Questions Flashcards

1
Q

A clinical manifestation caused by damage to the lower pons includes an abnormal____

A

Extension response of the upper and lower extremities.

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2
Q

Which person is at the greatest risk for developing delirium?

A

An individual on the second day after hip replacement

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3
Q

A sudden, explosive, disorderly discharge of cerebral neurons is?

A

A seizure

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4
Q

A complex partial seizure is described as:

A

Impairment of both consciousness and the ability to react to exogenous stimuli.

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5
Q

Status epilepticus is considered a medical emergency because of the:

A

Development of cerebral hypoxia.

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6
Q

The most critical aspect in correctly diagnosing a seizure disorder and establishing its cause is:

A

Health history

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7
Q

What type of seizure starts in the fingers and progressively spreads up the arm and extends to the leg?

A

Focal (partial) Jacksonian seizure

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8
Q

What area of the brain mediates the executive attention functions?

A

Prefrontal

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9
Q

What term describes the loss of comprehension or production of language?

A

Aphasia

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10
Q

With receptive dysphasia (fluent), the individual is able to:

A

Comprehend speech, but not verbally respond.

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11
Q

What is the normal intracranial pressure (in mm Hg)?

A

Intracranial pressure is normally 5 to 15 mm Hg or 60 to 180 cm water (H2O)

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12
Q

Cerebral edema is an increase in the fluid content of the brain’s

A

Tissue

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13
Q

What type of cerebral edema occurs when permeability of the capillary endothelium increases after injury to the vascular structure?

A

Ischemic

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14
Q

A communicating hydrocephalus is caused by an impairment of the:

A

Absorption of the CSF

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15
Q

Which edema is most often observed with noncommunicating hydrocephalus?

A

Interstitial

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16
Q

Which dyskinesia involves involuntary movements of the face, trunk, and extremities?

A

Tardive

17
Q

Antipsychotic drugs cause tardive dyskinesia by mimicking the effects of increased_____

A

Dopamine

18
Q

The existence of regular, deep, and rapid respirations after a severe closed head injury is indicative of neurologic injury to the

A

Lower midbrain

19
Q

What type of posturing exists when a person with a severe closed head injury has all four extremities in rigid extension with the forearms in hyper pronation and the legs in plantar extension?

A

Decerebrate

20
Q

Since his cerebrovascular accident, a man has been denying his left hemiplegia. What term is used to describe this finding?

A

Anosognosia is ignorance or denial of the existence of disease.

21
Q

After a cerebrovascular accident, a man is unable to either feel or identify a comb with his eyes closed. This is an example of

A

Tactile agnosia

22
Q

Most dysphasias are associated with cerebrovascular accidents involving which artery?

A

Middle cerebral

23
Q

Tactile agnosia is related to injury of which area of the brain?

A

Parietal

24
Q

Neurofibrillary tangles characterize which neurologic disorder?

A

Alzheimer’s disease

25
Q

The body compensates for a rise in intracranial pressure by first displacing the___

A

CSF

26
Q

Stage 1 intracranial hypertension is caused by the______

A

Displacement of cerebrospinal fluid, followed by compression of the cerebral venous system.

27
Q

Dilated and sluggish pupils, widening pulse pressure, and bradycardia are clinical findings evident of which stage of intracranial hypertension?

A

3

28
Q

Dilation of the ipsilateral pupil, following uncal herniation, is the result of pressure on which cranial nerve (CN)?

A

Oculomotor (CN III)

29
Q

Which characteristic is the most critical index of nervous system dysfunction?

A

Level of consciousness

30
Q

Diagnostic criteria for a persistent vegetative state include:

A

Return of autonomic functions such as gastrointestinal function

31
Q

Uncal herniation occurs when:

A

The hippocampal gyrus shifts from the middle fossa through the tentorial notch into the posterior fossa

32
Q

Which assessment finding marks the end of spinal shock?

A

Gradual return of spinal reflexes

33
Q

Characteristics of primary motor neuron atrophy include____

A

Fasciculations and muscle cramps

34
Q

The weakness resulting from the segmental paresis and paralysis characteristic of anterior horn cell injury is difficult to recognize because:

A

Two or more nerve roots supply each muscle.

35
Q

Parkinson disease is a degenerative disorder of the brain’s_____

A

Basal ganglia

36
Q

Clinical manifestations of Parkinson disease are caused by a deficit in which of the brain’s neurotransmitters?

A

Dopamine

37
Q

Tremors at rest, rigidity, akinesia, and postural abnormalities are a result of the atrophy of neurons in the brain’s_____

A

Substantia nigra that produces dopamine.