Mid-Term Review Chapter 29

All of the following are examples of CLIA-waived tests except: fecal occult blood testing. urine pregnancy testing. blood glucose determination. microscopic analysis of urine sediment.

microscopic analysis of urine sediment.

Which of the following laboratory tests requires fasting? OGTT Comprehensive metabolic profile Triglycerides FBG All are correct

All are correct

Which of the following may cause a control to fail to produce expected results? Outdated testing reagents Not performing the control procedure correctly Improper storage of testing components All are correct

All are correct

What is a profile? A substance that is being identified or measured in a laboratory test. A quantitative laboratory test. A combination of laboratory tests for identifying a disease. A laboratory test that is required by state law.

A combination of laboratory tests for identifying a disease.

Which of the following is an example of using a laboratory test to regulate treatment? A diabetic patient tests his or her blood before administering insulin. A patient undergoes a blood cholesterol screening test. A CBC is performed to determine if a patient has anemia. A gonorrhea test is performed on a pregnant woman as required by state law

A diabetic patient tests his or her blood before administering insulin.

How are laboratory reports delivered to the medical office? Faxed Mailed Hand-delivered by a laboratory courier Electronically using a computer All are correct

All are correct

Which of the following assists the provider in making a diagnosis? Health history Physical examination Laboratory tests Diagnostic tests All are correct

All are correct

Which of the following is a quality control method? Discarding outdated reagents Proper storage of test systems Calibration Allowing refrigerated controls to come to room temperature before use All are correct

All are correct

Which of the following is included in a product insert of a testing kit? Intended use Principles of the procedure Storage and stability Interpretation and reading results All are correct

All are correct

Which of the following guidelines should be followed when using an emergency eyewash station? The eyewash should be located within a 10 second walking distance of the hazard. Direct the flow of water at an angle to the eyes. Tepid water should be used to flush the eyes. Flush the eyes for 15 minutes. All are correct.

All are correct.

What is the term for a substance that is being identified or measured in a laboratory test? Standard Analyte Calibration Control

Analyte

What should be done if a control does not perform as expected? Do not perform patient testing until the problem is resolved. Perform patient testing as usual. Perform calibration procedures. Document results as invalid.

Do not perform patient testing until the problem is resolved.

What is the name for a control that is built into the test system? External control Standard Proficiency control Internal control

Internal control

Which of the following occurs when the body is in homeostasis? Laboratory test results are above the reference range. An imbalance exists in the body. Laboratory test results fall within the reference range. Laboratory test results are invalid.

Laboratory test results fall within the reference range.

Which of the following is a violation of laboratory safety precautions? Disposing of broken glassware in a puncture-resistant container Talking in the laboratory Opening a centrifuge before it comes to a complete stop Recapping reagent bottles immediately after use

Opening a centrifuge before it comes to a complete stop

Which of the following is an example of a unique identifier? Date and time of the specimen collection Patient's name and date of birth Medical assistant's initials Source of the specimen

Patient's name and date of birth

Which of the following is an example of using a laboratory test to assist in the differential diagnosis of a patient's condition? Running a profile on a patient who complains of vague symptoms Performing a strep test to determine if a patient has strep throat or pharyngitis Performing an OGTT on a patient who exhibits the symptoms of diabetes Performing a CBC on a patient as part of a general physical examination

Performing a strep test to determine if a patient has strep throat or pharyngitis

What is the term for a test result that indicates whether a substance is present in the specimen being tested and provides an approximate indication of the amount of the substance present? Quantitative test result Positive test result Negative test result Qualitative test result

Qualitative test result

What type of results are produced by a high-level control? Results that fall below the reference range for the test Invalid results Results that fall above the reference range for the test Positive results

Results that fall above the reference range for the test

What temperature is usually required for storing testing materials and performing laboratory tests? Body temperature Room temperature A temperature below 20° F A temperature above 212° F

Room temperature

What is the purpose of performing a routine test? To detect the presence of an acute infection To assist in the clinical diagnosis of a patient's condition To assist in the early detection of disease To determine the medication dosage to administer to a patient

To assist in the early detection of disease

Why is it important to handle and store a specimen properly? To reduce the time needed to test the specimen To maintain the in vitro qualities of the specimen To ensure valid results from quality control methods To maintain the in vivo qualities of the specimen

To maintain the in vivo qualities of the specimen

What is the purpose of patient preparation for a laboratory test? To reduce patient discomfort during specimen collection To provide a specimen that yields accurate test results To ensure that the test results fall within the reference range To ensure that the patient receives the proper treatment

To provide a specimen that yields accurate test results

What is the purpose of the patient accession number found on the laboratory report? To provide identification of each specimen in the laboratory To provide information required for third-party billing To identify the source of the specimen To assist the provider in making a diagnosis All are correct

To provide identification of each specimen in the laboratory

What is the purpose of a laboratory report? To indicate the patient diagnosis To relay the results of laboratory tests to the provider To order laboratory tests on a patient To indicate the patient prognosis

To relay the results of laboratory tests to the provider

Antibiotics taken by the patient before the collection of a throat specimen for culture may result in: a false-negative report. overgrowth of the specimen with extraneous microorganisms. a false-positive report. positive results.

a false-negative report.

If a POL is performing moderate-complexity tests, CLIA requires: proficiency testing three times per year. calibration procedures at least every 6 months. two levels of controls daily. a system to identify patient specimens throughout the testing process. all are correct.

all are correct.

If a laboratory report is returned to the medical office marked QNS, it means that: an insufficient amount of the specimen was submitted. the patient did not prepare properly for the test. the test results fall outside of the reference range. a contaminated specimen was submitted.

an insufficient amount of the specimen was submitted.

All of the following are guidelines for storing specimens and testing components in a laboratory refrigerator except: attach a biohazard warning label to the refrigerator. maintain the refrigerator temperature between 36° and 46° F. check the temperature of the refrigerator once each week. do not store food in the refrigerator.

check the temperature of the refrigerator once each week.

The purpose of quality control is to: prevent accidents in the laboratory. protect the medical assistant from bloodborne pathogens. ensure accurate and valid test results. ensure that the test results fall within the normal range. all are correct.

ensure accurate and valid test results.

All of the following may need to be flushed out of the eyes using an emergency eyewash station except: other potentially infectious materials. hazardous chemicals. eye discharge. dust and irritants.

eye discharge.

All of the following are included in a lipid profile except: glucose. total cholesterol. HDL cholesterol. triglycerides

glucose

The purpose of the Clinical Laboratory Improvement Amendment (CLIA) is to: improve the quality of laboratory testing in the United States. prevent the exposure of employees to bloodborne pathogens in the workplace. ensure safety in the laboratory. prevent errors in technique during laboratory testing.

improve the quality of laboratory testing in the United States.

All of the following are found in a laboratory directory except: names and CPT codes of the tests performed by the laboratory. patient preparation required for laboratory tests. amount and type of specimen required by the laboratory. instructions for testing specimens in the POL. handling and storage of laboratory specimens.

instructions for testing specimens in the POL.

All of the following are included on a laboratory request form except: provider's name and address. patient's age and gender. date and time of collection of the specimen. source of the specimen. laboratory test results.

laboratory test results.

A small sample taken from the body to represent the nature of the whole is known as a: laboratory test. culture. specimen. biopsy.

specimen.

All of the following are advantages of the laboratory component of an EHR program except: laboratory requests can be completed on the computer. laboratory requests can be transmitted electronically to the medical laboratory. the type of tests required by the patient can be determined by the program. laboratory tests performed on a routine based can be plotted on a flow sheet.

the type of tests required by the patient can be determined by the program.

All of the following are reasons for indicating the clinical diagnosis on the laboratory request form except: to alert laboratory personnel to the presence of a possible pathogen. to inform laboratory personnel of the source of the specimen. to assist in third-party billing. to correlate laboratory data with the needs of the provider.

to inform laboratory personnel of the source of the specimen.

A patient who is fasting (in preparation for a laboratory test) can consume: baked chicken. water. diet soda. orange juice. none are correct.

water.