A hapten is antigenic when coupled with what
Carrier protein
Beta HCG tumor marker
Testes
pbt has just completed centriuging specimens for the chemistry department and notes that one of the tubes is cloudy and pinkish red. This specimen is
lipemic and hemolyzed
health maintenance organization (HMO)
functions as a full-service outpatient clinic
A blood specimen is requested from a patient suspected of having septicemia. Which of the following substances should the phlebotomist use to clean the venipuncture site
Saline and iodine
The strength with which a multivalent antibody binds with a multivalent antigen is termed what
Avidity
What serum constituent will be unstable if left at room temperature for 8 hours before centrifugation and processing?
Glucose
this test will be delivered to immunology for testing
RPR
A STAT specimen:
Must be collected and tested immediately
Cerebral spinal fluid (CSF) is manufactured in the:
Meninges of the brain
CEA tumor marker
Colon
What percentage of sodium hypochlorite is recommended as a routine laboratory disinfectant?
10%
physician calls the lab requesting the procedure for a patient who wishes to donate his own blood before his surgery. this type of donation is knowns as:
Autologous donation
When collecting blood from an infant or neonate, the best site for a skin puncture is:
The medial or lateral section of the foot
To prevent blood from clotting in an indwelling line, which of the following substances may be flushed through the line
Saline or heparin
PSA tumor marker
Prostate
A blood bank is also referred to as
Immunohematology
the basic purpose of the chemistry department
analysis of the chemical components of blood
What g value and minimum time are used in a centrifuge to effect good separation of clotted blood from serum?
1000 rpm for 10 minutes
The surgery unit collects a blood specimen for routine chemistry testing and immediately places the specimen on ice. A phlebotomist who just happens to be in the unit is asked to take the sample to the laboratory. The phlebotomist accepts the sample and takes it to the laboratory before looking at the corresponding request. The phlebotomist should
Request a repeat sample submitted at room temperature
Alpha fetoprotein tumor marker
Liver
the pbt has orders to draw a K+ on a patient awaiting dialysis and proceeds to the following division:
Nephrology
pbt is processing speciments received for lead testing and is preparing them to be delivered to which departments?
toxicology
Obese patients may be difficult to draw because their veins can be more difficult to palpate. Excessive probing by the phlebotomist may:
Release some tissue clotting factors
A fingerstick is performed and blood flow is minimal. To increase the flow of blood from the site the phlebotomist should
Milk the finger