Retinal Detachment Clinical Applications Quiz

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What is the primary location of separation in a retinal detachment?

Between the RPE and the choroid
Between the photoreceptors and Bruch's membrane
Between the RPE and the NFL
Between the RPE and the photoreceptors (correct)

Which glycoproteins are responsible for maintaining the adherence of RPE cells to Bruch's membrane?

Hemoglobin and myoglobin
Collagen and elastin
Fibronectin and laminin (correct)
Albumin and globulin

What can occur if photoreceptors do not receive nutrients from the choroid due to fluid accumulation in the subretinal space during retinal detachment?

Decreased intraocular pressure
Rapid regeneration of photoreceptors
Necrosis of photoreceptors (correct)
Enhanced visual acuity

Which procedure involves using argon laser for treating retinal detachment?

Cryopexy (C) Signup and view all the answers

What type of hemorrhages result from the rupture of superficial precapillary arterioles?

Flame-shaped hemorrhages (C) Signup and view all the answers

Which layer of the retina typically contains dot or blot hemorrhages?

Inner nuclear layer (A) Signup and view all the answers

What is the common cause of Retinal Hard Exudates?

Diabetes (A) Signup and view all the answers

What is a common association with Cotton Wool Spots?

Hypertension (D) Signup and view all the answers

What is the identifying feature of Boat Hemorrhages?

Rupture of large superficial retinal veins (B) Signup and view all the answers

What is the most common cause of Cotton Wool Spots according to the text?

Hypertension (C) Signup and view all the answers

What is the type of residue seen in Retinal Hard Exudates?

Lipid residues (B) Signup and view all the answers

Where are Cotton Wool Spots usually located?

Near optic disc (A) Signup and view all the answers

Which of the following structures are retinal drusen typically located between?

Retinal pigment epithelium and Bruch's membrane (C) Signup and view all the answers

Which condition is associated with the presence of intraluminal plaques, also known as Hollenhorst plaques?

Embolism from cervical carotid atherosclerosis or calcified cardiac valve (A) Signup and view all the answers

What is the characteristic appearance of myelinated nerve fibers on the retina?

Feathery white clump usually connected to the optic disc (B) Signup and view all the answers

Which of the following conditions is NOT associated with retinal vasculitis?

Age-related macular degeneration (D) Signup and view all the answers

What is the characteristic appearance of acute optic disc edema secondary to increased intracranial pressure?

Edema of the optic disc with blurring of margins, covered by cotton wool spots and flame hemorrhages (B) Signup and view all the answers

Which structure is responsible for providing a blood supply to the retina in cases of central retinal artery occlusion (CRAO) with a cilioretinal artery?

Cilioretinal artery (A) Signup and view all the answers

What is the most common cause of boat hemorrhages according to the text?

Sudden increase in intracranial pressure (B) Signup and view all the answers

What is the characteristic appearance of hard exudates as described in the text?

Deep yellow with sharp margins, often circinate (B) Signup and view all the answers

Which of the following conditions is NOT associated with cotton wool spots according to the text?

Glaucoma (B) Signup and view all the answers

What is the primary histopathological feature of cotton wool spots described in the text?

Thickening of the nerve fiber layer (C) Signup and view all the answers

What is the characteristic appearance of retinal hard exudates according to the text?

$ ext{Deep yellow with sharp margins, often circinate}$ (C) Signup and view all the answers

What is the primary cause of the separation between the RPE and the photoreceptors in a retinal detachment?

Lack of intercellular junctions (B) Signup and view all the answers

Which glycoproteins in Bruch's membrane are responsible for maintaining the adherence of RPE cells?

Fibronectin and laminin (D) Signup and view all the answers

What is the common consequence of fluid accumulation in the subretinal space during a retinal detachment?

Necrosis of the photoreceptors (D) Signup and view all the answers

Which layer of the retina is typically the location of dot or blot hemorrhages?

Inner nuclear layer (C) Signup and view all the answers

What is the characteristic appearance of flame-shaped retinal hemorrhages?

Feathered pattern (B) Signup and view all the answers

What is the primary cause of retinal drusen according to the text?

Accumulation of lipids from the retinal pigment epithelium (B) Signup and view all the answers

Which of the following conditions is NOT associated with retinal vasculitis according to the text?

Diabetes mellitus (B) Signup and view all the answers

What is the characteristic appearance of myelinated nerve fibers on the retina described in the text?