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Pathology > chap 14 > Flashcards

chap 14 Flashcards

1
Q 
Which of the following is NOT part of the peripheral nervous system?
Brain
Somatic nervous system
Peripheral nerve pathways
Cranial nerves
A

Brain

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2
Q 
Which of the following is responsible for structural support within a cell?
Nissl substance
Dendrites
Microfilaments
Microtubules
A

Microfilaments

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3
Q 
Which of the following is an insulating substance for the neuron?
Schwann sheath
Myelin
Neurilemma
Node of Ranvier
A

Myelin

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4
Q 
Which of the following neurons transmit impulses from neuron to neuron?
Unipolar neurons
Sensory neurons
Motor neurons
Interneurons
A

Interneurons

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5
Q 
A person experiences a traumatic event and neurons are severed. Which of the following is NOT a characteristic of wallerian degeneration?
Swelling appears.
Neurofilaments atrophy.
The myelin sheath shrinks.
The axon portion degenerates.
A

Neurofilaments atrophy

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6
Q 
Which of the following BEST describes successive, rapid impulses received from a single neuron on the same synapse?
Temporal summation
Spatial summation
Actuation
Facilitation
A

Temporal summation

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7
Q 
Which of the following is NOT a major division of the brain?
Forebrain
Cerebrum
Midbrain
Hindbrain
A

Cerebrum

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8
Q 
Which of the following is a component of the midbrain?
Cerebral hemisphere
Tegmentum
Cerebellum
Medulla oblongata
A

Tegmentrum

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9
Q 
Which part of the brain contains all cell bodies and dendrites of neurons?
Gyri
Sulci
White matter
Gray matter
A

Gray matter

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10
Q

Which of the following is TRUE regarding Broca’s area?
Responsible for receptive speech
Responsible for motor speech
Results in the inability to hear
Is often found in the right cerebral hemisphere

A

Responsible for motor speech

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11
Q

Which of the following is a function of the thalamus?
Major integrating center for afferent impulse
Maintenance of internal environment
Voluntary visual motor movements
Movements of the auditory system

A

Major integrating center for afferent impulse

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12
Q

Which of the following is TRUE regarding the cerebellum?
Makes up fibers of the corticospinal tract
Maintains balance or posture
Controls respiration
Location of cranial nerves V through VIII

A

maintains balance or posture

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13
Q 
An individual experiences a brain injury and the medulla oblongata is affected. Which of the following would you LEAST expect to occur due to this injury?
Alterations in heart rate
Alterations in respirations
Alterations in blood pressure
Alterations in balance and posture
A

Alterations in balance and posture

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14
Q 
Which of the following is involved in pain transmission?
Posterior horn
Substantia gelatinosa
Anterior horn
Dorsal root ganglia
A

Substantia gelatinosa

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15
Q

A person experiences a hematoma called subdural hematoma. Which of the following is a TRUE statement regarding a subdural hematoma?
The subdural space lies between the dura and arachnoid.
It occurs due to the disruption of an artery.
It is closely adhered to the brain.
It also produces CSF.

A

The subdural space lies between the dura and arachnoid

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16
Q 
An alcoholic man falls and fractures his skull. He sustains an arterial bleed near the grooves of the skull. With which of the following types of hematoma is this man most likely going to present?
Subdural
Epidural
Subarachnoid
Lumbar cisterna
A

Epidural

Pathology (14 decks)

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