CCHT Exam: Certified Clinical Hemodialysis Technician Practice Test

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CCHT Dialysis Exam Latest 2025

What factors decrease K .....ANSWER.....Incorrxr pump speed,

low BFR

Factors that influence V .....ANSWER.....Height, weight, age,

amputation, sex

BFR for 17G needle .....ANSWER.....200-250

BFR for 16G needle .....ANSWER.....250-350

BFR FOR 15G needle .....ANSWER.....350-450

BFR for 14g needle .....ANSWER.....>450

Post BUN lab draw steps .....ANSWER.....Turn off UF, bring down

dialysate flow rate to 50, wait 15 seconds, obtain sample form

arterial port

False KT/v (increase) .....ANSWER.....BFR not decreased, did not

wait 15 seconds before drawing, drew from venous line

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Low KT/V causes .....ANSWER.....Diluted sample(saline)

Why is weight and BP important when monitoring AKI patients

.....ANSWER.....Keep them wet so they don't dry out!

AKI hypotensionepisodes due to .....ANSWER.....Less blood flow

going to the kidneys causing ischemia

Why is it important to know what caused PT chronic renal failure?

.....ANSWER.....So we can treat complications and zone in on

things during data collection

When is a pre-treatment assessment by the licensed nurse

required? .....ANSWER.....AKI patients or state mandate

DQI purpose .....ANSWER.....A way for facilities to measure

performance to improve our Pt quality of life

When is it okay for a PT to be released from TX

.....ANSWER.....Evaluate effectiveness of the Tx, and compare pre

Tx to post Tx

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4 reasons why we document on a medical record

.....ANSWER.....1. Proof care was rendered

2. Provides data continuity

3. Permanent legal record

4. Communication tool

When to chart .....ANSWER.....Medication given, and Pt response

Times for documentation .....ANSWER.....Pre and post tx

REM may be seen on the test as .....ANSWER.....AOR

Consequence of sodium overloading .....ANSWER.....Increased

thirst, increased fluid weight gain, higher UF rate, more

hypotension

Foods high in phosphorus .....ANSWER.....Chocolate, dairy

products, legumes, dark pop

Binders work by .....ANSWER.....Prevention of absorption in the

gut(remember magnet)

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Diffusion .....ANSWER.....Higher to lower concentration (down)

Osmosis .....ANSWER.....Lower to higher, opposite of diffusion

Movement of bicarb from dialysate to blood

.....ANSWER.....Helps normalize body's PH

Bicarb in dialysate acts as a .....ANSWER.....BUFFER

Excretory Functions of Kidney(to get rid of)

.....ANSWER.....Normalizing electrolytes, removing waste and

fluid

Conditions for coverage .....ANSWER.....A CMS regulation that

the dialysis provider must meet

A surveyor sees a covered vascular access, and this can result in

a .....ANSWER.....IJ(immediate jeopardy)

What precautions do you take when handling lab specimens

.....ANSWER.....Universal precautions(everything is infectious)

Lavender tubes .....ANSWER.....Inverted, no clotting, no shaking