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 C

Explanation

A. "Wear compression stockings daily." is not specifically related to preventing diabetic complications of the eyes and kidneys.
B. "Examine your feet carefully every day." is important for preventing diabetic foot ulcers but is not directly related to preventing retinopathy and nephropathy.
C. Maintaining stable blood glucose levels is the most effective way to prevent complications like retinopathy and nephropathy in clients with diabetes mellitus. Consistently high blood glucose levels can lead to damage to blood vessels in the eyes and kidneys.
D. "Have an eye examination once per year." is important, but maintaining stable blood glucose levels is the most effective long-term prevention strategy.

A. Glucose level, BP, and brain tissue B. BP, brain tissue, and cerebrospinal fluid C. BP, brain tissue, body mass index D. BP, brain tissue, and ventricles of the brain

Correct Answer is B

Explanation

A. Glucose level, BP, and brain tissue: Glucose level is not a key component of ICP balance.
B. BP, brain tissue, and cerebrospinal fluid: These are the primary components that contribute to ICP balance. Changes in any of these can affect pressure inside the skull.
C. BP, brain tissue, body mass index: BMI is not directly related to ICP balance.
D. BP, brain tissue, and ventricles of the brain: The ventricles are involved in cerebrospinal fluid production but are not one of the primary components of ICP balance as a whole.

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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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