Chapter 45 Flashcards


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Orientation to lab
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1

Which of the following is an advantage of completing laboratory tests in the physician's office laboratory?

A. The POL has extended technological resources

B. Patients must travel to another location for the test

C. Turnaround time is faster for finding out results

C. TURNAROUND TIME IS FASTER FOR FINDING OUT RESULTS

2

Which of the following routine tests are MOST often performed at a POL?

A. Chemistry and hematology

B. Cytology and histology

C. Serology and immunology

A. CHEMISTRY AND HEMATOLOGY

3

Which laboratory test uses samples of whole blood to identify problems with the count, size, or shape of blood cells that could indicate disease?

A. Histologic test

B. Microbiologic test

C. Hematologic test

C. HEMATOLOGIC TEST

4

Which laboratory tests examine blood, urine, sputum, reproductive fluids, and fluids from wounds to identify the presence of pathogenic organisms?

A. Hematologic test

B. Microbiologic test

C. Serologic test

B. MICROBIOLOGIC TEST

5

Sterilization, or eradication of all organisms on the surface of instruments and equipment before they can be used on patients or in a procedure, is performed by?

A. Centrifuge

B. Hemocytometer

C. Photometer

D. Autoclave

E. Glucometer

D. AUTOCLAVE

6

A device for spinning a specimen at a high speed until it separates into its component parts is a?

A. Centrifuge

B. Glucometer

C. Photometer

A. CENTRIFUGE

7

Which of the following uses light, concentrated through a condenser and focused through the object being examined, to project an image?

A. Photometer

B. Hemocytometer

C. Optical Microscope

D. Glucometer

C. OPTICAL MICROSCOPE

8

What is the name for the eyepiece of the optical microscope through which an image is viewed?

A. Ocular

B. Stage

C. Arm

A. OCULAR

9

Which part of an optical microscope contains a magnifying lens?

A. Arm

B. Objective

C. Substage

B. OBJECTIVE

10

The optical microscopes used in POL'S usually have ?? objectives?

A. 2

B. 3

C. 4

B. 3

11

Which of the following is designed to be lowered into a drop of immersion oil placed directly above the prepared specimen under examination?

A. Dry objective

B. Stage

C. Substage

D. Oil-immersion objective

E. 10x lens

C. OIL-IMMERSION OBJECTIVE

12

Which of the following is a characteristic of an oil-immersion objective?

A. There is air space between the specimen and objectives

B. It is used for specimens that need very high magnification

C. It has a low-power lens with a magnifying factor of 10x

B. IT IS USED FOR SPECIMENS THAT NEED VERY HIGH MAGNIFICATION

13

Where are the focus controls on a microscope located?

A. Oculars

B. Stage

C. Objective

D. Substage

E. Arm

E. ARM

14

Which of the following is the function of the focus controls?

A. They decrease the amount of light illuminating the specimen

B. They bring the objects being examined into clear view

C. They concentrate the light being directed through the sample

B. THEY BRING OBJECTS BEING EXAMINED INTO CLEAR VIEW

15

which part of an optical microscope is the platform on which the specimen slide rests?

A. Arm

B. Stage

C. Objective

D. Substage

B. STAGE

16

The part of the optical microscope that concentrates the light being directed through the sample is the?

A. Condenser

B. Objective

C. Focus control

D. Iris

A. CONDENSER

17

The iris of the optical microscope is?

A. The platform that holds the specimen slide

B. The controls that bring the objective being examined into focus

C. The eyepiece through which you view an image

D. A diaphragm that opens/closes to change the amount of light illuminating the specimen

D. A DIAPHRAGM THAT OPENS/CLOSES TO CHANGE THE AMOUNT OF LIGHT ILLUMINATING THE SPECIMEN

18

which of the following support and position the specimen and prevent contamination of the microscope?

A. Coverslip and Slide

B. Stage

C. Substage

D. Focus Controls

A. COVERSLIP AND SLIDE

19

Which of the following measures light intensity and is a basic electronic component of many pieces of analytic laboratory equipment?

A. Glucometer

B. Hemocytometer

C. Photometer

C. PHOTOMETER

20

Patients with diabetes and clinical personnel use which of the following to monitor blood glucose levels?

A. Hemocytometer

B. Glucometer

C. Centrifuge

B. GLUCOMETER

21

which of the following is used to measure small amounts of liquids and can be either mechanical or manual?

A. Hemocytometer

B. Volumetric Flask

C. Pipette

C. PIPETTE

22

A slide calibrated to the exact measurements needed to count blood cells or sperm under a microscopes is a?

A. Glucometer

B. Hemocytometer

C. Centrifuge

B. HEMOCYTOMETER

23

Which of the following is used to measure the large amount of liquids necessary for reagents?

A. Hemocytometer

B. Volumetric Beaker

C. Pipette

B. VOLUMETRIC BEAKER

24

Which of the following is included in the guidelines for standard precautions?

A Transfer blood from one collection device to another with the use of a mouth pipette

B. Wear the same gloves with every patients when testing specimens

C. Avoid wearing gloves

D. Wear eye protection & face masks when there is risk that droplets/spray may come in contact w/eyes, nose or mouth

D. WEAR EYE PROTECTION AND FACE MASKS WHEN THERE IS A RISK THAT DROPLETS/SPRAY MAY COME IN CONTACT W/EYES NOSE OR MOUTH

25

When testing specimens that may be contaminated with blood-borne or other pathogens, which of the following would apply?

A. Use a mouth pipette to draw specimens

B. Avoid working when you have cuts, lesions or sores on your hands

C. Rock the stopper back and forth to transfer a blood specimen from one collection device to another

B. AVOID WORKING WHEN YOU HAVE CUTS, LESIONS OR SORES ON YOUR HANDS

26

Which of the following is an appropriate solution for cleaning a surface contaminated with blood, blood products or body fluids?

A. 10% bleach

B. Hot water and soap

C. 20% Isopropyl alcohol

A. 10% BLEACH

27

A quality assurance program?

A. Requires employees to receive training regarding workplace hazards

B. Is designed to monitor the quality of patient care a medical laboratory provides.

C. Assumes that all blood, blood products, human tissue and body fluids are contaminated

B. IS DESIGNED TO MONITOR THE QUALITY OF PATIENT CARE A MEDICAL LABORATORY PROVIDES

28

Which of the following was created in response to public concern over the accuracy of laboratory testing?

A. Hazard communication standard

B. Certificate of Waiver Tests

C. Clinical Laboratory Improvement Amendments of 1988

C. CLINICAL LABORATORY IMPROVEMENT AMENDMENT OF 1988

29

The Clinical Laboratory Improvement Amendment of 1988 had an impact on POL'S in which way?

A. They decreased overall expense

B. They caused many doctors to close their labs

C. They increased the number of tests performed

B. THEY CAUSED MANY DOCTORS TO CLOSE THEIR LABS

30

Certificate of Waiver tests are classified as such if they?

A. Are moderately complex

B. Pose an insignificant risk to the patient if they are performed or investigated or interpreted incorrectly

C. Are run by a pathologist

B. POSE AN INSIGNIFICANT RISK TO THE PATIENT IF THEY ARE PERFORMED OR INVESTIGATED OR INTERPRETED INCORRECTLY

31

Laboratories that perform moderate-complexity tests?

A. Urinalysis, erythrocyte sedimentation rate, blood glucose, and pregnancy

B. Tests in clinical cytogenics, histopathology, histocompatibility and cytology

C. Tests in bacteriology, myobacteriology, virology, and parasitology

B. TESTS IN CLINICAL CYTOGENICS, HISTOPATHOLOGY, HISTOCOMPATIBILITY, AND CYTOLOGY

32

The focus of a quality control program is to?

A. Protect the safety of employees in the workplace

B. Assume that all blood, blood products, human tissue and body fluids are contaminated

C. Provide information about hazardous chemicals/substances

D. Ensure accuracy in test results through careful monitoring of procedures

D. ENSURE ACCURACY IN TESTS THROUGH CAREFUL MONITORING OF TEST PROCEDURES

33

Which of the following is a characteristic of control samples that are run in a POL?

A. They are used once after every five patient samples processed

B. They serve as a check on the accuracy of the test

C. The results from a patient sample and a control sample should be different.

B. THEY SERVE AS A CHECK ON THE ACCURACY OF THE TEST

34

Which of the following are chemicals or chemically treated substances used in test procedures?

A. Standards

B. Objectives E. Reagents

C. Artifacts

D. Controls

E. REAGENTS

35

A foreign object that is available through a microscope, but is unrelated to the specimen and may be misinterpreted when the specimen is examined is a(n)?

A. Reagent

B. Calibration

C. Artifact

C. ARTIFACT

36

The chemically coated strip used in blood glucose monitoring is an example of a(n)?

A. Reagent

B. Standard

C. Artifact

A. REAGENT

37

Which of the following communications should be used when preparing a patient for a lab test?

A. Use technical terminology and language when providing information about the test

B. Avoid giving the patient test instructions if the patient has had the test done before

C. Let the patient be your guide in determining how much info to provide

C . LET THE PATIENT BE YOUR GUIDE IN DETERMINING HOW MUCH INFO TO PROVIDE

38

The abbreviation for milligram is?

A. M

B. mL

C. mm

D. mg

D. mg

39

What does QNS on a lab report mean?

A. Enough blood was sent

B. These are the initials of the tech who ran the test

C. The specimen sent was to perform the test was not large enough

C. THE SPECIMEN THAT WAS SENT TO PERFORM THE TEST WAS NOT LARGE ENOUGH