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Patho Test 1 Evolve/Elsevier > Ch. 14 Structure and Function of the Neurological System > Flashcards

Ch. 14 Structure and Function of the Neurological System 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 
.ID: 37614656
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

17
Q

Which is TRUE about epinephrine?
Parasympathetic preganglionic fibers release epinephrine.
Epinephrine stimulates only α-adrenergic receptors.
Epinephrine induces general vasodilation.
The action of epinephrine is the same no matter which receptor it binds.

A

Epinephrine induces general vasodilation

Patho Test 1 Evolve/Elsevier (19 decks)

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