Free CCHT Technical and Environment Test 1

Question 1

One-half teaspoon of salt is equal to about how many milligrams of sodium?

Accepted Answer

1,150 mg

Answer

100 mg

Answer

500 mg

Answer

1,500 mg

Question 2

A dialysis machine is set up to use 36.1X parts dialysate. If the concentrate proportioning ratio calls for 1.00 part acid and 1.10 parts bicarbonate, how many parts of water are needed?

Accepted Answer

34.0

Answer

36.1

Answer

31.9

Answer

33.0

Question 3

About what percentage of body water is in the intravascular space (inside blood vessels)?

Accepted Answer

10%

Answer

1%

Answer

20%

Answer

70%

Question 4

The mass transfer coefficient of a dialyzer refers to ____________.

Accepted Answer

how well solutes pass through the dialyzer membrane

Answer

the size of the solutes that pass through the dialyzer membrane

Answer

the volume of water that will be removed during dialysis

Answer

the volume of blood that passes through the dialyzer

Question 5

When using an alcohol-based hand rub, the hand rub should be applied to one palm and the hands rubbed together _____________.

Accepted Answer

until dry

Answer

for 5 seconds

Answer

for 15 seconds

Answer

for 30 seconds

Question 6

Choose the correct statement regarding serum abnormalities in renal failure:

Accepted Answer

creatinine, BUN, and phosphorus are elevated

Answer

creatinine BUN creatinine, BUN, and phosphorus are depressed

Answer

calcium and bicarbonate are elevated

Answer

calcium and bicarbonate are depressed

Question 7

Hemodialysis requires a means to channel the patient's blood to the hemodialyzer & then back to the body. It's called:

Accepted Answer

vascular access

Answer

hemodialyzer

Answer

dialyzing fluid delivery system

Answer

infusion pump

Question 8

Which of the following is correct regarding a fistula?

Accepted Answer

Usually created in the forearm, near the wrist

Answer

Usually created in the leg, near the ankle

Answer

Are made of salastic tubing

Answer

None of the above

Question 9

Blood leak detectors are extremely sensitive and can determine:

Accepted Answer

blood leakage immediately

Answer

blood type

Answer

amount of blood loss

Answer

serum potassium levels

Question 10

Which of the following foods are high in potassium?

Accepted Answer

Bananas, tomatoes, oranges

Answer

Milk, ice cream, yogurt

Answer

Legumes, cheese, pizza

Answer

Chips, colas, canned meat