Question 1

Describe how a centrifuge should be properly loaded with blood specimens and what happens if it is not loaded properly.

Accepted Answer

Blood specimens should be loaded in a balanced orientation; each tube is loaded directly across from another tube of a similar volume/size. If they are not properly balanced, it can result in numerous consequences, including breakage, inadequate separation, and excessive vibrations that can potentially damage cells.

Question 2

Which of the following is a possible occurrence if a blood specimen tube for hematology tests is filled correctly but not mixed long enough?

Accepted Answer

A)  Hemolysis will occur. 
B)  Hemoconcentration will occur. 
C)  Tiny clots will form in the specimen. 
D)  The specimen will be lipemic. 
A)  Hemolysis will occur. 
B)  Hemoconcentration will occur. 
C)  Tiny clots will form in the specimen. 
D)  The specimen will be lipemic. C

Question 3

An ________ is a small portion of a blood specimen that is separated for additional testing.

Accepted Answer

aliquot

Question 4

For specimens that require centrifugation, serum or plasma should be removed from the cells within what period of time?

Accepted Answer

A)  5 hours 
B)  4 hours 
C)  3 hours 
D)  2 hours 
A)  5 hours 
B)  4 hours 
C)  3 hours 
D)  2 hours

Question 5

It is best to mix a blood specimen in an additive tube 60 minutes after the venipuncture has occurred.

Accepted Answer

A) True 
 B)False

Question 6

Room temperature is 22-25° ________.

Accepted Answer

The answer of Room temperature is 22-25° ________....

Question 7

Glycolytic action refers to:

Accepted Answer

A)  hemolysis 
B)  hemostasis 
C)  breakdown of glucose 
D)  breakdown of hemoglobin 
A)  hemolysis 
B)  hemostasis 
C)  breakdown of glucose 
D)  breakdown of hemoglobin

Question 8

Blood specimen tubes without additives do not require mixing.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is considered confidential patient information?

Accepted Answer

A)  clinical laboratory results of a patient 
B)  the name of the phlebotomist who draws a specimen 
C)  the name of the laboratory supervisor 
D)  the name of the patient's physician 
A)  clinical laboratory results of a patient 
B)  the name of the phlebotomist who draws a specimen 
C)  the name of the laboratory supervisor 
D)  the name of the patient's physician

Question 10

Most laboratories require blood specimens to be transported in a ________ plastic biohazard bag.

Accepted Answer

The answer of Most laboratories require blood specimens to be...

Question 11

Refrigeration temperature for specimen storage should be between ________ and 8°C.

Accepted Answer

The answer of Refrigeration temperature for specimen storage should be...

Question 12

When designing a report form for laboratory results, what key elements would not be included?

Accepted Answer

A)  patient and physician identification 
B)  date and time of collection 
C)  reference ranges 
D)  physician's home address and phone number 
A)  patient and physician identification 
B)  date and time of collection 
C)  reference ranges 
D)  physician's home address and phone number

Question 13

Serum should be transported to the laboratory for testing and separated from blood cells within which of the following time periods to prevent erroneous test results?

Accepted Answer

A)  5 hours 
B)  4 hours 
C)  3 hours 
D)  as soon as possible 
A)  5 hours 
B)  4 hours 
C)  3 hours 
D)  as soon as possible

Question 14

Sensitivity to light is called ________.

Accepted Answer

The answer of Sensitivity to light is called ________....

Question 15

It is preferable to make blood smears from EDTA specimens within what period of time after the specimen is collected?

Accepted Answer

A)  4 hours 
B)  3 hours 
C)  2 hours 
D)  1 hour 
A)  4 hours 
B)  3 hours 
C)  2 hours 
D)  1 hour

Question 16

Coagulation specimens can be used for analysis even if they are clotted.

Accepted Answer

A) True 
 B)False

Question 17

A patient's stress/anxiety can affect the pre-examination phase of laboratory testing.

Accepted Answer

A) True 
 B)False

Question 18

To chill a blood specimen as it is transported, the health care worker should use:

Accepted Answer

A)  tepid water 
B)  a small freezer unit 
C)  icy water or commercial ice pack 
D)  blocks of ice 
A)  tepid water 
B)  a small freezer unit 
C)  icy water or commercial ice pack 
D)  blocks of ice

Question 19

How should the specimen be transported if blood gases can be analyzed within 30 minutes from the time of the specimen collection?

Accepted Answer

A)  in a plastic syringe at room temperature 
B)  in a plastic syringe on ice 
C)  in a heating block 
D)  in an amber biohazard bag 
A)  in a plastic syringe at room temperature 
B)  in a plastic syringe on ice 
C)  in a heating block 
D)  in an amber biohazard bag

Question 20

The TAT refers to:

Accepted Answer

A)  the time it takes for laboratory test results to be completed 
B)  the patient's temperature at 10:00 a.m. 
C)  transfusion-associated testing 
D)  delays due to transportation of a specimen 
A)  the time it takes for laboratory test results to be completed 
B)  the patient's temperature at 10:00 a.m. 
C)  transfusion-associated testing 
D)  delays due to transportation of a specimen

Describe how a centrifuge should be properly loaded with blood specimens and what happens if it is not loaded properly.

Which of the following is a possible occurrence if a blood specimen tube for hematology tests is filled correctly but not mixed long enough?

An ________ is a small portion of a blood specimen that is separated for additional testing.

For specimens that require centrifugation, serum or plasma should be removed from the cells within what period of time?

It is best to mix a blood specimen in an additive tube 60 minutes after the venipuncture has occurred.

Room temperature is 22-25° ________.

Glycolytic action refers to:

Blood specimen tubes without additives do not require mixing.

Which of the following is considered confidential patient information?

Most laboratories require blood specimens to be transported in a ________ plastic biohazard bag.

Refrigeration temperature for specimen storage should be between ________ and 8°C.

When designing a report form for laboratory results, what key elements would not be included?

Serum should be transported to the laboratory for testing and separated from blood cells within which of the following time periods to prevent erroneous test results?

Sensitivity to light is called ________.

It is preferable to make blood smears from EDTA specimens within what period of time after the specimen is collected?

Coagulation specimens can be used for analysis even if they are clotted.

A patient's stress/anxiety can affect the pre-examination phase of laboratory testing.

To chill a blood specimen as it is transported, the health care worker should use:

How should the specimen be transported if blood gases can be analyzed within 30 minutes from the time of the specimen collection?

The TAT refers to:

Phlebotomy Practice and Quality Assessment

Communication, Computerization, and Documentation

Professional Ethics, Legal, and Regulatory Issues

Infection Control

Safety and First Aid

Medical Terminology Anatomy and Physiology of Organ Systems

The Cardiovascular and Lymphatic Systems

Blood Collection Equipment

Preanalytical Complications Causing Medical Errors in Blood Collection

Venipuncture Procedures

Capillary Blood Specimens

Pediatric and Geriatric Procedures

Point-Of-Care Poc Collections

Arterial, Intravenous Iv, and Special Collection Procedures

Urinalysis, Body Fluids, and Other Specimens

Drug Use, Forensic Toxicology, Workplace Testing, Sports Medicine, and Related Areas

Vital Signs and Medical Procedures

Filters

Exam 12: Specimen Handling, Transportation, and Processing

Describe how a centrifuge should be properly loaded with blood specimens and what happens if it is not loaded properly.

Which of the following is a possible occurrence if a blood specimen tube for hematology tests is filled correctly but not mixed long enough?

An ________ is a small portion of a blood specimen that is separated for additional testing.

For specimens that require centrifugation, serum or plasma should be removed from the cells within what period of time?

It is best to mix a blood specimen in an additive tube 60 minutes after the venipuncture has occurred.

Room temperature is 22-25° ________.

Glycolytic action refers to:

Blood specimen tubes without additives do not require mixing.

Which of the following is considered confidential patient information?

Most laboratories require blood specimens to be transported in a ________ plastic biohazard bag.

Refrigeration temperature for specimen storage should be between ________ and 8°C.

When designing a report form for laboratory results, what key elements would not be included?

Serum should be transported to the laboratory for testing and separated from blood cells within which of the following time periods to prevent erroneous test results?

Sensitivity to light is called ________.

It is preferable to make blood smears from EDTA specimens within what period of time after the specimen is collected?

Coagulation specimens can be used for analysis even if they are clotted.

A patient's stress/anxiety can affect the pre-examination phase of laboratory testing.

To chill a blood specimen as it is transported, the health care worker should use:

How should the specimen be transported if blood gases can be analyzed within 30 minutes from the time of the specimen collection?

The TAT refers to:

Phlebotomy Practice and Quality Assessment

Communication, Computerization, and Documentation

Professional Ethics, Legal, and Regulatory Issues

Infection Control

Safety and First Aid

Medical Terminology Anatomy and Physiology of Organ Systems

The Cardiovascular and Lymphatic Systems

Blood Collection Equipment

Preanalytical Complications Causing Medical Errors in Blood Collection

Venipuncture Procedures

Capillary Blood Specimens

Pediatric and Geriatric Procedures

Point-Of-Care Poc Collections

Arterial, Intravenous Iv, and Special Collection Procedures

Urinalysis, Body Fluids, and Other Specimens

Drug Use, Forensic Toxicology, Workplace Testing, Sports Medicine, and Related Areas

Vital Signs and Medical Procedures

Filters