The nurse is preparing to assess a client's near vision. The nurse would use which piece of equipment for the assessment?

Snellen chart

Penlight

Magazine

Ophthalmoscope

Answer and Explanation

The Correct Answer is C

A) Snellen chart:

The Snellen chart is used to assess distance vision, not near vision. It consists of letters or symbols arranged in rows, with the client typically asked to read from a specific distance to test visual acuity.

B) Penlight:

A penlight is primarily used to assess pupillary reactions and near vision tasks such as accommodation. It helps examine how the pupils respond to light and how well the eyes focus on near objects.

C) Magazine:

A magazine or similar reading material is commonly used to assess near vision. Clients are asked to read the text at a comfortable distance, evaluating their ability to focus on close-up objects and the clarity of their vision.

D) Ophthalmoscope:

An ophthalmoscope is used to examine the interior structures of the eye, such as the retina and optic nerve head. It is not used for assessing near vision but rather for diagnosing conditions affecting the eye's internal structures.

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Correct Answer is A

Explanation

A) Eye turning inward:

Esotropia is a condition where one or both eyes turn inward, leading to misalignment. This inward turning can cause double vision, depth perception issues, and sometimes amblyopia (lazy eye) if not treated early. This is the primary characteristic that defines esotropia.

B) Eye malalignment:

While eye malalignment is a general term that can describe conditions like esotropia, exotropia, or hypertropia, it does not specify the direction of the misalignment. Esotropia specifically refers to inward turning of the eye, which is a more precise description of the condition.

C) Eye oscillating:

Eye oscillation refers to nystagmus, which is a condition characterized by repetitive, uncontrolled movements of the eyes, often resulting in reduced vision. Nystagmus is not related to esotropia, which involves inward turning rather than oscillation.

D) Eye turning outward:

Eye turning outward is known as exotropia, which is the opposite of esotropia. Exotropia involves the eyes turning away from the nose, whereas esotropia involves the eyes turning towards the nose. These are distinct conditions with different clinical presentations.

A. Soles of the feet B. Oral mucosa C. Ear lobes D. Conjunctivae

Correct Answer is B

Explanation

(a) Soles of the feet:

The soles of the feet are not considered the most reliable indicator of central cyanosis because peripheral areas can be affected by various factors, including temperature and circulation. Changes in color here might not accurately reflect central oxygenation status.

(b) Oral mucosa:

The oral mucosa is the most reliable indicator of central cyanosis because it reflects the oxygenation status of the central circulatory system. Cyanosis in this area indicates a significant drop in arterial oxygen saturation and is a more direct indicator of hypoxemia compared to peripheral sites.

Ear lobes, like the soles of the feet, can be influenced by peripheral circulation and environmental factors. While cyanosis can be observed here, it is not as reliable as central sites like the oral mucosa for assessing systemic oxygenation.

(d) Conjunctivae:

The conjunctivae can show signs of cyanosis, but the oral mucosa is still a more sensitive and reliable indicator for central cyanosis. The oral mucosa provides a clear and consistent site to assess oxygenation in emergency situations.

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The nurse is preparing to assess a client's near vision. The nurse would use which piece of equipment for the assessment?

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