Question 1

Blood obtained via capillary puncture can be collected

Accepted Answer

A)  in Microtainer tubes. 
B)  in capillary tubes. 
C)  in microhematocrit tubes. 
D)  onto filter paper. 
E)  All of the above 
A)  in Microtainer tubes. 
B)  in capillary tubes. 
C)  in microhematocrit tubes. 
D)  onto filter paper. 
E)  All of the above

Question 2

The ____________ is the part of the venipuncture needle that fits into the syringe or Vacutainer adapter.

Accepted Answer

A)  shaft 
B)  bevel 
C)  hub 
D)  retractable sheath 
A)  shaft 
B)  bevel 
C)  hub 
D)  retractable sheath

Question 3

The proper procedure for collecting a serum specimen is to

Accepted Answer

A)  use a green-topped tube. 
B)  allow the specimen to clot. 
C)  use a microhematocrit tube. 
D)  use a red or marbled-top tube. 
E)  B and D. 
A)  use a green-topped tube. 
B)  allow the specimen to clot. 
C)  use a microhematocrit tube. 
D)  use a red or marbled-top tube. 
E)  B and D.

Question 4

The needle size most commonly used by the blood bank for donations is _____ gauge.

Accepted Answer

A)  16 
B)  10 
C)  35 
D)  21 
A)  16 
B)  10 
C)  35 
D)  21

Question 5

The laboratory requisition indicates that you are to collect a venous blood specimen for hematology testing, serum chemistry testing, and coagulation studies. What is the proper order of collection for these tubes?

Accepted Answer

A)  Red, light blue, lavender 
B)  Yellow, red, light blue 
C)  Light blue, red, lavender 
D)  Two lavender, one red 
A)  Red, light blue, lavender 
B)  Yellow, red, light blue 
C)  Light blue, red, lavender 
D)  Two lavender, one red

Question 6

What is the major cause of specimen rejection?

Accepted Answer

A)  Insufficient quantity 
B)  Incorrect tube used for the test ordered 
C)  Hemolysis 
D)  Improper handling 
E)  Defective tube 
A)  Insufficient quantity 
B)  Incorrect tube used for the test ordered 
C)  Hemolysis 
D)  Improper handling 
E)  Defective tube

Question 7

The color of the tube top for collection of a coagulation test is

Accepted Answer

A)  green. 
B)  light blue. 
C)  gray. 
D)  lavender. 
A)  green. 
B)  light blue. 
C)  gray. 
D)  lavender.

Question 8

A tourniquet should remain tied on a patient's arm no longer than

Accepted Answer

A)  3 minutes. 
B)  2 minutes. 
C)  5 minutes. 
D)  1 minute. 
E)  necessary. 
A)  3 minutes. 
B)  2 minutes. 
C)  5 minutes. 
D)  1 minute. 
E)  necessary.

Question 9

Light blue tubes for coagulation studies should be inverted how many times following removal and prior to placing them in the rack?

Accepted Answer

A)  Two times 
B)  Three or four times 
C)  Five times 
D)  Eight to ten times 
A)  Two times 
B)  Three or four times 
C)  Five times 
D)  Eight to ten times

Question 10

Why should a tourniquet not be tied too tightly?

Accepted Answer

A)  It impedes arterial blood flow. 
B)  It restricts venous blood return. 
C)  It results in poor venous distention. 
D)  All of the above are correct. 
A)  It impedes arterial blood flow. 
B)  It restricts venous blood return. 
C)  It results in poor venous distention. 
D)  All of the above are correct.

Question 11

When a medical assistant obtains a capillary blood sample, it is important that he or she squeeze and "milk" the finger to obtain an adequate amount of blood.

Accepted Answer

A) True 
 B)False

Question 12

_______________ are used for small veins, such as those in the hand or in a pediatric patient.

Accepted Answer

Butterfly needles
Butterfly ne

Question 13

Which is the most correct method for performing a capillary puncture?

Accepted Answer

A)  Squeeze the finger to get an adequate blood sample. 
B)  Use the anterior surface of the finger. 
C)  Wipe away the first drop of blood and then collect the sample. 
D)  Cleanse the finger with an alcohol antiseptic and immediately perform the finger puncture. 
A)  Squeeze the finger to get an adequate blood sample. 
B)  Use the anterior surface of the finger. 
C)  Wipe away the first drop of blood and then collect the sample. 
D)  Cleanse the finger with an alcohol antiseptic and immediately perform the finger puncture.

Question 14

A hematoma can be caused by

Accepted Answer

A)  excessive probing to locate a vein. 
B)  failure to insert the needle far enough into the vein. 
C)  penetration of the needle through a vein. 
D)  All of the above 
A)  excessive probing to locate a vein. 
B)  failure to insert the needle far enough into the vein. 
C)  penetration of the needle through a vein. 
D)  All of the above

Question 15

All Vacutainer tubes should be inverted three to five times to mix the blood sample with the tube additive.

Accepted Answer

A) True 
 B)False

Question 16

Plasma could be retrieved from a

Accepted Answer

A)  lavender tube. 
B)  SST red-gray tube. 
C)  PST green-gray tube. 
D)  B and C. 
E)  All of the above 
A)  lavender tube. 
B)  SST red-gray tube. 
C)  PST green-gray tube. 
D)  B and C. 
E)  All of the above

Question 17

If blood is flowing into the Vacutainer too slowly, you should withdraw the needle slightly to center it in the vein.

Accepted Answer

A) True 
 B)False

Question 18

Without a clot activator, whole blood typically clots in _________ minutes.

Accepted Answer

A)  1 to 2 
B)  60 to 90 
C)  30 to 60 
D)  5 to 10 
A)  1 to 2 
B)  60 to 90 
C)  30 to 60 
D)  5 to 10

Question 19

A syringe is preferred over a Vacutainer collection device when

Accepted Answer

A)  the patient's veins are fragile. 
B)  the sample must be drawn from the hand veins. 
C)  many tests have been ordered, and multiple tubes must be drawn. 
D)  All of the above 
A)  the patient's veins are fragile. 
B)  the sample must be drawn from the hand veins. 
C)  many tests have been ordered, and multiple tubes must be drawn. 
D)  All of the above

Question 20

Which of the following collection tubes contains thixotropic gel?

Accepted Answer

A)  Lavender 
B)  Red 
C)  Green-gray 
D)  Light green 
E)  Both C and D 
A)  Lavender 
B)  Red 
C)  Green-gray 
D)  Light green 
E)  Both C and D

Exam 46: Assisting in Blood Collection

Blood obtained via capillary puncture can be collected

The ____________ is the part of the venipuncture needle that fits into the syringe or Vacutainer adapter.

The proper procedure for collecting a serum specimen is to

The needle size most commonly used by the blood bank for donations is _____ gauge.

The laboratory requisition indicates that you are to collect a venous blood specimen for hematology testing, serum chemistry testing, and coagulation studies. What is the proper order of collection for these tubes?

What is the major cause of specimen rejection?

The color of the tube top for collection of a coagulation test is

A tourniquet should remain tied on a patient's arm no longer than

Light blue tubes for coagulation studies should be inverted how many times following removal and prior to placing them in the rack?

Why should a tourniquet not be tied too tightly?

When a medical assistant obtains a capillary blood sample, it is important that he or she squeeze and "milk" the finger to obtain an adequate amount of blood.

_______________ are used for small veins, such as those in the hand or in a pediatric patient.

Which is the most correct method for performing a capillary puncture?

A hematoma can be caused by

All Vacutainer tubes should be inverted three to five times to mix the blood sample with the tube additive.

Plasma could be retrieved from a

If blood is flowing into the Vacutainer too slowly, you should withdraw the needle slightly to center it in the vein.

Without a clot activator, whole blood typically clots in _________ minutes.

A syringe is preferred over a Vacutainer collection device when

Which of the following collection tubes contains thixotropic gel?

Competency-Based Education and the Medical Assistant Student

The Medical Assistant and the Healthcare Team

Professional Behavior in the Workplace

Therapeutic Communications

Medicine and Law

Medicine and Ethics

Technology and Written Communication in the Medical Office

Telephone Techniques

Scheduling Appointments and Patient Processing

Daily Operations in the Ambulatory Care Setting

The Health Record

Basics of Diagnostic Coding

Basics of Procedural Coding

Basics of Health Insurance

Medical Billing and Reimbursement

Patient Accounts, Collections, and Practice Management

Banking Services and Procedures

Supervision and Human Resources Management

Medical Practice Marketing and Customer Service

Infection Control

Patient Assessment

Patient Education

Nutrition and Health Promotion

Vital Signs

Assisting with the Primary Physical Examination

Principles of Pharmacology

Pharmacology Math

Administering Medications

Safety and Emergency Practices

Assisting in Ophthalmology and Otolaryngology

Assisting in Dermatology

Assisting in Gastroenterology

Assisting in Urology and Male Reproduction

Assisting in Obstetrics and Gynecology

Assisting in Pediatrics

Assisting in Orthopedic Medicine

Assisting in Neurology and Mental Health

Assisting in Endocrinology

Assisting in Pulmonary Medicine

Assisting in Cardiology

Assisting in Geriatrics

Principles of Electrocardiography

Assisting with Diagnostic Imaging

Assisting in the Clinical Laboratory

Assisting in the Analysis of Urine

Assisting in the Analysis of Blood

Assisting in Microbiology and Immunology

Surgical Supplies and Instruments

Surgical Asepsis and Assisting with Surgical Procedures

Career Development and Life Skills

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