A patient is diagnosed with Homonymous Hemianopsia. The nurse expects to find what defects in the visual field of this patient:

the patient is unable to see in half of the visual field (same visual field) in each eye

the patient can see from one eye but not through the other one.

the patient is unable to see in half of the visual field (opposite visual field) in each eye

No visual impairment

Answer and Explanation

The Correct Answer is A

a) The patient is unable to see in half of the visual field (same visual field) in each eye:

Homonymous hemianopsia is a condition where there is a loss of vision in the same side of the visual field in both eyes. This occurs due to damage to the visual pathways after the optic chiasm, often from a stroke or brain injury, resulting in the loss of either the right or left visual field in both eyes.

b) The patient can see from one eye but not through the other one:

This description fits a condition called monocular blindness, which is typically caused by damage to the optic nerve before it reaches the optic chiasm. Homonymous hemianopsia involves both eyes and specific visual fields, not complete loss of vision in one eye.

c) The patient is unable to see in half of the visual field (opposite visual field) in each eye:

This option describes bitemporal hemianopsia, which results in loss of vision in the outer (temporal) fields of both eyes and is often due to damage at the optic chiasm. Homonymous hemianopsia involves the same side of the visual field in both eyes, not the opposite visual fields.

d) No visual impairment:

Homonymous hemianopsia is characterized by significant visual impairment, specifically the loss of half the visual field in both eyes on the same side. Therefore, it is incorrect to say there is no visual impairment with this condition.

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Correct Answer is D

Explanation

Exophthalmos:

Exophthalmos, or protruding eyeballs, is typically associated with hyperthyroidism (Graves' disease) rather than hypothyroidism. It results from the accumulation of fluid and swelling behind the eyeballs.

(b) Palpitations:

Palpitations, or rapid heartbeat, are more commonly associated with hyperthyroidism due to the increased metabolic rate and sympathetic nervous system stimulation. In hypothyroidism, bradycardia (slow heart rate) is more likely.

Diaphoresis, or excessive sweating, is not a typical finding in hypothyroidism. It is more commonly associated with conditions that cause autonomic dysfunction or hypermetabolic states.

(d) Weight gain:

Weight gain is a hallmark symptom of hypothyroidism. It occurs due to a slowing down of the metabolic rate, leading to reduced calorie expenditure and potential fluid retention.

A. Acanthosis Nigricans B. Cyanosis C. Jaundice D. Carotenemia

Correct Answer is C

Explanation

A. Acanthosis Nigricans:

Acanthosis nigricans is characterized by dark, velvety patches of skin, often found in body folds such as the neck, armpits, and groin. It does not present as the yellow discoloration seen in the photo.

B. Cyanosis:

Cyanosis is a bluish discoloration of the skin and mucous membranes due to inadequate oxygenation of the blood. The image shows yellow discoloration, not the blue tint associated with cyanosis.

C. Jaundice:

Jaundice is indicated by a yellowish tint to the skin and sclera due to elevated bilirubin levels, commonly associated with liver dysfunction. The photo clearly shows this yellow discoloration, consistent with jaundice, often seen in chronic alcoholics with liver disease.

D. Carotenemia:

Carotenemia presents as a yellow-orange discoloration of the skin, especially on the palms and soles, due to high levels of carotene in the blood. It does not typically affect the sclera, which differentiates it from jaundice. The uniform yellowing of the skin and eyes in the photo aligns more with jaundice.

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A patient is diagnosed with Homonymous Hemianopsia. The nurse expects to find what defects in the visual field of this patient:

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Naxlex Comprehensive Predictor Exams

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Correct Answer is D

Explanation

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Correct Answer is C

Explanation

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