A client with increased intracranial pressure has a cerebral perfusion pressure (CPP) of 40 mm Hg. This CPP reading is considered:
Low.
Inaccurate.
Within normal limits.
High.
The Correct Answer is A
Choice A rationale
A cerebral perfusion pressure (CPP) of 40 mm Hg is considered low, as the normal range for CPP is typically between 60 and 80 mm Hg. Low CPP can lead to inadequate blood flow to the brain.
Choice B rationale
An accurate CPP reading is crucial for assessing intracranial pressure and cerebral blood flow. A reading of 40 mm Hg is not typically considered inaccurate.
Choice C rationale
A CPP of 40 mm Hg is not within normal limits, as it is significantly below the normal range.
Choice D rationale
A CPP of 40 mm Hg is not high; it is considered low and requires medical attention.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","E"]
Explanation
Choice A rationale
Pinpoint pupils can indicate opioid use or damage to the pons, a part of the brainstem. This finding warrants further evaluation to determine the underlying cause and appropriate intervention.
Choice B rationale
Absence of pupillary response suggests severe brain injury or brainstem dysfunction. It is a critical finding that requires immediate medical attention to address potential life-threatening conditions.
Choice C rationale
Pupil reaction to light is a normal response indicating intact cranial nerve function. This finding does not raise neurologic concerns and does not require further investigation.
Choice D rationale
Quick pupil reaction is a normal response and indicates healthy cranial nerve function. This finding is not associated with neurologic concerns.
Choice E rationale
Unequal pupils, or anisocoria, can indicate increased intracranial pressure, brain injury, or nerve damage. This finding requires prompt assessment and intervention to prevent further complications.
Correct Answer is C
Explanation
Choice A rationale
Fasting for at least 8 hours is usually required for certain diagnostic tests that involve anesthesia or contrast media, but it is not necessary for a bone scan. A bone scan typically involves the injection of a radioactive tracer and does not require fasting.
Choice B rationale
Completion of a bowel cleansing regimen is necessary for certain gastrointestinal procedures such as colonoscopy, but it is not relevant for a bone scan. A bone scan focuses on detecting bone abnormalities and does not involve the digestive system.
Choice C rationale
Emptying the bladder is important before a bone scan to ensure clear imaging of the pelvic bones. A full bladder can obscure the view and interfere with the accuracy of the scan. Ensuring the bladder is empty helps in obtaining better diagnostic images.
Choice D rationale
No allergy to penicillins is crucial information for procedures involving antibiotics, especially for patients with a history of allergic reactions. However, it is not pertinent to a bone scan, which uses a radioactive tracer rather than antibiotics.
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