A nurse is caring for a client who has sustained a neurologic injury with increased intracranial pressure and decreased cerebral perfusion.
Which of the following will maintain cerebral perfusion pressure constant?

Regulation of the amount of carbon dioxide exhaled

Regulation of catecholamines circulating throughout the body

Regulation of how much blood is pumped from the heart

Regulation of constriction and dilation of blood vessels in the brain

Answer and Explanation

The Correct Answer is D

Choice A rationale
Regulation of the amount of carbon dioxide exhaled can affect cerebral blood flow, but it does not directly maintain cerebral perfusion pressure constant.
Choice B rationale
Catecholamines circulating throughout the body can affect blood pressure and heart rate, but they do not directly maintain cerebral perfusion pressure constant.

Choice C rationale
How much blood is pumped from the heart, also known as cardiac output, can affect cerebral perfusion pressure. However, it does not directly maintain cerebral perfusion pressure constant.
Choice D rationale
Regulation of constriction and dilation of blood vessels in the brain, also known as cerebral autoregulation, is a key mechanism that maintains cerebral perfusion pressure constant. When pressure autoregulation is impaired, cerebral blood flow becomes dependent on cerebral perfusion pressure.

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Correct Answer is C

Explanation

Choice A rationale
Peripheral neuropathy is a result of damage to the peripheral nerves and is often associated with conditions like diabetes, infections, and traumatic injuries. It typically causes chronic pain, characterized by a burning or tingling sensation, rather than acute pain.
Choice B rationale

Fibromyalgia is a chronic disorder characterized by widespread musculoskeletal pain, fatigue, and tenderness in localized areas. It is not an example of acute pain.
Choice C rationale
A surgical incision is a common cause of acute pain. Pain from a surgical incision occurs suddenly, usually as a result of tissue damage from the surgery, and it resolves once the tissue heals.
Choice D rationale
Rheumatoid arthritis is a chronic inflammatory disorder that can affect more than just your joints. It typically causes chronic pain, not acute pain.

A. The client should maintain systolic BP between 141 and 145 mm Hg B. The client should maintain systolic BP between 120 and 129 mm Hg C. The client should maintain systolic BP between 130 and 135 mm Hg D. The client should maintain systolic BP between 136 and 140 mm Hg .

Correct Answer is B

Explanation

Choice A rationale
Maintaining systolic BP between 141 and 145 mm Hg is considered high and can increase the risk of stroke.
Choice B rationale

The client should maintain systolic BP between 120 and 129 mm Hg. This is considered a normal blood pressure range and can help reduce the risk of stroke.
Choice C rationale
Maintaining systolic BP between 130 and 135 mm Hg is considered elevated and can increase the risk of stroke.
Choice D rationale
Maintaining systolic BP between 136 and 140 mm Hg is considered high and can increase the risk of stroke.

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A nurse is caring for a client who has sustained a neurologic injury with increased intracranial pressure and decreased cerebral perfusion. Which of the following will maintain cerebral perfusion pressure constant?

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A nurse is caring for a client who has sustained a neurologic injury with increased intracranial pressure and decreased cerebral perfusion.
Which of the following will maintain cerebral perfusion pressure constant?