When Three of the Four Alpha Genes Are Deleted, What

question 11

Multiple Choice

When three of the four alpha genes are deleted, what is the disorder known as?

• A) α-thalassemia
• B) β-thalassemia
• C) Hydrops fetalis
• D) Hemoglobin H disease

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Definitions:

Conjunctivitis

An eye condition characterized by inflammation of the outermost layer of the eye and the inner surface of the eyelids, commonly known as pink eye.

Ophthalmoscopy

A procedure for examining the interior structures of the eye, especially the retina, using an instrument called an ophthalmoscope.

Exophthalmometry

The measurement of the protrusion of the eyeball from the orbit, typically performed using an exophthalmometer.

Gonioscopy

A diagnostic procedure to examine the anterior chamber angle of the eye, crucial for diagnosing and managing glaucoma.