preanalytical precautions
Specimens must have the following identification information
waht is Patient's full name and date of birth, date of collection, Phlebotomist's initials, and time of collection
This condition involves the appearance of small red or purple spots that resemble rashes on the arm when a tourniquet is applied.
What is Petechiae
What does TAT stand for and mean?
What is Turnaround Time
The time it takes for blood specimens to be ordered, collected, transported, processed, analyzed, and a result reported
What common lab test requires transportation at room temperature?
What is
-Cold agglutinins
- Cryofibrinogen
- Cryoglobulins
Tests performed in this department include WBC counts, RBC counts, CBC, hemoglobin, hematocrit (Hct), RBC indices, and platelet counts.
Hematology Section
How long do you wait for a blood serum sample to clot before centrifugation?
What is 30-60 minutes
In the hazardous labeling system developed by the NFPA, the blue quadrant of the diamond indicates a:
a.
flammability hazard
b.
health hazard
c.
specific hazard
d.
instability hazard
health hazard
What is QC?
Quality Control
What does photosensitive mean? What are common lab tests?
What is sensitive to light and will decompose after exposure to bright light.
Lab Tests:
- Bilirubin (jaundice)
- Beta-carotene
- Folate
- Vitamin A & B6
The most commonly performed tests in this department include blood glucose, metabolic panels, electrolytes (sodium, potassium, and chloride), and lactic acid, etc.
Chemistry Section
Refers to the resting metabolic state of the body early in the morning after fasting for a minimum of 12 hours
What is Basal State
According to the hazard labeling system developed by NFPA, the yellow quadrant of the diamond indicates
a(n):
a.
flammability hazard
b.
health hazard
c.
instability hazard
d.
specific hazard
c.
instability hazard
What is the name of the blood vessels that carry blood back from the lungs to the heart.
Pulmonary Veins
How should you transport photosensitive specimens?
What is
commercially available ambe tube
brown biohazard bags
specimen tube wrapped in aluminum foil
The preanalytical or preexamination phase of the testing process begins when
What is the test is ordered by a patient's physician
If a health care provider has a chemical spilled on him or her, he or she should immediately
Flush the affected area with large amounts of water for at least 15 to 20 minutes.
Icteric
What is related to jaundice, the yellowing color in serum?
A specimen should be in an ice slurry for which of the following analyses if there is a significant delivery delay?
a) complete blood count (CBC)
b) bilirubin level
c) blood gases
d) glucose level
What is c) blood gases
What are the common tests the EDTA tubes are used for?
CBC, ESR, A1C
The four locations in which a venipuncture is performed in the arm? (In order of first option to last option)
Median Cubital
Cephalic
Dorsal
Basillic
Class C fires are:
a.
electrical fires
b.
chemical fires
c.
wood fires
d.
paper fires
a.
electrical fires
The difference between a timed test and routine testing
Timed- Specimen drawn at a specific time of the day (e.g., GTT)
Routine- No time requirement, drawn at any time of the day (Lactic acid, HIV, PT)
Special handling for cold agglutinins requires keeping the tubes?
what is 37°C.
Which chemistry tests can't be drawn in the green heparin stat testing tubes?
what is HCG, HIV, Cortisol, Vitamin D