Which refractive error describes the vision of a patient for whom nearby objects are clear but objects at a distance are blurred?

Hyperopia.

Myopia

Astigmatism

Presbyopia

Answer and Explanation

The Correct Answer is B

A.   Hyperopia (farsightedness) causes difficulty seeing close objects.
B.   Myopia, or nearsightedness, causes difficulty seeing distant objects clearly while nearby objects remain clear.
C.   Astigmatism results in blurred vision at all distances due to an irregularly shaped cornea.
D.   Presbyopia is age-related difficulty in focusing on near objects due to lens rigidity.

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Correct Answer is B

Explanation

A. Increased ICP would be a concern when the MAP falls below 70 mm Hg because reduced blood pressure can lead to inadequate cerebral blood flow and worsen ICP.
B. Decreased cerebral blood flow (CBF) is also a concern with low MAP, but the priority is maintaining MAP at a sufficient level to ensure adequate perfusion.
C. Increased CPP is unlikely with a low MAP, as CPP is a product of MAP and ICP.
D. Normal ICP would be a good outcome; however, with a low MAP, the nurse should be concerned about insufficient cerebral perfusion and the risk of increased ICP.

A. An ICP of 10 mm HG B. An ICP of 15 mm HG C. An ICP of 20 mm HG D. An ICP of 5 mm HG

Correct Answer is C

Explanation

A. An ICP of 10 mm HG is within normal limits.
B. An ICP of 15 mm HG is within normal limits.
C. An ICP of 20 mm Hg is elevated and should be reported immediately as it can indicate worsening conditions like brain swelling or herniation. Normal ICP is typically 5 to 15 mm Hg.
D. An ICP of 5 mm HG is also normal and would not require immediate reporting.

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Which refractive error describes the vision of a patient for whom nearby objects are clear but objects at a distance are blurred?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which outcome would concern the nurse when the patient's calculated mean arterial pressure (MAP) is below 70 mm Hg?

Correct Answer is B

Explanation

For the patient after a craniotomy, which intracranial pressure (ICP) reading would the nurse report immediately to the healthcare provider?

Correct Answer is C

Explanation

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