The nurse is assessing a client with a history of cataracts. Which of the following findings would indicate that the client is experiencing a recurrence?

The client notices definite gaps in vision or blind spots.

The client reports that the visual image is blurred or cloudy.

Tears flow incessantly throughout the examination.

The client’s eyes are red and swollen.

Answer and Explanation

The Correct Answer is B

A cataract is the clouding of the eye’s natural lens, leading to blurred or hazy vision. Clients often describe vision as foggy, cloudy, or like looking through a film. If a client with a history of cataracts reports blurred or cloudy images again, this indicates a recurrence or progression.

Rationale for correct answer:
2. The client reports that the visual image is blurred or cloudy: This is the classic symptom of cataracts, as the lens becomes opaque and prevents clear light refraction.

Rationale for incorrect answers:
1. The client notices definite gaps in vision or blind spots: This is more characteristic of glaucoma or retinal detachment, not cataracts.
3. Tears flow incessantly throughout the examination: Excessive tearing is usually associated with eye irritation, conjunctivitis, or allergies, not cataracts.
4. The client’s eyes are red and swollen: Redness and swelling are signs of infection or inflammation, not cataracts, which are typically painless.

Take home points

Cataracts cause blurred/cloudy vision—the most reliable symptom.
No pain, redness, or tearing with cataracts—these suggest other eye problems.
Gap in vision = glaucoma/retinal issue, not cataracts.

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Correct Answer is C

Explanation

The conjunctiva is a thin, transparent mucous membrane that covers the inner surfaces of the eyelids and the anterior surface of the sclera. It serves as a protective barrier against microorganisms and foreign particles while keeping the eye moist. The conjunctiva contains blood vessels and mucous glands that help maintain eye lubrication and overall ocular health. Understanding its structure is important for assessing conditions like conjunctivitis.

Rationale for correct answer:
3. Transparent mucous membrane lining the eyelids: The conjunctiva is a protective membrane that lines the eyelids and anterior sclera, maintaining moisture and shielding the eye from infection.

Rationale for incorrect answers:
1. Junction of the upper and lower eyelids: This is the palpebral fissure, not the conjunctiva.
2. Point where the optic nerve exits the eyeball: This is the optic disc (blind spot), unrelated to the conjunctiva.
4. Drains tears from the surface of the eye into the lacrimal canals: This describes the puncta and lacrimal drainage system, not the conjunctiva.

Take home points

The conjunctiva is a thin, transparent mucous membrane lining eyelids and covering anterior sclera.
Protects the eye from infection and maintains moisture.
Not involved in tear drainage, optic nerve, or eyelid junctions.

A. Cataracts B. Open-angle glaucoma C. Macular degeneration D. Angle-closure glaucoma

Correct Answer is B

Explanation

Loss of peripheral vision is a classic symptom of open-angle glaucoma, a condition caused by gradual damage to the optic nerve. This occurs when aqueous humor does not drain effectively, leading to increased intraocular pressure. The condition develops slowly, and many clients are unaware until vision changes become significant. Older adults and individuals with diabetes are at higher risk of developing open-angle glaucoma.

Rationale for correct answer:
2. Open-angle glaucoma: Causes a gradual, painless loss of peripheral vision that progresses to tunnel vision if untreated. It is the most common type of glaucoma and is strongly associated with aging and diabetes.

Rationale for incorrect answers:

1. Cataracts: Cause blurred or cloudy vision and sensitivity to glare but do not affect peripheral vision. The vision loss is more generalized.

3. Macular degeneration: Leads to central vision loss, making it hard to read or recognize faces, but peripheral vision remains intact.

4. Angle-closure glaucoma: Presents suddenly with eye pain, halos, headache, and nausea, not gradual peripheral vision loss.

Take home points

Peripheral vision loss → Open-angle glaucoma.
Central vision loss → Macular degeneration.
General cloudy vision → Cataracts.
Sudden painful vision loss → Angle-closure glaucoma.

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The nurse is assessing a client with a history of cataracts. Which of the following findings would indicate that the client is experiencing a recurrence?

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Naxlex Comprehensive Predictor Exams

What accurately describes the conjunctiva?

Correct Answer is C

Explanation

A nurse is caring for an older adult client who has diabetes mellitus. The client reports loss of peripheral vision. For which of the following is the client at risk?

Correct Answer is B

Explanation

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