Question 1

When warming a dermal puncture site, the temperature should not exceed:

Accepted Answer

A)  32°C. 
B)  42°C. 
C)  52°C. 
D)  62°C. 
A)  32°C. 
B)  42°C. 
C)  52°C. 
D)  62°C.

Question 2

Blood collected by dermal puncture most closely resembles:

Accepted Answer

A)  venous blood. 
B)  anticoagulated blood. 
C)  arterial blood. 
D)  clotted blood. 
A)  venous blood. 
B)  anticoagulated blood. 
C)  arterial blood. 
D)  clotted blood.

Question 3

Specimens for newborn filter paper tests are collected from the:

Accepted Answer

A)  plantar area of the heel. 
B)  volar surface of the arm. 
C)  back of the heel. 
D)  arch of the foot. 
A)  plantar area of the heel. 
B)  volar surface of the arm. 
C)  back of the heel. 
D)  arch of the foot.

Question 4

Blood smears are important for evaluating:

Accepted Answer

A)  the coagulation system. 
B)  blood cell morphology. 
C)  neonatal bilirubin concentration. 
D)  autoimmune disorders. 
A)  the coagulation system. 
B)  blood cell morphology. 
C)  neonatal bilirubin concentration. 
D)  autoimmune disorders.

Question 5

Plastic beads are present in some microcollection tubes to facilitate:

Accepted Answer

A)  clotting. 
B)  mixing. 
C)  serum and cell separation. 
D)  plasma and cell separation. 
A)  clotting. 
B)  mixing. 
C)  serum and cell separation. 
D)  plasma and cell separation.

Question 6

Alternating between venipuncture and dermal puncture collection techniques is not recommended when comparing test results for:

Accepted Answer

A)  bilirubin. 
B)  hemoglobin. 
C)  reticulocytes. 
D)  glucose. 
A)  bilirubin. 
B)  hemoglobin. 
C)  reticulocytes. 
D)  glucose.

Question 7

When preparing a blood smear, the first drop of blood is not wiped away.

Accepted Answer

A) True 
 B)False

Question 8

All of the following are reasons why hemolysis is seen more frequently in specimens collected by dermal puncture than venipuncture except:

Accepted Answer

A)  lancets make a wider incision. 
B)  newborns have high red blood cell counts. 
C)  excessive squeezing may have been used. 
D)  red blood cells of newborns are more fragile. 
A)  lancets make a wider incision. 
B)  newborns have high red blood cell counts. 
C)  excessive squeezing may have been used. 
D)  red blood cells of newborns are more fragile.

Question 9

Preparing smears of the patient's blood sample on glass microscope slides can present special hazards to the phlebotomist. All of the following responses are example of these special hazards except:

Accepted Answer

A)  the blood must be forced from the needle onto the slide. 
B)  gloves must be worn when handling the slides. 
C)  the needle cannot be disposed of until the smear has been made. 
D)  the blood smears are considered infectious until they have been fixed with alcohol. 
A)  the blood must be forced from the needle onto the slide. 
B)  gloves must be worn when handling the slides. 
C)  the needle cannot be disposed of until the smear has been made. 
D)  the blood smears are considered infectious until they have been fixed with alcohol.

Question 10

Puncture devices should be firmly placed on the skin before activation.

Accepted Answer

A) True 
 B)False

Question 11

A bleeding time is performed to evaluate the function of:

Accepted Answer

A)  red blood cells. 
B)  platelets. 
C)  white blood cells. 
D)  blood vessels. 
A)  red blood cells. 
B)  platelets. 
C)  white blood cells. 
D)  blood vessels.

Question 12

Most states require testing of newborns for:

Accepted Answer

A)  Down syndrome. 
B)  cystic fibrosis. 
C)  sickle cell anemia. 
D)  phenylketonuria. 
A)  Down syndrome. 
B)  cystic fibrosis. 
C)  sickle cell anemia. 
D)  phenylketonuria.

Question 13

All of the following will affect the quality of a blood smear except:

Accepted Answer

A)  pushing the spreader slide the complete length of the smear. 
B)  increased pressure on the spreader slide. 
C)  pushing the spreader slide too slowly. 
D)  using a dirty spreader slide. 
A)  pushing the spreader slide the complete length of the smear. 
B)  increased pressure on the spreader slide. 
C)  pushing the spreader slide too slowly. 
D)  using a dirty spreader slide.

Question 14

When performing a bleeding time on an adult, the incision is made:

Accepted Answer

A)  vertical to the antecubital crease. 
B)  parallel to the cephalic vein. 
C)  horizontal to the antecubital crease. 
D)  perpendicular to the antecubital crease. 
A)  vertical to the antecubital crease. 
B)  parallel to the cephalic vein. 
C)  horizontal to the antecubital crease. 
D)  perpendicular to the antecubital crease.

Question 15

A phlebotomist does not allow the alcohol to dry before performing a dermal puncture.
-What is the primary cause of falsely decreased neonatal bilirubins?

Accepted Answer

Prolonged

Question 16

The depth of a dermal puncture must be controlled to:

Accepted Answer

A)  prevent hemolysis. 
B)  ensure adequate blood flow. 
C)  prevent contact with bone. 
D)  obtain a representative sample. 
A)  prevent hemolysis. 
B)  ensure adequate blood flow. 
C)  prevent contact with bone. 
D)  obtain a representative sample.

Question 17

What is the most acceptable puncture site for a 6-month-old infant?

Accepted Answer

A)  Heel 
B)  Antecubital vein 
C)  Middle finger 
D)  All of the above 
A)  Heel 
B)  Antecubital vein 
C)  Middle finger 
D)  All of the above

Question 18

Following a dermal puncture, the phlebotomist should first:

Accepted Answer

A)  prepare the blood smear. 
B)  massage the site. 
C)  wipe away the first drop of blood. 
D)  fill the lavender stopper Microtainer. 
A)  prepare the blood smear. 
B)  massage the site. 
C)  wipe away the first drop of blood. 
D)  fill the lavender stopper Microtainer.

Question 19

The purpose of a thick malaria smear is to:

Accepted Answer

A)  increase parasite multiplication. 
B)  detect the presence of Plasmodium species. 
C)  identify the Plasmodium species. 
D)  produce better staining reactions. 
A)  increase parasite multiplication. 
B)  detect the presence of Plasmodium species. 
C)  identify the Plasmodium species. 
D)  produce better staining reactions.

Question 20

Capillary punctures on newborns are performed on the:

Accepted Answer

A)  index finger. 
B)  plantar area of the heel. 
C)  back of the heel. 
D)  earlobe. 
A)  index finger. 
B)  plantar area of the heel. 
C)  back of the heel. 
D)  earlobe.

When warming a dermal puncture site, the temperature should not exceed:

Blood collected by dermal puncture most closely resembles:

Specimens for newborn filter paper tests are collected from the:

Blood smears are important for evaluating:

Plastic beads are present in some microcollection tubes to facilitate:

Alternating between venipuncture and dermal puncture collection techniques is not recommended when comparing test results for:

When preparing a blood smear, the first drop of blood is not wiped away.

All of the following are reasons why hemolysis is seen more frequently in specimens collected by dermal puncture than venipuncture except:

Preparing smears of the patient's blood sample on glass microscope slides can present special hazards to the phlebotomist. All of the following responses are example of these special hazards except:

Puncture devices should be firmly placed on the skin before activation.

A bleeding time is performed to evaluate the function of:

Most states require testing of newborns for:

All of the following will affect the quality of a blood smear except:

When performing a bleeding time on an adult, the incision is made:

A phlebotomist does not allow the alcohol to dry before performing a dermal puncture. -What is the primary cause of falsely decreased neonatal bilirubins?

The depth of a dermal puncture must be controlled to:

What is the most acceptable puncture site for a 6-month-old infant?

Following a dermal puncture, the phlebotomist should first:

The purpose of a thick malaria smear is to:

Capillary punctures on newborns are performed on the:

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

When warming a dermal puncture site, the temperature should not exceed:

Blood collected by dermal puncture most closely resembles:

Specimens for newborn filter paper tests are collected from the:

Blood smears are important for evaluating:

Plastic beads are present in some microcollection tubes to facilitate:

Alternating between venipuncture and dermal puncture collection techniques is not recommended when comparing test results for:

When preparing a blood smear, the first drop of blood is not wiped away.

All of the following are reasons why hemolysis is seen more frequently in specimens collected by dermal puncture than venipuncture except:

Preparing smears of the patient's blood sample on glass microscope slides can present special hazards to the phlebotomist. All of the following responses are example of these special hazards except:

Puncture devices should be firmly placed on the skin before activation.

A bleeding time is performed to evaluate the function of:

Most states require testing of newborns for:

All of the following will affect the quality of a blood smear except:

When performing a bleeding time on an adult, the incision is made:

A phlebotomist does not allow the alcohol to dry before performing a dermal puncture. -What is the primary cause of falsely decreased neonatal bilirubins?

The depth of a dermal puncture must be controlled to:

What is the most acceptable puncture site for a 6-month-old infant?

Following a dermal puncture, the phlebotomist should first:

The purpose of a thick malaria smear is to:

Capillary punctures on newborns are performed on the:

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