Other Specimens Flashcards
When should urine samples be delivered to the lab?
Within 1 hour of collection, or refrigerate them
Urine-random specimen
screens for metabolic abnormalities
Urine- first morning specimen
8 hour specimen, collected right when patient wakes up
Urine- timed specimen
samples collected over 24 hours combined, discard first morning sample
Urine-midstream clean catch
collected after patient passed first few mL, flushes miscroornagisms out of urethra
Urine-pediatric collection
collected with adhesive plastic bag that fits over genitals
Urine-cathethers
collected by physician, nurse, or medical assistant
Urine-suprapubic aspirations
collected by physician, needle inserted into bladder
Urine-drug testing
random sample via midstream clean catch, container has temp sensitive strip
Fecal-random specimen
used for bacterial cultures, O&P, and fats and fibers
Fecal-72 hour stool specimen
used for quantitative fecal fat determination
Semen specimen
- for if viable sperm are present
- for fertility testing
- for success of vasectomy
Semen collection
- 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
Throat specimen
collected with throat swabs
Nasopharyngeal specimens
used to diagnose upper respiratory tract infections with cotton tipped wire
Sweat electrolyte/chloride specimens
part of diagnosis of cystic fibrosis
CFS
diagnoses central nervous system infections, collected by physician
Amniocentesis
physician collected amniotic fluid to test for genetic disorders
Synovial fluid
from joint spaces
Peritoneal fluid
from abdominal cavity
Pleural fluid
from pleural cavity surrounding lungs
Pericardial fluid
from pericardium
The addition of which preservative allows urine to be stored at room temperature while still providing results comparable to refrigerated urine?
Boric acid
What is the process where is a sweat sample is collected by forearm stimulation with the use of pilocarpine nitrate?
Iontophoresis
The standard urine value for protein is what?
Negative
How much sputum is required for testing in order for the laboratorian to obtain the best result?
A minimum of 3-5 mL
