EKG
What is a recording of the electrical activity of the heart
ECG, EKG
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 therapy is monitored by the activated clotting time (ACT) test?
Heparin
What is the most common chemistry test performed via POCT?
Glucose
Which group of Streptococcus bacteria is detected by the rapid strep test?
A
A normal electrocardiogram (ECG) consists of a tracing of five prominent points, which are identified in what manner?
P Q R S T
A delay in reporting test results is considered what type of variable?
Postanalytic
Coumadin (warfarin) therapy can be monitored using which of the following tests?
PT
Which of the following is a POCT used to screen for colon cancer and gastric ulcers?
Occult blood
A sample drawn for which of the following requires special timing due to diurnal variation in its blood levels?
Cortisol
A complete heartbeat, consisting of depolarization and repolarization, is also known as which of the following?
Cardiac cycle
An error in machine calibration is what type of variable?
Analytic
Blood levels of which of the following analytes rise within 4 hours after an acute myocardial infarction?
Cardiac troponins
What is another name for point-of-care testing (POCT)?
Alternate site testing
The organization that mandates quality assurance programs
Joint Commission
Most ECGs place how many electrodes on the body?
10
Improper identification of the patient is considered what type of variable?
Preanalytic
Blood levels of which of the following analytes are increased in congestive heart failure?
BNP
Which of the following agencies decides whether a given test is CLIA-waived?
FDA
Quantitative methods used to monitor the quality of procedures to ensure accurate test results?
QC
What portion of the ECG depicts ventricular depolarization?
QRS complex
A larger set of methods used to guarantee quality patient care, including patient preparation and specimen collection and transport protocols:
QA
A blood sample collected from a patient who is standing up will have higher levels of what analyte compared to samples from a patient who is supine?
Albumin
According to CLIA, what is the classification of tests in which the procedure is simple and erroneous results are unlikely?
waived level
What is the primary pacemaker of the heart?
Sinoatrial node