Free COT JCAHPO Questions and Answers

Question 1

Phacoemulsification makes use of which type of waves?

Accepted Answer

Ultrasound waves

Answer

Ultraviolet waves

Answer

Infrared waves

Answer

Radio waves

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

Answer

Wearing gloves

Answer

Frequent hand washing

Question 3

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

Accepted Answer

Cut and paste technique

Answer

Chip and flip technique

Answer

Divide and conquer technique

Answer

Stop and chop technique

Answer

Direct chop technique

Question 4

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

Accepted Answer

Intraocular foreign body removal

Answer

Incision and Curettage of Chalazion

Answer

Corneal foreign body removal

Answer

Lacrimal syringing

Question 5

Which of these materials cannot be sterilized using autoclave?

Accepted Answer

Latex

Answer

Nylon

Answer

Polyester

Answer

Silicone

Question 6

Which is the best knife for making a clear corneal tunnel in phacoemulsification?

Accepted Answer

Diamond knife

Answer

Stainless steel knife

Answer

Brass coated knife

Answer

Titanium knife

Question 7

An ophthalmic technician must be familiar with the three positions of the foot pedal of the phacoemulsification machine based on the sound.
The positions denote:

Accepted Answer

1) irrigation, 2) aspiration, 3) phacoemulsification

Answer

1) irrigation, 2) aspiration, 3) polishing

Answer

1) irrigation, 2) aspiration, 3) diathermy

Answer

1) irrigation, 2) aspiration, 3) surge

Question 8

Which is the most ideal irrigating fluid for cataract surgery by phacoemulsification?

Accepted Answer

Balanced salt solution

Answer

Normal saline

Answer

Ringer lactate

Answer

Dextrose normal saline

Question 9

Proper sterilization of all surgical instruments is part of what strategy?

Accepted Answer

Aseptic technique

Answer

Scrubbing

Answer

Septic technique

Answer

Universal precautions

Question 10

An instrument that can sterilize surgical implements through the use of pressurized steam is known as a(n)

Accepted Answer

autoclave.

Answer

keratome.

Answer

tonometer.

Answer

curet.