The nurse is reviewing in age-related changes in the eye for a class. Which of these physiologic changes is responsible for presbyopia?

Decreased adaptation to darkness

Loss of lens elasticity

Decreased distance vision abilities

Degeneration of the cornea

Answer and Explanation

The Correct Answer is B

A. Decreased adaptation to darkness: This change is related to decreased rod function but is not responsible for presbyopia.

B. Loss of lens elasticity: Correct. Presbyopia is caused by the age-related loss of elasticity in the lens, which reduces the ability to focus on near objects.

C. Decreased distance vision abilities: This may occur with other conditions like myopia but does not cause presbyopia.

D. Degeneration of the cornea: This can affect vision but is not responsible for presbyopia.

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Correct Answer is A

Explanation

A. Rosenbaum card: Holding reading material at approximately 18 inches from the face suggests that the client has near vision sufficient to perform well on a Rosenbaum test, which evaluates near visual acuity.

B. Stroke: Difficulty reading instructions is not necessarily indicative of a stroke.

C. Visual acuity: While they may not need immediate testing, their near vision appears adequate.

D. Understands procedure: While reading aloud may indicate comprehension, the focus here is on their visual ability.

A. High-pitched, tinkling sounds B. Normal bowel sound C. Hypoactive bowel sounds D. Hyperactive bowel sounds

Correct Answer is C

Explanation

A. High-pitched, tinkling sounds: These may indicate bowel obstruction, not expected immediately after surgery.
B. Normal bowel sounds: Normal bowel sounds usually return gradually after surgery, but are unlikely within the first 24 hours.
C. Hypoactive bowel sounds: It is common to hear hypoactive or diminished bowel sounds in the first 24-48 hours after abdominal surgery due to postoperative ileus.
D. Hyperactive bowel sounds: These suggest increased peristalsis and are not typical immediately after surgery.

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The nurse is reviewing in age-related changes in the eye for a class. Which of these physiologic changes is responsible for presbyopia?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is C

Explanation

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