellum
B. Regions within one hemisphere ## Footnote These fibers link different areas of the same hemisphere.
32
Projection fibers connect: A. Gyri B. Cortex with lower CNS areas C. Hemispheres D. Lobes
B. Cortex with lower CNS areas ## Footnote These fibers transmit information to and from the brain.
33
The basal nuclei function in: A. Taste B. Smell C. Movement control D. Hearing
C. Movement control ## Footnote These nuclei are involved in regulating voluntary movements.
34
The basal nuclei include all EXCEPT: A. Putamen B. Globus pallidus C. Caudate nucleus D. Thalamus
D. Thalamus ## Footnote The thalamus is not part of the basal nuclei.
35
The thalamus acts as: A. Motor cortex B. Relay station to cortex C. Reflex center D. Vision integrator
B. Relay station to cortex ## Footnote The thalamus processes and transmits sensory information.
36
The hypothalamus does NOT regulate: A. Endocrine function B. Hunger C. Temperature D. Language production
D. Language production ## Footnote The hypothalamus is involved in homeostatic functions.
37
The mammillary bodies belong to the: A. Cerebellum B. Midbrain C. Hypothalamus D. Pons
C. Hypothalamus ## Footnote These bodies are involved in memory processing.
38
The pineal gland secretes: A. ADH B. Oxytocin C. Melatonin D. Cortisol
C. Melatonin ## Footnote This gland regulates sleep-wake cycles.
39
Thirst is regulated by the: A. Pons B. Cerebrum C. Hypothalamus D. Thalamus
C. Hypothalamus ## Footnote The hypothalamus plays a key role in fluid balance.
40
The brain stem includes all EXCEPT: A. Midbrain B. Pons C. Medulla D. Thalamus
D. Thalamus ## Footnote The brain stem regulates vital functions.
41
The corpora quadrigemina are located in the: A. Pons B. Medulla C. Midbrain D. Cerebellum
C. Midbrain ## Footnote These structures are involved in visual and auditory reflexes.
42
The superior colliculi control: A. Hearing reflexes B. Vision reflexes C. Taste reflexes D. Pain modulation
B. Vision reflexes ## Footnote These colliculi are important for visual processing.
43
The inferior colliculi control: A. Taste B. Visual tracking C. Auditory reflexes D. Balance
C. Auditory reflexes ## Footnote These colliculi are crucial for sound localization.
44
Decussation of pyramids occurs in the: A. Midbrain B. Pons C. Medulla oblongata D. Thalamus
C. Medulla oblongata ## Footnote This is where motor fibers cross to the opposite side.
45
The oculomotor nerve arises from the: A. Pons B. Medulla C. Midbrain D. Thalamus
C. Midbrain ## Footnote This nerve is responsible for eye movement.
46
The medulla regulates: A. Balance B. Cognitive processing C. Cardiovascular and respiratory centers D. Taste
C. Cardiovascular and respiratory centers ## Footnote The medulla is vital for autonomic functions.
47
What is the role of the thalamus?
It acts as the major relay station for sensory information traveling to the cortex. ## Footnote The thalamus processes and transmits sensory signals.
48
What are three major functions of the hypothalamus?
* Regulates ANS * Controls endocrine function * Maintains homeostasis ## Footnote The hypothalamus is crucial for maintaining body balance.
49
What is the purpose of the primary motor cortex?
Initiates voluntary skeletal muscle movement via pyramidal cells. ## Footnote This area is essential for motor control.
50
Describe the function of the basal nuclei.
Regulate motor control by starting, stopping, and refining movements. ## Footnote The basal nuclei are involved in movement coordination.
51
What structures make up the brain stem?
* Midbrain * Pons * Medulla ## Footnote The brain stem regulates vital autonomic behaviors.