FREE COT JCAHPO Questions and Answers

Question 1

Phacoemulsification makes use of which type of waves?

Accepted Answer

Ultrasound waves

Answer

Ultrasound waves are used in phacoemulsification to break the nucleus into smaller fragments for easy removal via a small corneal incision.

Question 2

Which of the following are steps surgical team members can take to avoid spreading infection to the patient?

Accepted Answer

All of the above

Answer

Keeping fingernails short, wearing gloves, and frequent hand washing are all steps surgical team members can take in order to avoid spreading infection to the patient.
Additionally, shoulder-length or longer hair should be held back and anyone with an infection, such as a cold, should exclude themselves from any surgical procedures until they have recovered.

Question 3

Which one of the following is NOT a technique for nucleus removal in phacoemulsification?

Accepted Answer

Cut and paste technique

Answer

A scrub technician must be familiar with the names of the different techniques used in Phacoemulsification, as the machine settings are different in each and the operating surgeon often needs help from the scrub technician for changing parameters during surgery.
Chip and flip, divide and conquer, stop and chop and direct chop are all techniques used for phacoemulsification.

Question 4

Which of the following is NOT a minor procedure in ophthalmology?

Accepted Answer

Intraocular foreign body removal

Answer

Intraocular foreign body removal must be attempted under anesthesia (general or local, depending on the age of the patient and patient willingness) and must be performed under an operating microscope in the major operating theatre.
A scrub technician must be aware of the list of minor procedures and the list of instruments to be kept ready.

Question 5

Which of these materials cannot be sterilized using autoclave?

Accepted Answer

Latex

Answer

Before putting things in the autoclave machine it must be verified whether they are safe enough to be put inside.
Some materials, such as latex, polyethylene, acrylic, and PVC cannot be put inside an autoclave machine because of the risk of melting or damage.

COT - Certified Ophthalmic Technician Practice Test

COT - Certified Ophthalmic Technician Practice Test

FREE COT JCAHPO Questions and Answers