Question 1

Which of the following blood tests is completed using a stained blood smear?

Accepted Answer

A)  WBC 
B)  RBC 
C)  Manual differential cell count 
D)  Differential WBC 
E)  Hematocrit determination 
A)  WBC 
B)  RBC 
C)  Manual differential cell count 
D)  Differential WBC 
E)  Hematocrit determination

Question 2

When blood is centrifuged, the red layer below the buffy coat consists of ________ red blood cells.

Accepted Answer

The answer of When blood is centrifuged, the red layer...

Question 3

The physician has asked you to draw blood from Peter, a 24-year-old patient, for routine pre-employment testing. As you begin explaining the process, Peter starts to look very uncomfortable. Although he pretends nothing is wrong, you soon discover that he is afraid of needles. Which of the following suggestions might you make to help Peter?

Accepted Answer

A)  "Take rapid, shallow breaths while I insert the needle in your arm." 
B)  "Tense the muscles in your arm so it won't hurt as much." 
C)  "See the magazine in the rack on the wall? Focus on that while I draw the blood." 
D)  "This will be painful, but I know you are brave enough to get through it." 
E)  "If you do not let me draw your blood, the company won't hire you." 
A)  "Take rapid, shallow breaths while I insert the needle in your arm." 
B)  "Tense the muscles in your arm so it won't hurt as much." 
C)  "See the magazine in the rack on the wall? Focus on that while I draw the blood." 
D)  "This will be painful, but I know you are brave enough to get through it." 
E)  "If you do not let me draw your blood, the company won't hire you."

Question 4

The vein used for venipuncture and represented by number 3 in the picture is the ________ vein.

Accepted Answer

The answer of The vein used for venipuncture and represented...

Question 5

Enzyme-linked immunosorbent assay (ELISA) and Western blot tests are used to confirm which of the following diagnoses?

Accepted Answer

A)  Diabetes mellitus 
B)  HIV infection 
C)  Gout 
D)  Coronary artery disease 
E)  Anemia 
A)  Diabetes mellitus 
B)  HIV infection 
C)  Gout 
D)  Coronary artery disease 
E)  Anemia

Question 6

Which blood collection device uses interchangeable collection tubes that are calibrated to collect the exact amount of blood required?

Accepted Answer

A)  Evacuation system 
B)  Needle and syringe system 
C)  Butterfly system 
D)  Capillary puncture 
E)  Blood culture system 
A)  Evacuation system 
B)  Needle and syringe system 
C)  Butterfly system 
D)  Capillary puncture 
E)  Blood culture system

Question 7

Normal prothrombin time (PT) is ____.

Accepted Answer

A)  11 to 15 seconds 
B)  30 50 60 seconds 
C)  2 to 7 minutes 
D)  8 to 10 minutes 
E)  30 to 45 minutes 
A)  11 to 15 seconds 
B)  30 50 60 seconds 
C)  2 to 7 minutes 
D)  8 to 10 minutes 
E)  30 to 45 minutes

Question 8

The study of the shape or form of objects is called ________.

Accepted Answer

The answer of The study of the shape or form...

Question 9

The description of whole blood is ____.

Accepted Answer

A)  the clear, yellow liquid that remains after a blood clot forms 
B)  the total volume of plasma and formed elements 
C)  the main component of erythrocytes 
D)  the rupturing of red blood cells 
E)  the buffy coat in centrifuged blood 
A)  the clear, yellow liquid that remains after a blood clot forms 
B)  the total volume of plasma and formed elements 
C)  the main component of erythrocytes 
D)  the rupturing of red blood cells 
E)  the buffy coat in centrifuged blood

Question 10

Which of the following is the liquid or fluid portion of the blood?

Accepted Answer

A)  Plasma 
B)  Red blood cells 
C)  White blood cells 
D)  Platelets 
E)  Hemoglobin 
A)  Plasma 
B)  Red blood cells 
C)  White blood cells 
D)  Platelets 
E)  Hemoglobin

Question 11

-A blood collection tube with a gray stopper is used to obtain blood for a blood ________ test.

Accepted Answer

The answer of  
-A blood collection tube with a...

Question 12

Blood tests for potassium and sodium identify ____.

Accepted Answer

A)  prostatic cancer 
B)  hyperparathyroidism 
C)  anemia 
D)  fluid-electrolyte imbalances 
E)  atherosclerosis 
A)  prostatic cancer 
B)  hyperparathyroidism 
C)  anemia 
D)  fluid-electrolyte imbalances 
E)  atherosclerosis

Question 13

A light blue-stoppered blood collection tube is selected for ________ studies.

Accepted Answer

The answer of A light blue-stoppered blood collection tube is...

Question 14

Which tests require the use of a collection tube with a green stopper?

Accepted Answer

A)  Blood glucose tests 
B)  Electrolyte studies 
C)  Coagulation studies 
D)  Blood cultures 
E)  Hematology studies 
A)  Blood glucose tests 
B)  Electrolyte studies 
C)  Coagulation studies 
D)  Blood cultures 
E)  Hematology studies

Question 15

Which of the following is characteristic of capillary puncture?

Accepted Answer

A)  The blood is collected using a sterile needle and syringe. 
B)  It is used on patients with small or fragile veins. 
C)  The patient's non-dominant hand is used for this procedure. 
D)  It releases a greater amount of blood, compared to venipuncture. 
E)  The blood is collected into evacuated collection tubes. 
A)  The blood is collected using a sterile needle and syringe. 
B)  It is used on patients with small or fragile veins. 
C)  The patient's non-dominant hand is used for this procedure. 
D)  It releases a greater amount of blood, compared to venipuncture. 
E)  The blood is collected into evacuated collection tubes.

Exam 48: Collecting, Processing, and Testing Blood Specimens

Which of the following blood tests is completed using a stained blood smear?

When blood is centrifuged, the red layer below the buffy coat consists of ________ red blood cells.

The vein used for venipuncture and represented by number 3 in the picture is the ________ vein.

Enzyme-linked immunosorbent assay (ELISA) and Western blot tests are used to confirm which of the following diagnoses?

Which blood collection device uses interchangeable collection tubes that are calibrated to collect the exact amount of blood required?

Normal prothrombin time (PT) is ____.

The study of the shape or form of objects is called ________.

The description of whole blood is ____.

Which of the following is the liquid or fluid portion of the blood?

-A blood collection tube with a gray stopper is used to obtain blood for a blood ________ test.

Blood tests for potassium and sodium identify ____.

A light blue-stoppered blood collection tube is selected for ________ studies.

Which tests require the use of a collection tube with a green stopper?

Which of the following is characteristic of capillary puncture?

Introduction to Medical Assisting

Healthcare and the Healthcare Team

Professionalism and Success

Interpersonal Communication

Legal and Ethical Issues

Infection Control Fundamentals

Safety and Patient Reception

Office Equipment and Supplies

Examination and Treatment Areas

Written and Electronic Communication

Medical Records and Documentation

Electronic Health Records

Managing Medical Records

Telephone Techniques

Patient Education

Schedule Management

Insurance Billing

Diagnostic Coding

Procedure Coding

Patient Collections and Financial Management

Organization of the Body

The Integumentary System

The Skeletal System

The Muscular System

The Cardiovascular System

The Blood

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The Nervous System

The Urinary System

The Reproductive Systems

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The Endocrine System

Special Senses

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Patient Interview and History

Vital Signs and Measurements

Assisting With a General Physical Exam

Assisting in Reproductive and Urinary Specialties

Assisting in Pediatrics

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Assisting in Eye and Ear Care

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Orientation to the Lab

Microbiology and Disease

Processing and Testing Urine and Stool Samples

Electrocardiography and Pulmonary Function Testing

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Principles of Pharmacology

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Preparing for the World of Work

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