To preserve cerebral perfusion of a patient with an elevated intracranial pressure (ICP), which cerebral perfusion pressure (CPP) would the nurse maintain when suctioning the patient?

80 mm Hg

20 mm Hg

40 mm Hg

60 mm HG

Answer and Explanation

The Correct Answer is A

A.   Cerebral perfusion pressure (CPP) is crucial for maintaining adequate blood flow to the brain. A CPP of 80 mm Hg is typically considered the lower limit for preserving cerebral perfusion, particularly in patients with elevated ICP.
B.   20 mm Hg is too low and would indicate inadequate perfusion, which could result in brain ischemia.
C.   40 mm Hg is too low for optimal cerebral perfusion in critically ill patients with elevated ICP.
D.   60 mm Hg is also too low for optimal cerebral perfusion in critically ill patients with elevated ICP.

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Correct Answer is A

Explanation

A. Damage to the right hemisphere, particularly the parietal and temporal lobes, can cause difficulty with recognition (prosopagnosia) and spatial awareness.
B. Right hemiparesis (weakness of the left side of the body) is common with left hemisphere damage, not right hemisphere damage.
C. Aphasia (language impairment) is typically associated with left hemisphere damage.
D. Difficulty reading (alexia) is more common with left hemisphere stroke, which controls language processing.

A. Unable to discriminate words and letters B. Deficits in the right visual field C. Motor retardation D. Poor impulse control

Correct Answer is D

Explanation

A. Unable to discriminate words and letters is associated with left hemisphere damage, which is more linked to language and communication deficits.
B. Deficits in the right visual field would typically occur with left hemisphere damage, which affects vision.
C. Motor retardation is more often associated with left hemisphere damage affecting motor control.
D. Right cerebral hemisphere damage often results in behavioral changes, such as poor impulse control, lack of awareness of deficits (anosognosia), and changes in emotional responses.

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To preserve cerebral perfusion of a patient with an elevated intracranial pressure (ICP), which cerebral perfusion pressure (CPP) would the nurse maintain when suctioning the patient?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is D

Explanation

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