Ocular Anatomy — Anterior Segment

1 / 10

1. The normal intraocular pressure range is:

1. 5–10 mmHg

2. 25–35 mmHg

3. 22–30 mmHg

4. 10–21 mmHg

2 / 10

2. The sphincter pupillae muscle is innervated by:

1. Sympathetic fibers via the superior cervical ganglion

2. CN VI

3. Parasympathetic fibers via CN III

4. Sympathetic fibers via T1

3 / 10

3. Descemet’s membrane is the basement membrane of:

1. The corneal endothelium

2. The corneal epithelium

3. Bowman's layer

4. The lens epithelium

4 / 10

4. The aqueous humor is produced by:

1. The iris

2. The ciliary body (non-pigmented epithelium)

3. The trabecular meshwork

4. The vitreous body

5 / 10

5. The cornea receives its oxygen supply primarily from:

1. The tear film (atmosphere)

2. The aqueous humor only

3. The limbal blood vessels only

4. The iris blood vessels

6 / 10

6. Which layer of the cornea does NOT regenerate after injury?

1. Epithelium

2. Descemet's membrane

3. Bowman's layer

4. Stroma

7 / 10

7. The lens is held in position by:

1. The vitreous humor directly

2. The iris pigment epithelium

3. The corneal endothelium

4. The zonular fibers (zonules of Zinn)

8 / 10

8. Which structure separates the anterior and posterior chambers of the eye?

1. The cornea

2. The iris

3. The lens

4. The ciliary body

9 / 10

9. The trabecular meshwork is located in:

1. The angle of the anterior chamber

2. The posterior chamber

3. The vitreous space

4. The suprachoroidal space

10 / 10

10. The Canal of Schlemm drains aqueous humor into:

1. The vitreous humor

2. The posterior chamber

3. The episcleral veins

4. The choroid

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