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 A

Explanation

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.

A. Reduce edema of the brain. B. Increase cell size in the brain. C. Provide fluid hydration. D. Expand extracellular fluid volume.

Correct Answer is A

Explanation

A. Osmotic diuretics, such as mannitol, help reduce cerebral edema by drawing fluid out of the brain.
B. Osmotic diuretics do not increase cell size.
C. The goal of osmotic diuretics is not to provide fluid hydration.
D. The medication does not expand extracellular fluid volume; it reduces it.

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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

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?

Correct Answer is A

Explanation

A nurse is preparing to administer an osmotic diuretic IV to a client with increased intracranial pressure. Which of the following should the nurse identify as the purpose of the medication?

Correct Answer is A

Explanation

Which term would the nurse use to document a patient who is comatose from a head injury and display flexion of the arms, wrists, and fingers, as well as adduction of the upper extremities?

A nurse is performing a home safety assessment for a client who has experienced a stroke. Which of the following findings are a safety hazards for the client?

Which statement is accurate about the recommendations for BP management after an ischemic stroke?

A nurse is assessing a client who has meningitis. Which of the following findings should the nurse expect?

A nurse is instructing a client's family members about feeding safety for a client who has dysphagia following a stroke. Which of the following instructions should the nurse include?

A nurse is teaching about risk factors for developing a stroke with a group of older adult clients. Which of the following nonmodifiable risk factors should the nurse include?

Which medical condition places a patient at a higher risk for an embolic stroke?

A nurse in a long-term care facility is caring for an older adult client who had a stroke 4 weeks ago and who is unable to move independently. The nurse should monitor for which of the following complications of immobility?