Other Specimens

Question 1

When should urine samples be delivered to the lab?

Answer 1

Within 1 hour of collection, or refrigerate them

Question 2

Urine-random specimen

Answer 2

screens for metabolic abnormalities

Question 3

Urine- first morning specimen

Answer 3

8 hour specimen, collected right when patient wakes up

Question 4

Urine- timed specimen

Answer 4

samples collected over 24 hours combined, discard first morning sample

Question 5

Urine-midstream clean catch

Answer 5

collected after patient passed first few mL, flushes miscroornagisms out of urethra

Question 6

Urine-pediatric collection

Answer 6

collected with adhesive plastic bag that fits over genitals

Question 7

Urine-cathethers

Answer 7

collected by physician, nurse, or medical assistant

Question 8

Urine-suprapubic aspirations

Answer 8

collected by physician, needle inserted into bladder

Question 9

Urine-drug testing

Answer 9

random sample via midstream clean catch, container has temp sensitive strip

Question 10

Fecal-random specimen

Answer 10

used for bacterial cultures, O&P, and fats and fibers

Question 11

Fecal-72 hour stool specimen

Answer 11

used for quantitative fecal fat determination

Question 12

Semen specimen

Answer 12

• for if viable sperm are present
• for fertility testing
• for success of vasectomy

Question 13

Semen collection

Answer 13

• avoid ejaculation 3 days before collection
• time of collection should be documented
• report if partial or complete for volume
• sample should be kept close to body temp and delivered within 30 minutes

Question 14

Throat specimen

Answer 14

collected with throat swabs

Question 15

Nasopharyngeal specimens

Answer 15

used to diagnose upper respiratory tract infections with cotton tipped wire

Question 16

Sweat electrolyte/chloride specimens

Answer 16

part of diagnosis of cystic fibrosis

Question 17

CFS

Answer 17

diagnoses central nervous system infections, collected by physician

Question 18

Amniocentesis

Answer 18

physician collected amniotic fluid to test for genetic disorders

Question 19

Synovial fluid

Answer 19

from joint spaces

Question 20

Peritoneal fluid

Answer 20

from abdominal cavity

Question 21

Pleural fluid

Answer 21

from pleural cavity surrounding lungs

Question 22

Pericardial fluid

Answer 22

from pericardium

Question 23

The addition of which preservative allows urine to be stored at room temperature while still providing results comparable to refrigerated urine?

Answer 23

Boric acid

Question 24

What is the process where is a sweat sample is collected by forearm stimulation with the use of pilocarpine nitrate?

Answer 24

Iontophoresis

Question 25

The standard urine value for protein is what?

Answer 25

Negative

Question 26

How much sputum is required for testing in order for the laboratorian to obtain the best result?

Answer 26

A minimum of 3-5 mL