Test 4--Chapter 33 Collecting and Testing Specimens

Question 1

Specimens (samples) are collected and tested to ______, ______, and _____disease

Answer 1

Specimens (samples) are collected and tested to prevent, detect, and treat disease

Question 2

All specimens sent to the laboratory require __________ _________.

Answer 2

All specimens sent to the laboratory require requisition slips

Question 3

Urine samples must not be contaminated with _______.

Answer 3

Urine samples must not be contaminated with feces

Question 4

Why is a random urine specimen collected?

Answer 4

For routine analysis

Question 5

What are the materials needed for collecting a midstream sample?

Answer 5

• A sterile wipe–The perineal area is cleaned before collecting the specimen.
• Sterile gloves are needed.
• A sterile specimen container is needed.

Question 6

What are the procedures for collecting a midstream sample?

Answer 6

• The person starts to void into a receptacle.
• Then the person stops the stream of urine.
• A sterile specimen container is positioned.
• The person voids into the container until the specimen is obtained.
• You may need to position and hold the specimen container in place after the person starts to void.

Question 7

During the collection of a 24 hour urine specimen, where is the sample kept?

Answer 7

Chilled on ice or in the refrigerator

Question 8

The person should begin the test with an empty bladder.

True or False

Answer 8

True

Question 9

What is normal pH for urine?

Answer 9

4.6 to 8.0

acidic to slightly basic

Question 10

When are urine sample that will be tested for glucose or ketones be collected?

Answer 10

•done 30 minutes before each meal and at bedtime (4 times each day).

Question 11

Glycosuria

Answer 11

glucose in the urine

Question 12

hematuria

Answer 12

blood in urine

Question 13

What is the procedure when using reagent strips?

Answer 13

• Do not touch the test area on the strip.
• Dip the strip into the urine.
• Compare the strip with the color chart on the bottle.
• Follow the manufacturer’s instructions

Question 14

Where can a stone develop?

Answer 14

• kidney
• ureter
• bladder

Question 15

Stool samples are collected to test for what 4 things?

Answer 15

• Blood
• Fat
• Microbes
• Worms
• Other abnormal contents

Question 16

˜The stool specimen must not be contaminated with _____.

Answer 16

˜The stool specimen must not be contaminated with urine.

Question 17

What are three common causes of blood in the stool?

Answer 17

• Ulcers,
• colon cancer, and
• hemorrhoids

Question 18

What color is stool where there is bleeding in the stomach or upper GI tract?

Answer 18

black and tarry

Question 19

If bleeding occurs in small amounts and cannot be seen in stool or urine, what is it called?

Answer 19

occult

Question 20

What are studied in sputum samples?

Answer 20

• blood,
• microbes, and
• abnormal cells.

Question 21

˜The person coughs up sputum from the ______ and _______.

Answer 21

˜The person coughs up sputum from the bronchi and trachea.

Question 22

hemoptysis

Answer 22

sputum containing blood

Question 23

Who gets blood glucose tests?

Answer 23

Persons with diabetes

Question 24

What instrument measures blood glucose?

Answer 24

glucometer

Question 25

What instrument is used to draw blood for a glucose test?

Answer 25

lancet

Question 26

If the skin is swollen, bruised, cyanotic (bluish color), scarred, or calloused, should you perform a skin puncture for blood glucose testing?

Answer 26

No

Question 27

Should you use the side of the finger or the center, fleshy part of the finger for blood glucose testing?

Answer 27

Side of the finger

Question 28

To promote self esteem, should you allow patients to collect specimens themselves if possible?

Answer 28

Yes