170 final Flashcards
A device for spinning a specimen at high speed until it separates into its component parts is a _______.
Centrifuge
A foreign object that is visible through a microscope, but is unrelated to the specimen and may be:
Artifact
An outside laboratory contracted to POL to pick up and run tests for medical office
Reference laboratory
An instrument used to measure the air taken in by and expelled from the lungs is the ______.
Spirometer
Chain of custody is obtained for which type of test:
Drug and alcohol
How long can urine sit at room temperature before performing testing on it?
1 Hour
Infectious mononucleosis is caused by which of the following?
Epstein-Barr virus
Laboratories that perform moderate-complexity tests ________.
Must be run by a doctor
If a patient comes in advised to fast prior to test but they had a cup of coffee, what should you do?
Inform the physician to determine whether the blood still can be collected
Pulmonary function tests are useful in monitoring which condition?
Chronic obstructive pulmonary disease
Routine tests are most often performed at the physician’s office laboratory (POL) are?
Chemistry and Hematology
Specimens from infected wounds are obtained by:
Swabbing
The views that are recorded on an electrocardiogram that are produced by the electrical activity of the heart are _________.
Leads
What condition is suspected when a reagent urine strip for human chorionic gonadotropin (HCG) shows positive?
Pregnant
What does QNS on a lab report mean?
The specimen that was sent to perform the test was not large enough
What is life-threatening dysrhythmia that results in no cardiac output?
Ventricular fibrillation
What is an advantage of completing laboratory tests in the physician’s office laboratory (POL)?
Turnaround time is faster for finding out results.
What is the primary function of our immune system?
Defend the body from pathogens
What is the purpose of control sample that are run in the POL?
They serve as a check on the accuracy of the test.
What term means failure of the kidneys to produce urine?
Anuria
What test is used to assess the electrical activity of a patient’s heart over a 24-hour periods of normal activity?
Holter monitoring
What was created in response to public concern over the accuracy of laboratory testing?
Clinical Laboratory Improvement Amendments of 1988
When testing specimens that might be contaminated with blood-borne pathogens, which of the following would apply?
Avoid working when you have cuts, lesions, or sores on your hands.
Which lab test uses samples of whole blood to identify problems with count, size, or shape of blood cells?
Hematologic test
Which of the following is a pen-like instrument that records impulse movement on the ECG paper?
Stylus
Which of the following is one of the first signs of liver disease?
Bilirubinuria
Which of the following is the primary pacemaker of the heart?
SA Node
Which of the following measures and evaluates a patient’s lung capacity and volume?
PFT
Which of the following produces electrical impulses produced by the heart?
Electrocardiography
Which of the following would be included in the patient’s instructions regarding Holter monitoring?
Instruct patient to record all activities, symptoms, and medications taken.
Which precordial electrode is placed in the fourth intercoastal space to the left of the sternum?
V2
Which types of tests may be performed in a physician’s office laboratory if a Certificate of Wavier has been granted?
Strep-A/UA’s
