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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Irritability can be an early sign of increased intracranial pressure (ICP) due to brain dysfunction or pressure on the brainstem.
B. Tachycardia can occur in early shock or in response to pain but is not directly related to increased ICP.
C. Tinnitus (ringing in the ears) is not a primary sign of ICP.
D. Hypotension is typically not associated with increased ICP, which usually causes hypertension.
Correct Answer is C
Explanation
A. Ambulation may worsen the condition as it could increase swelling or spread infection.
B. This may increase swelling and should generally be avoided in cellulitis.
C. This helps to improve circulation and reduce swelling in cellulitis.
D. Wrapping the foot tightly could exacerbate swelling and discomfort.
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