CHT Certified Hemodialysis Technologist/Technician 3

Question 1

The Kt/V adequacy target for thrice-weekly hemodialysis per KDOQI guidelines is at least:

Accepted Answer

1.2

Answer

KDOQI guidelines recommend a minimum single-pool Kt/V of 1.2 for thrice-weekly hemodialysis treatments.

Question 2

Which action should a technician take FIRST upon discovering a patient has a clotted dialyzer mid-treatment?

Accepted Answer

Notify the supervising nurse or physician

Answer

Clotting mid-treatment is a clinical complication requiring immediate nurse or physician notification before any intervention.

Question 3

Hard water syndrome in dialysis is caused by:

Accepted Answer

Inadequate water treatment allowing calcium and magnesium into dialysate

Answer

Hard water syndrome occurs when water softening fails, allowing excess calcium and magnesium to enter dialysate and causing nausea, hypotension, and burning sensations.

Question 4

Which needle gauge is most commonly used for cannulating an arteriovenous fistula?

Accepted Answer

16-gauge

Answer

16-gauge needles are standard for AVF cannulation, balancing adequate blood flow rates with minimal vessel trauma.

Question 5

Reverse osmosis (RO) in water treatment works primarily by:

Accepted Answer

Forcing water through a semi-permeable membrane under pressure

Answer

RO forces water under high pressure through a membrane that blocks dissolved salts, bacteria, and most contaminants.

Certified Hemodialysis Technologist/Technician Exam Practice Test

Certified Hemodialysis Technologist/Technician Exam Practice Test

CHT Certified Hemodialysis Technologist/Technician 3