test question review
What is the normal pH of blood?
7.35–7.45
Which of the following shows significant diurnal variation?
Cortisol
Hemoglobin
Potassium
Uric acid
cortisol
The time it takes for half of the drug to be metabolized is referred to as what?
Half-life
Blood levels of which of the following analytes rise within 4 hours after an acute myocardial infarction?
Cardiac troponins
Which of the following types of law is created by a legislative body?
Administrative law
Case law
Public law
Statutory law
statutory law
Which blood parameter is a measure of carbon dioxide levels in the blood?
PCO2
For some therapeutic drugs with short half-lives, one of the specimens is drawn just before the next dose of medication. What is this specimen called?
Trough
According to CLSI, what is the maximum amount of time that may be allowed to elapse between collection of a blood sample and separation of cells from plasma or serum?
2 hours
The organization that mandates quality assurance programs:
Joint Commission
Which of the following types of law is determined by court decisions through interpretation of existing law?
Administrative law
Case law
Public law
Statutory law
case law
Capillary blood gas specimens are collected in heparinized plastic pipettes, and they are mixed using a magnet and what other metal device?
Flea
What does the term anaerobic mean?
Without oxygen
Smaller portions of a specimen transferred into separate containers are called
aliquots
A phlebotomist is most responsible for controlling for which of the following types of variables in test results?
Preanalytic
Which of the following types of law is created by an agency through written regulations?
Administrative law
Case law
Public law
Statutory law
administrative law
What test is most commonly used to assess the collateral circulation of the radial artery?
Modified Allen test
What is the common name for antibodies formed in response to an infection with Mycoplasma pneumoniae?
Cold agglutinins
What is the major safety risk in removing stoppers from blood collection tubes?
Aerosols
Term that refers to a QA procedure that helps spot identification errors by comparing previous results of the patient to current results:
Delta check
An unjustifiable attempt to touch another person can lead to what charge?
Assault
A test requisition lists the glucose specimen to be collected as a 2-hour postprandial. When should it be collected?
Two hours after the patient eats
Which test requires the blood sample to be protected from light?
Ammonia
Arterial blood gases
Bilirubin
Lactic acid
bilirubin
Which of the following tubes can be centrifuged immediately after collection?
Heparin tube
Plain tube
SST tube
Thrombin tube
heparin
Values for which of the following are higher in patients living at high altitudes?
Cholesterol and triglycerides
BUN and creatinine
Hematocrit and hemoglobin
Sodium and potassium
H & H (hemoglobin, hematocrit)
The intentional touching of another person without consent can lead to what charge?
Battery