A nurse is caring for a patient diagnosed with cataracts. What cue is consistent with this diagnosis during the inspection of the eyes?
pupil constriction
cloudiness in the iris
redness in the sclera
cloudiness in the lens
The Correct Answer is D
A) Pupil constriction: Pupil constriction (miosis) is not a typical sign of cataracts. Cataracts usually cause blurred or cloudy vision due to the clouding of the lens. Pupil constriction may occur in other conditions, such as in response to certain medications or neurological changes, but it is not associated with cataracts.
B) Cloudiness in the iris: The iris is the colored part of the eye that controls the size of the pupil. While cataracts affect vision, they typically involve the lens rather than the iris. Cloudiness in the iris could indicate other conditions, such as inflammation or infection, but it is not a characteristic of cataracts.
C) Redness in the sclera: Redness in the sclera (the white part of the eye) is usually caused by irritation, infection, or injury, such as conjunctivitis or subconjunctival hemorrhage. It is not a typical sign of cataracts, which primarily affect the lens and do not typically cause changes to the sclera.
D) Cloudiness in the lens: Cataracts are characterized by the clouding of the lens, which can result in blurry, hazy, or diminished vision. This cloudiness is visible during an eye examination, typically as a white or grayish opacity in the lens. This is the most consistent finding with cataracts.
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Related Questions
Correct Answer is D
Explanation
A) Ptosis: Ptosis refers to the drooping of the upper eyelid, often caused by muscle weakness or nerve damage. It does not describe the condition of unequal pupil sizes, which is the issue in the question. Ptosis affects eyelid position, not the pupil size.
B) Strabismus: Strabismus refers to the misalignment of the eyes, where they do not look in the same direction. This condition can cause one eye to turn inward, outward, upward, or downward, but it does not relate to unequal pupil size. Strabismus is a misalignment issue rather than a size discrepancy of the pupils.
C) Exophthalmos: Exophthalmos refers to the protrusion of the eyeballs, which can occur in conditions like Graves' disease. It does not pertain to unequal pupil sizes, but rather to the positioning of the eyes themselves.
D) Anisocoria: Anisocoria is the term used to describe a condition in which the pupils are unequal in size. This condition can be physiological (normal for some individuals) or pathological, and it can result from various causes such as neurological issues, trauma, or certain medications. This is the appropriate term to document when noting unequal pupil sizes.
Correct Answer is ["B","C"]
Explanation
A) Acromegaly: Acromegaly is a condition caused by excess growth hormone, leading to enlargement of bones and tissues, particularly in the hands, feet, and face. While facial features can appear more pronounced due to bone growth, acromegaly itself does not cause facial drooping as a prominent symptom. The condition does not typically present with the sudden onset of facial weakness or asymmetry associated with drooping.
B) Bell’s Palsy: Bell’s Palsy is a disorder that affects the facial nerve, leading to sudden, unilateral facial drooping or paralysis. It is often caused by inflammation of the facial nerve, and facial drooping is one of its hallmark symptoms. It usually occurs on one side of the face, causing weakness or loss of muscle tone, leading to the drooping appearance.
C) CVA (Cerebrovascular Accident): A CVA, or stroke, can result in facial drooping, typically on one side of the face, if the stroke affects areas of the brain controlling facial muscles. A common sign of a stroke is the sudden development of facial asymmetry, including drooping of the mouth or eyelid. It is an important symptom to monitor in assessing neurological function following a stroke.
D) Parkinson’s Disease: Parkinson’s disease can cause facial changes, such as reduced blinking and a "masked" appearance, but it does not typically cause facial drooping in the same way that Bell's Palsy or a CVA would. Parkinson’s-related facial changes stem from reduced movement rather than sudden weakness or paralysis of the facial muscles. While facial expression can be diminished, true drooping is less common.
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