Chapter 9 - Medical Laboratory Technology, Turgeon - Laboratory Testing - Point of Care to Total Automation

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False-positive fecal occult blood results can be caused by ingestion of which of the following? a. Red meat b. Horseradish c. Apples and oranges d. Both red meat and horseradish

d. Both red meat and horseradish

When should a urine specimen being used to test for pregnancy be obtained? a. First thing in the morning b. At random c. Within 24 hours d. At any time

a. First thing in the morning

Which is the specimen of choice for â-hCG testing? a. Serum b. Urine c. Cerebrospinal fluid d. Saliva

a. Serum

Which of the following is the sequence of major steps in automated analysis that mimic manual techniques? a. Specimen collection and processing, specimen and reagent measurement and delivery, chemical reaction phase, measurement phase, and signal processing and data handling b. Specimen and reagent measurement and delivery, specimen collection and processing, chemical reaction phase, measurement phase, and signal processing and data handling c. Specimen collection and processing, specimen and reagent measurement and delivery, signal processing and data handling, chemical reaction phase, and measurement phase d. Signal processing and data handling, specimen collection and processing, specimen and reagent measurement and delivery, chemical reaction phase, and measurement phase

a. Specimen collection and processing, specimen and reagent measurement and delivery, chemical reaction phase, measurement phase, and signal processing and data handling

Which does fecal occult blood testing test for? a. Whole blood in the stool b. Hemoglobin in fecal specimens c. Presence of inflammation that causes bleeding d. Presence of infection

a. Whole blood in the stool

One dimensional (1D) bar codes are _______ and consist of a series of parallel lines of varying widths. a. linear b. wavy c. dotted d. curly

a. linear

The American Cancer Society recommends that ____ fecal specimen(s) from ____ consecutive specimen(s) be collected for colorectal screening. a. 1; 1 b. 2; 3 c. 3; 3 d. 4; 4

b. 2; 3

Which is a reason why computer interfaces are not important to the laboratory? a. Transmission of tests results is faster. b. Accuracy of analytical testing is improved. c. Transposition of numbers errors is eliminated. d. Charting of patient results can be direct.

b. Accuracy of analytical testing is improved.

Which are the three most highly automated areas of the clinical laboratory? a. Microbiology, urinalysis, hematology b. Clinical chemistry, hematology, urinalysis c. Clinical chemistry, microbiology, blood banking d. Immunology, microbiology, hematology

b. Clinical chemistry, hematology, urinalysis

A laboratory test that is not performed in a traditional laboratory is called a ____ test. a. provider-performed microscopy b. waived c. moderately complex d. highly complex

b. waived

Human chorionic gonadotropin (â-hCG) found in a woman's urine specimen is secreted by a fertilized egg, ____ hours after implantation. a. 24 b. 24 to 48 c. 48 to 72 d. more than 72

c. 48 to 72

Which is not a major benefit of laboratory automation? a. Reduction of medical errors b. Improved safety for laboratory staff c. Longer turnaround time of results d. More reliable results

c. Longer turnaround time of results

Handheld automated equipment has been developed for many applications, including blood coagulation and blood gases. Which is another measurement that handheld automated equipment can detect? a. Electrolytes b. Urea c. Glucose d. All of these

d. All of these

The choice of which automated analyzer to use is based on which criteria? a. Level of staffing b. Type of data profile c. Cost of the instrument d. All of these

d. All of these

The value of the fecal occult blood test is that it could determine the cause of or aid in detecting which of the following? a. Hypochromic anemia b. Ulcerative disease c. Neoplastic disease d. All of these

d. All of these

What are the essential requirements of an LIMS? a. Secure login b. Flexibility c. Data management d. All of these

d. All of these

Which are the advantages of point-of-care testing (POCT)? a. Patient convenience b. Reduction of length of hospital stay c. Easy to operate equipment d. All of these

d. All of these

Which is a general function of an LIS? a. Bar-code reading of specimens b. Selection of tests from a test menu c. Reporting of test results d. All of these

d. All of these

Which is an advantage of a 2D bar code? a. Omnidirectionally scannable b. Readable upside down c. Readable backward, forward, or diagonally d. All of these

d. All of these

Which statement regarding CLIA highly complex tests is true? a. The tests are nonautomated. b. The tests require judgement. c. The tests are complicated. d. All of these

d. All of these

What is LIS autoverification? a. The process in which the computer performs the initial review of test results b. The process in which the computer performs the verification of test results c. The process in which the computer adapts to new software upgrades d. The process which the computer performs the initial review and verification of test results

d. The process which the computer performs the initial review and verification of test results

Which can cause a false-negative fecal occult blood result? a. Beets and carrots b. Chicken c. Multivitamins d. Vitamin C

d. Vitamin C


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