Question 1
During phacoemulsification the surgeon asks for the instrument used to grasp and tear the anterior capsule. The assistant should pass:
Show answer & explanation
Correct answer: B - Utrata forceps
10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.
The OSA exam has 80 questions and runs 1 hour.
These 10 free OSA questions are organized by exam domain, so you can see how each part of the Ophthalmic Surgical Assisting blueprint is tested. Reveal the answer and explanation under each question.
During phacoemulsification the surgeon asks for the instrument used to grasp and tear the anterior capsule. The assistant should pass:
Correct answer: B - Utrata forceps
The PRIMARY advantage of a spatulated needle in corneal and scleral suturing is that it:
Correct answer: A - Passes within the lamellar plane without cutting deeper
A trabeculectomy is under way and the surgeon asks for the instrument used to create the sclerostomy. The assistant should pass the:
Correct answer: C - Kelly Descemet punch
Which povidone-iodine preparation is instilled into the conjunctival cul-de-sac before intraocular surgery?
Correct answer: D - 5% solution
Which portion of a properly donned surgical gown is considered sterile?
Correct answer: B - The sleeve from two inches above the elbow
A patient scheduled for cataract surgery stopped taking tamsulosin two years ago. The surgical team should still anticipate:
Correct answer: D - Intraoperative floppy iris syndrome
During strabismus surgery on a child, traction on the medial rectus drops the heart rate from 92 to 44. The assistant should FIRST:
Correct answer: C - Alert the surgeon to release the muscle
A dispersive viscoelastic is selected during phacoemulsification PRIMARILY to:
Correct answer: C - Coat and protect the corneal endothelium
Eighteen hours after uncomplicated cataract surgery a patient has diffuse limbus-to-limbus corneal edema, minimal pain, and a clear vitreous. This is MOST consistent with:
Correct answer: A - Toxic anterior segment syndrome
During phacoemulsification the anterior chamber shallows, the red reflex is lost, and the globe becomes firm. The team should immediately prepare to:
Correct answer: B - Close the incision
The OSA exam also covers these domains. Drill them in the full free practice test:
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