COST Aseptic Techniques & Infection Control 5

Question 1

Under the Spaulding classification, how is an applanation tonometer tip categorized?

Accepted Answer

Semicritical

Answer

Tonometer tips touch mucous membranes (the corneal surface), so they are semicritical and need at least high-level disinfection.

Question 2

Which ocular tissues carry the highest risk for transmitting Creutzfeldt-Jakob disease (CJD) prions?

Accepted Answer

Retina and optic nerve

Answer

The retina and optic nerve are neural tissue and are classified as high-infectivity tissue for prions.

Question 3

Which hand hygiene method is required after caring for a patient with Clostridioides difficile?

Accepted Answer

Soap and water handwashing

Answer

Alcohol does not kill C. difficile spores, so washing with soap and water is needed to remove them mechanically.

Question 4

A scrub technologist gets a needlestick from a used instrument. What is the first action?

Accepted Answer

Wash the site with soap and water right away, then report the exposure

Answer

Wash right away and report promptly so post-exposure evaluation and any prophylaxis can start quickly.

Question 5

What does a neutral zone (hands-free technique) achieve in the ophthalmic OR?

Accepted Answer

It avoids hand-to-hand passing of sharps to reduce injuries

Answer

Placing sharps in a designated zone instead of passing them hand to hand reduces percutaneous injuries.

COST - Certified Ophthalmic Surgical Technologist Practice Test