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Which vision disorder is characterized by pressure on the optic nerve from elevated Intraocular pressure (IOP)?

A.

Glaucoma

B.

Cataracts

C.

Retinal detachment

D.

Retinoblastoma

Answer and Explanation

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.


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Related Questions

Correct Answer is C

Explanation

A. Breast cancer:

Cryoablation is not a first-line treatment for breast cancer, though it may be used in some instances for specific benign breast conditions or small, early-stage tumors.

B. Testicular cancer:

Cryoablation is not typically used for testicular cancer. Surgical removal or chemotherapy are more common treatments.

C. Prostate cancer:

Cryoablation (or cryosurgery) is sometimes used to treat prostate cancer, especially for localized cancers, by freezing and destroying cancer cells.

D. Ovarian cancer:

Ovarian cancer is treated with surgery, chemotherapy, or targeted therapy, but not with cryoablation.

Correct Answer is B

Explanation

A. The kidney and a portion of the bladder:

This removal describes procedures like radical cystectomy, not simple nephrectomy.

B. The kidney in its entirety:

A simple nephrectomy involves removing only the kidney (not adrenal gland, bladder, or lymph nodes).

C. Cancer within the kidney and some tissue around the cancer:

This describes a partial nephrectomy.

D. The kidney, the adrenal gland, and some surrounding tissue:

This describes a radical nephrectomy, not a simple nephrectomy.

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