A nurse is assessing the pupil size in a patient and can expect which one as an expected finding?

2 mm

6 mm

8mm

4 mm

Answer and Explanation

The Correct Answer is D

A) 2 mm: A pupil size of 2 mm would be considered small and is generally indicative of miosis, which can occur due to certain medications, increased intracranial pressure, or other factors. A size of 2 mm is not typically expected as a normal finding for pupil size in healthy individuals.

B) 6 mm: While 6 mm is within the upper normal range for pupil size, it is on the larger end. Pupils usually range from 3 mm to 6 mm in size under normal lighting conditions. However, pupils dilating to 6 mm can occur in response to low light conditions or sympathetic stimulation.

C) 8 mm: A pupil size of 8 mm would be considered dilated (mydriasis) and is abnormal under normal lighting conditions. Such a large pupil may suggest conditions like drug use, neurological issues, or other medical concerns that need to be assessed.

D) 4 mm: A pupil size of 4 mm is considered a normal and expected finding under standard lighting conditions. It falls within the typical range for adult pupil size and reflects a healthy, functional response to ambient light conditions. This size is within the commonly observed range for normal pupils.

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Correct Answer is A

Explanation

A) Hyperopia: Hyperopia, also known as farsightedness, is a refractive error where distant objects can be seen clearly, but close objects appear blurry. This condition occurs when the eyeball is too short or the cornea has too little curvature, causing light entering the eye to focus behind the retina. People with hyperopia often experience difficulty reading or seeing objects up close but can see distant objects more clearly.

B) Myopia: Myopia, or nearsightedness, is the opposite of hyperopia. It is a refractive error where nearby objects are seen clearly, but distant objects appear blurry. This occurs when the eyeball is too long or the cornea has too much curvature, causing light to focus in front of the retina. Myopia affects distance vision, not close vision.

C) Mydriasis: Mydriasis refers to the dilation of the pupils, which can occur as a result of various factors, including certain medications, lighting conditions, or neurological issues. It is not related to the refractive errors such as farsightedness or nearsightedness and does not describe a condition involving clarity of vision at different distances.

D) Miosis: Miosis is the opposite of mydriasis and refers to the constriction of the pupils. It typically occurs in response to bright light or certain medications. Like mydriasis, miosis is not related to refractive errors or the clarity of vision at different distances, and does not describe farsightedness.

A. Pterygium B. Ptosis C. Exophthalmos D. Ectropion

Correct Answer is C

Explanation

A) Pterygium: A pterygium is a benign growth of tissue on the conjunctiva that can extend onto the cornea. It typically appears as a fleshy, triangular-shaped tissue that can cause irritation or vision problems if it grows large enough. However, it does not involve protrusion of the eyeballs and is unrelated to the condition described in the question.

B) Ptosis: Ptosis refers to the drooping or sagging of the upper eyelid, often due to weakness of the eyelid muscles or nerve damage. It can impair vision by obstructing the visual field, but it does not describe protrusion of the eyeballs, as indicated in the question. Ptosis involves the eyelids, not the position of the eyeball itself.

C) Exophthalmos: Exophthalmos is the term for the abnormal protrusion or bulging of both eyeballs. It is most commonly associated with thyroid eye disease, particularly in conditions such as Graves' disease. The eyes appear to bulge outward due to inflammation or swelling of the tissues behind the eyes. This condition can affect vision and cause discomfort, and it is the correct term for the abnormality described in the question.

D) Ectropion: Ectropion is a condition in which the lower eyelid turns outward, exposing the inner surface of the eyelid. This can lead to irritation, dryness, and potential damage to the cornea. Ectropion does not involve protrusion of the eyeballs, and it is unrelated to the condition described in the question.

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A nurse is assessing the pupil size in a patient and can expect which one as an expected finding?

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Correct Answer is A

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Correct Answer is C

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