Question 1

Which of the following is an example of using a laboratory test to assist in the differential diagnosis of a patient's condition?

Accepted Answer

A)  Running a profile on a patient who complains of vague symptoms 
B)  Performing a strep test to determine if a patient has strep throat or pharyngitis 
C)  Performing an OGTT on a patient who exhibits the symptoms of diabetes 
D)  Performing a CBC on a patient as part of a general physical examination 
A)  Running a profile on a patient who complains of vague symptoms 
B)  Performing a strep test to determine if a patient has strep throat or pharyngitis 
C)  Performing an OGTT on a patient who exhibits the symptoms of diabetes 
D)  Performing a CBC on a patient as part of a general physical examination

Question 2

Antibiotics taken by the patient before the collection of a throat specimen for culture may result in

Accepted Answer

A)  A false-negative report 
B)  Overgrowth of the specimen with extraneous microorganisms 
C)  A false-positive report 
D)  An allergic reaction 
A)  A false-negative report 
B)  Overgrowth of the specimen with extraneous microorganisms 
C)  A false-positive report 
D)  An allergic reaction

Question 3

What is the name for a control that is built into the test system?

Accepted Answer

A)  External control 
B)  Standard 
C)  Proficiency control 
D)  Internal control 
A)  External control 
B)  Standard 
C)  Proficiency control 
D)  Internal control

Question 4

All of the following are guidelines for storing specimens and testing components in a laboratory refrigerator except

Accepted Answer

A)  Attach a biohazard warning label to the refrigerator. 
B)  Maintain the refrigerator temperature between 36° F and 46° F. 
C)  Check the temperature of the refrigerator once each week. 
D)  Do not store food in the refrigerator. 
A)  Attach a biohazard warning label to the refrigerator. 
B)  Maintain the refrigerator temperature between 36° F and 46° F. 
C)  Check the temperature of the refrigerator once each week. 
D)  Do not store food in the refrigerator.

Question 5

All of the following are advantages of the laboratory component of an EMR program except

Accepted Answer

A)  Laboratory requests can be completed on the computer. 
B)  Laboratory requests can be transmitted electronically to the medical laboratory. 
C)  The type of tests required by the patient can be determined by the program. 
D)  Laboratory tests performed on a routine based can be plotted on a flow sheet. 
A)  Laboratory requests can be completed on the computer. 
B)  Laboratory requests can be transmitted electronically to the medical laboratory. 
C)  The type of tests required by the patient can be determined by the program. 
D)  Laboratory tests performed on a routine based can be plotted on a flow sheet.

Question 6

All of the following are included on a laboratory request form except the

Accepted Answer

A)  Physician's name and address 
B)  Patient's age and gender 
C)  Date and time of collection of the specimen 
D)  Source of the specimen 
E)  Laboratory test results 
A)  Physician's name and address 
B)  Patient's age and gender 
C)  Date and time of collection of the specimen 
D)  Source of the specimen 
E)  Laboratory test results

Question 7

Which of the following is a violation of laboratory safety precautions?

Accepted Answer

A)  Disposing of broken glassware in a puncture-resistant container 
B)  Talking in the laboratory 
C)  Opening a centrifuge before it comes to a complete stop 
D)  Recapping reagent bottles immediately after use 
A)  Disposing of broken glassware in a puncture-resistant container 
B)  Talking in the laboratory 
C)  Opening a centrifuge before it comes to a complete stop 
D)  Recapping reagent bottles immediately after use

Question 8

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?

Accepted Answer

A)  Quantitative test result 
B)  Positive test result 
C)  Negative test result 
D)  Qualitative test result 
A)  Quantitative test result 
B)  Positive test result 
C)  Negative test result 
D)  Qualitative test result

Question 9

Which of the following is included in a product insert of a testing kit?

Accepted Answer

A)  Intended use 
B)  Principles of the procedure 
C)  Storage and stability 
D)  Interpretation and reading results 
E)  All of the above 
A)  Intended use 
B)  Principles of the procedure 
C)  Storage and stability 
D)  Interpretation and reading results 
E)  All of the above

Question 10

What is a profile?

Accepted Answer

A)  A substance that is being identified or measured in a laboratory test 
B)  A quantitative laboratory test 
C)  An array of laboratory tests for identifying a disease 
D)  A laboratory test that is required by state law 
A)  A substance that is being identified or measured in a laboratory test 
B)  A quantitative laboratory test 
C)  An array of laboratory tests for identifying a disease 
D)  A laboratory test that is required by state law

Question 11

Why is it important to handle and store a specimen properly?

Accepted Answer

A)  To reduce the time needed to test the specimen 
B)  To maintain the in vitro qualities of the specimen 
C)  To ensure valid results from quality control methods 
D)  To maintain the in vivo qualities of the specimen 
A)  To reduce the time needed to test the specimen 
B)  To maintain the in vitro qualities of the specimen 
C)  To ensure valid results from quality control methods 
D)  To maintain the in vivo qualities of the specimen

Question 12

The study of antigen-antibody reactions to assess the presence of a substance or to determine the presence of disease is known as

Accepted Answer

A)  Hematology 
B)  Immunology and blood banking 
C)  Clinical chemistry 
D)  Cytology 
E)  Histology 
A)  Hematology 
B)  Immunology and blood banking 
C)  Clinical chemistry 
D)  Cytology 
E)  Histology

Question 13

The purpose of the Clinical Laboratory Improvement Amendment (CLIA) is to

Accepted Answer

A)  Improve the quality of laboratory testing in the United States 
B)  Prevent the exposure of employees to bloodborne pathogens in the workplace 
C)  Ensure safety in the laboratory 
D)  Prevent errors in technique during laboratory testing 
A)  Improve the quality of laboratory testing in the United States 
B)  Prevent the exposure of employees to bloodborne pathogens in the workplace 
C)  Ensure safety in the laboratory 
D)  Prevent errors in technique during laboratory testing

Question 14

What is the purpose of a laboratory report?

Accepted Answer

A)  To indicate the patient diagnosis 
B)  To relay the results of laboratory tests to the physician 
C)  To order laboratory tests on a patient 
D)  To indicate the patient prognosis 
A)  To indicate the patient diagnosis 
B)  To relay the results of laboratory tests to the physician 
C)  To order laboratory tests on a patient 
D)  To indicate the patient prognosis

Question 15

What type of results are produced by a high-level control?

Accepted Answer

A)  Results that fall below the reference range for the test 
B)  Invalid results 
C)  Results that fall above the reference range for the test 
D)  Positive results 
A)  Results that fall below the reference range for the test 
B)  Invalid results 
C)  Results that fall above the reference range for the test 
D)  Positive results

Question 16

The purpose of patient preparation for a laboratory test is to

Accepted Answer

A)  Reduce patient discomfort during specimen collection 
B)  Provide a specimen that yields accurate test results 
C)  Ensure that the test results fall within the normal range 
D)  Ensure that the patient receives the proper treatment 
A)  Reduce patient discomfort during specimen collection 
B)  Provide a specimen that yields accurate test results 
C)  Ensure that the test results fall within the normal range 
D)  Ensure that the patient receives the proper treatment

Question 17

If a laboratory report is returned to the medical office marked QNS, ir means that

Accepted Answer

A)  An insufficient amount of the specimen was submitted 
B)  The patient did not prepare properly for the test 
C)  The test results fall outside of the normal range 
D)  A contaminated specimen was submitted 
A)  An insufficient amount of the specimen was submitted 
B)  The patient did not prepare properly for the test 
C)  The test results fall outside of the normal range 
D)  A contaminated specimen was submitted

Question 18

All of the following are reasons for indicating the clinical diagnosis on the laboratory request form except

Accepted Answer

A)  To alert laboratory personnel to the presence of a possible pathogen 
B)  To inform laboratory personnel as to the source of the specimen 
C)  To assist in third-party billing 
D)  To correlate laboratory data with the needs of the physician 
A)  To alert laboratory personnel to the presence of a possible pathogen 
B)  To inform laboratory personnel as to the source of the specimen 
C)  To assist in third-party billing 
D)  To correlate laboratory data with the needs of the physician

Question 19

Which of the following assists the physician in making a diagnosis?

Accepted Answer

A)  Health history 
B)  Physical examination 
C)  Laboratory tests 
D)  Diagnostic tests 
E)  All of the above 
A)  Health history 
B)  Physical examination 
C)  Laboratory tests 
D)  Diagnostic tests 
E)  All of the above

Question 20

If a POL is performing moderate-complexity tests, CLIA requires

Accepted Answer

A)  Proficiency testing three times per year 
B)  Calibration procedures at least every 6 months 
C)  Two levels of controls daily 
D)  A system to identify patient specimens throughout the testing process 
E)  All of the above 
A)  Proficiency testing three times per year 
B)  Calibration procedures at least every 6 months 
C)  Two levels of controls daily 
D)  A system to identify patient specimens throughout the testing process 
E)  All of the above

Exam 15: Introduction to the Clinical Laboratory

Which of the following is an example of using a laboratory test to assist in the differential diagnosis of a patient's condition?

Antibiotics taken by the patient before the collection of a throat specimen for culture may result in

What is the name for a control that is built into the test system?

All of the following are guidelines for storing specimens and testing components in a laboratory refrigerator except

All of the following are advantages of the laboratory component of an EMR program except

All of the following are included on a laboratory request form except the

Which of the following is a violation of laboratory safety precautions?

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?

Which of the following is included in a product insert of a testing kit?

What is a profile?

Why is it important to handle and store a specimen properly?

The study of antigen-antibody reactions to assess the presence of a substance or to determine the presence of disease is known as

The purpose of the Clinical Laboratory Improvement Amendment (CLIA) is to

What is the purpose of a laboratory report?

What type of results are produced by a high-level control?

The purpose of patient preparation for a laboratory test is to

If a laboratory report is returned to the medical office marked QNS, ir means that

All of the following are reasons for indicating the clinical diagnosis on the laboratory request form except

Which of the following assists the physician in making a diagnosis?

If a POL is performing moderate-complexity tests, CLIA requires

The Medical Record

Medical Asepsis and the Osha Standard

Sterilization and Disinfection

Vital Signs

The Physical Examination

Eye and Ear Assessment and Procedures

Physical Agents to Promote Tissue Healing

The Gynecologic Examination and Prenatal Care

The Pediatric Examination

Minor Office Surgery

Administration of Medication and Intravenous Therapy

Cardiopulmonary Procedures

Colon Procedures and Male Reproductive Health

Radiology and Diagnostic Imaging

Urinalysis

Phlebotomy

Hematology

Blood Chemistry and Immunology

Medical Microbiology

Emergency Medical Procedures

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