CNA Basic Nursing Skills 20 2

Question 1

When collecting a clean-catch urine specimen, what instruction should the CNA give the resident?

Accepted Answer

Clean the urethral area, begin urinating into the toilet, then collect the midstream urine in the container

Answer

Collect the first portion of urine in the container

Answer

Collect the last portion of urine only

Answer

Use any method that is most convenient for the resident

Question 2

A 24-hour urine collection has begun. A resident urinated but the CNA forgot to collect it. What should the CNA do?

Accepted Answer

Discard all collected urine and restart the 24-hour collection, notifying the nurse

Answer

Continue collecting from the next void without telling anyone

Answer

Add more water to the collection bottle to compensate

Answer

Estimate the amount missed and add water to the bottle

Question 3

How should a stool specimen be collected?

Accepted Answer

Have the resident defecate into a clean container or hat, then transfer a small amount using the applicator provided

Answer

Collect from inside the toilet bowl with a tongue depressor

Answer

Collect a full bowel movement and place it in the specimen cup

Answer

Use a sterile needle to aspirate stool from the rectum

Question 4

A resident needs a sputum specimen. When is the best time to collect it?

Accepted Answer

In the morning upon waking, before eating or oral hygiene

Answer

Immediately after a meal

Answer

During afternoon rest time

Answer

After vigorous exercise

Question 5

Which of the following is essential when labeling a specimen before sending it to the laboratory?

Accepted Answer

The resident's full name, date of birth, date and time of collection, and type of specimen

Answer

The CNA's name only

Answer

The time of collection only

Answer

The nurse's name and room number

Question 6

Why must a blood glucose specimen be taken at the scheduled time rather than early or late?

Accepted Answer

Timing relative to meals directly affects glucose levels, so deviations make results uninterpretable

Answer

Blood glucose is only accurate during specific times of the day

Answer

Lab equipment is only available at scheduled times

Answer

The resident's insurance requires specific timing