Question 1

A phlebotomist does not allow the alcohol to dry before performing a dermal puncture.
-How will an infant with a falsely negative phenylketonuria (PKU) test be affected?

Accepted Answer

The answer of A phlebotomist does not allow the alcohol...

Question 2

Selection of an improper heel puncture site can result in:

Accepted Answer

A)  puncture of the calcaneous. 
B)  specimen hemolysis. 
C)  the need for vigorous massaging. 
D)  increased blood flow. 
A)  puncture of the calcaneous. 
B)  specimen hemolysis. 
C)  the need for vigorous massaging. 
D)  increased blood flow.

Question 3

Warming the site of a dermal puncture will:

Accepted Answer

A)  increase the flow of venous blood to the site. 
B)  increase the flow of arterial blood to the site. 
C)  increase the possibility of hemolysis. 
D)  produce excess tissue fluid contamination. 
A)  increase the flow of venous blood to the site. 
B)  increase the flow of arterial blood to the site. 
C)  increase the possibility of hemolysis. 
D)  produce excess tissue fluid contamination.

Question 4

Blood collected by dermal puncture closely resembles the composition of arterial blood for all of the following reasons except:

Accepted Answer

A)  warming the site increases blood flow in the area. 
B)  capillary samples come from the capillaries, arterioles, and venules. 
C)  arteries naturally lie near the surface of the collection sites used for dermal puncture. 
D)  because of the action of arterial pressure. 
A)  warming the site increases blood flow in the area. 
B)  capillary samples come from the capillaries, arterioles, and venules. 
C)  arteries naturally lie near the surface of the collection sites used for dermal puncture. 
D)  because of the action of arterial pressure.

Question 5

The width of the dermal puncture is more important than the depth to produce adequate blood flow.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is not used in microcollection?

Accepted Answer

A)  Lancet 
B)  Autolet 
C)  Tourniquet 
D)  Microtainer 
A)  Lancet 
B)  Autolet 
C)  Tourniquet 
D)  Microtainer

Question 7

Laws in all states of the United States require testing for all of the following diseases in newborns using a heel stick specimen except:

Accepted Answer

A)  galactosemia. 
B)  congenital hypothyroidism. 
C)  jaundice or elevated bilirubin. 
D)  phenylketonuria (PKU). 
A)  galactosemia. 
B)  congenital hypothyroidism. 
C)  jaundice or elevated bilirubin. 
D)  phenylketonuria (PKU).

Question 8

The area used for performing a template bleeding time is the:

Accepted Answer

A)  earlobe. 
B)  plantar surface of the arm. 
C)  antecubital fossa. 
D)  volar surface of the arm. 
A)  earlobe. 
B)  plantar surface of the arm. 
C)  antecubital fossa. 
D)  volar surface of the arm.

Question 9

Collection of excess blood from a premature infant could cause:

Accepted Answer

A)  hemorrhage. 
B)  venous thrombosis. 
C)  anemia. 
D)  gangrene. 
A)  hemorrhage. 
B)  venous thrombosis. 
C)  anemia. 
D)  gangrene.

Question 10

To obtain the best flow of blood from a dermal puncture, the phlebotomist should:

Accepted Answer

A)  alternately apply and release pressure to the site. 
B)  tightly squeeze the area above the site. 
C)  frequently wipe the site with alcohol. 
D)  firmly massage the area around the puncture site. 
A)  alternately apply and release pressure to the site. 
B)  tightly squeeze the area above the site. 
C)  frequently wipe the site with alcohol. 
D)  firmly massage the area around the puncture site.

Question 11

For safety purposes, capillary collection tubes should be sealed by embedding them in clay.

Accepted Answer

A) True 
 B)False

Question 12

Detection and identification of parasites in red blood cells requires:

Accepted Answer

A)  preparation of thick and thin blood smears. 
B)  a blood smear with two feathered edges. 
C)  culturing of hemolyzed blood. 
D)  blood collection by venipuncture. 
A)  preparation of thick and thin blood smears. 
B)  a blood smear with two feathered edges. 
C)  culturing of hemolyzed blood. 
D)  blood collection by venipuncture.

Question 13

The major vascular area of the skin is located in the:

Accepted Answer

A)  dermal layer. 
B)  cutaneous layer. 
C)  soft tissue. 
D)  dermal-subcutaneous juncture. 
A)  dermal layer. 
B)  cutaneous layer. 
C)  soft tissue. 
D)  dermal-subcutaneous juncture.

Question 14

Natelson pipettes and microhematocrit tubes differ with respect to:

Accepted Answer

A)  color coding. 
B)  ability to produce plasma. 
C)  size. 
D)  ability to produce serum. 
A)  color coding. 
B)  ability to produce plasma. 
C)  size. 
D)  ability to produce serum.

Question 15

A phlebotomist stocks the phlebotomy tray with both red and blue banded microhematocrit tubes.
-What is the significance of the red band?

Accepted Answer

Tubes are

Question 16

Using a lancet that produces a puncture deeper than recommended may cause:

Accepted Answer

A)  septicemia. 
B)  hemolysis. 
C)  osteomyelitis. 
D)  specimen contamination. 
A)  septicemia. 
B)  hemolysis. 
C)  osteomyelitis. 
D)  specimen contamination.

Question 17

A phlebotomist has a requisition to collect a bilirubin and a complete blood count (CBC) from a newborn. The phlebotomist collects the bilirubin first but is unable to fill the microcollection tube for the CBC. The phlebotomist performs a second puncture and finishes filling the tube for the CBC.
-What is the first mistake made by the phlebotomist?

Accepted Answer

Collecting

Question 18

The microspecimen collection container that would hold the largest volume of blood is a:

Accepted Answer

A)  microhematocrit tube. 
B)  Natelson pipette. 
C)  microcollection tube. 
D)  Unopette. 
A)  microhematocrit tube. 
B)  Natelson pipette. 
C)  microcollection tube. 
D)  Unopette.

Question 19

When collecting neonatal filter paper screening tests, blood should be visible on both sides of the filter paper.

Accepted Answer

A) True 
 B)False

Question 20

Patients taking herbal medications may have a prolonged bleeding time.

Accepted Answer

A) True 
 B)False

A phlebotomist does not allow the alcohol to dry before performing a dermal puncture. -How will an infant with a falsely negative phenylketonuria (PKU) test be affected?

Selection of an improper heel puncture site can result in:

Warming the site of a dermal puncture will:

Blood collected by dermal puncture closely resembles the composition of arterial blood for all of the following reasons except:

The width of the dermal puncture is more important than the depth to produce adequate blood flow.

Which of the following is not used in microcollection?

Laws in all states of the United States require testing for all of the following diseases in newborns using a heel stick specimen except:

The area used for performing a template bleeding time is the:

Collection of excess blood from a premature infant could cause:

To obtain the best flow of blood from a dermal puncture, the phlebotomist should:

For safety purposes, capillary collection tubes should be sealed by embedding them in clay.

Detection and identification of parasites in red blood cells requires:

The major vascular area of the skin is located in the:

Natelson pipettes and microhematocrit tubes differ with respect to:

A phlebotomist stocks the phlebotomy tray with both red and blue banded microhematocrit tubes. -What is the significance of the red band?

Using a lancet that produces a puncture deeper than recommended may cause:

The microspecimen collection container that would hold the largest volume of blood is a:

When collecting neonatal filter paper screening tests, blood should be visible on both sides of the filter paper.

Patients taking herbal medications may have a prolonged bleeding time.

Phlebotomy and the Health-Care Delivery System

The Clinical Laboratory

Regulatory, Ethical, and Legal Issues

Safety and Infection Control

Basic Medical Terminology

Basic Anatomy and Physiology

Circulatory System

Venipuncture Equipment

Routine Venipuncture

Venipuncture Complications and Preexamination Variables

Special Blood Collection

Quality Assessment and Management in Phlebotomy

Arterial Blood Collection

Point-Of-Care Testing

Additional Duties of the Phlebotomist

Filters

Exam 12: Dermal Puncture

A phlebotomist does not allow the alcohol to dry before performing a dermal puncture. -How will an infant with a falsely negative phenylketonuria (PKU) test be affected?

Selection of an improper heel puncture site can result in:

Warming the site of a dermal puncture will:

Blood collected by dermal puncture closely resembles the composition of arterial blood for all of the following reasons except:

The width of the dermal puncture is more important than the depth to produce adequate blood flow.

Which of the following is not used in microcollection?

Laws in all states of the United States require testing for all of the following diseases in newborns using a heel stick specimen except:

The area used for performing a template bleeding time is the:

Collection of excess blood from a premature infant could cause:

To obtain the best flow of blood from a dermal puncture, the phlebotomist should:

For safety purposes, capillary collection tubes should be sealed by embedding them in clay.

Detection and identification of parasites in red blood cells requires:

The major vascular area of the skin is located in the:

Natelson pipettes and microhematocrit tubes differ with respect to:

A phlebotomist stocks the phlebotomy tray with both red and blue banded microhematocrit tubes. -What is the significance of the red band?

Using a lancet that produces a puncture deeper than recommended may cause:

The microspecimen collection container that would hold the largest volume of blood is a:

When collecting neonatal filter paper screening tests, blood should be visible on both sides of the filter paper.

Patients taking herbal medications may have a prolonged bleeding time.

Phlebotomy and the Health-Care Delivery System

The Clinical Laboratory

Regulatory, Ethical, and Legal Issues

Safety and Infection Control

Basic Medical Terminology

Basic Anatomy and Physiology

Circulatory System

Venipuncture Equipment

Routine Venipuncture

Venipuncture Complications and Preexamination Variables

Special Blood Collection

Quality Assessment and Management in Phlebotomy

Arterial Blood Collection

Point-Of-Care Testing

Additional Duties of the Phlebotomist

Filters