Which vision disorder is characterized by pressure on the optic nerve from elevated Intraocular pressure (IOP)?
Glaucoma
Cataracts
Retinal detachment
Retinoblastoma
The Correct Answer is A
A. Glaucoma:
Glaucoma is caused by increased IOP, which damages the optic nerve, leading to vision loss.
B. Cataracts:
Cataracts involve clouding of the lens, not elevated pressure or optic nerve damage.
C. Retinal detachment:
Retinal detachment involves the separation of the retina from underlying tissue, usually resulting from trauma or degeneration, not from pressure.
D. Retinoblastoma:
Retinoblastoma is a malignant tumor of the retina, typically seen in children, unrelated to IOP.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Seizures and dilated (fixed) pupils:
These findings suggest severe neurological injury, such as brain herniation, not a TIA.
B. Double-vision and disorientation:
TIA often presents with neurological deficits like visual disturbances (double vision), disorientation, weakness, and slurred speech, which resolve within 24 hours.
C. Tinnitus and Diarrhea:
These symptoms are not typical for TIA; tinnitus relates to ear problems, and diarrhea relates to GI issues.
D. Clear speech and 2+ deep tendon reflex response:
Correct Answer is B
Explanation
A. Crescent-shaped red blood cells and missing wisdom teeth:
Crescent-shaped red blood cells are characteristic of sickle cell anemia, not Down syndrome.
B. Flattened nose and a single palmar crease on the hands:
Typical features of Down syndrome include flattened facial features, epicanthal folds, and a single palmar (Simian) crease.
C. Hypertension and hypertonia:
Children with Down syndrome often have hypotonia (low muscle tone), not hypertonia or hypertension.
D. Widened eyes and a long neck:
While individuals with Down syndrome can have upward slanting eyes, a long neck is not a typical feature.
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