Question 1

Collection of a complete blood count (CBC) by dermal puncture is most likely to be requested for a patient:

Accepted Answer

A)  receiving chemotherapy. 
B)  with poor circulation. 
C)  with coronary artery disease. 
D)  receiving allergy injections. 
A)  receiving chemotherapy. 
B)  with poor circulation. 
C)  with coronary artery disease. 
D)  receiving allergy injections.

Question 2

A phlebotomist is recollecting a dermal puncture specimen because of hemolysis. The patient complains about a stinging sensation from the first puncture. The most probable cause of the hemolysis in the first specimen is:

Accepted Answer

A)  not allowing alcohol to dry. 
B)  excessive massaging. 
C)  vigorous mixing of the microcollection tube. 
D)  use of a small lancet. 
A)  not allowing alcohol to dry. 
B)  excessive massaging. 
C)  vigorous mixing of the microcollection tube. 
D)  use of a small lancet.

Question 3

All of the following statements about neonatal filter paper screening tests are true except:

Accepted Answer

A)  one large drop of blood is used to fill a circle. 
B)  both sides of the filter paper circle must be filled. 
C)  specimens are dried in a suspended, horizontal position. 
D)  stacking of specimens will cause cross-contamination. 
A)  one large drop of blood is used to fill a circle. 
B)  both sides of the filter paper circle must be filled. 
C)  specimens are dried in a suspended, horizontal position. 
D)  stacking of specimens will cause cross-contamination.

Question 4

All of the following can affect the quality of neonatal bilirubin results except:

Accepted Answer

A)  hemolysis. 
B)  exposure to light. 
C)  collection at the wrong time. 
D)  puncturing the plantar surface of the heel. 
A)  hemolysis. 
B)  exposure to light. 
C)  collection at the wrong time. 
D)  puncturing the plantar surface of the heel.

Question 5

When performing a bleeding time, the blood pressure cuff is deflated 30 seconds after the incision is made.

Accepted Answer

A) True 
 B)False

Question 6

A phlebotomist does not allow the alcohol to dry before performing a dermal puncture.
-How will this affect specimen collection?

Accepted Answer

Rounded dr

Collection of a complete blood count (CBC) by dermal puncture is most likely to be requested for a patient:

A phlebotomist is recollecting a dermal puncture specimen because of hemolysis. The patient complains about a stinging sensation from the first puncture. The most probable cause of the hemolysis in the first specimen is:

All of the following statements about neonatal filter paper screening tests are true except:

All of the following can affect the quality of neonatal bilirubin results except:

When performing a bleeding time, the blood pressure cuff is deflated 30 seconds after the incision is made.

A phlebotomist does not allow the alcohol to dry before performing a dermal puncture. -How will this affect specimen collection?

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

Collection of a complete blood count (CBC) by dermal puncture is most likely to be requested for a patient:

A phlebotomist is recollecting a dermal puncture specimen because of hemolysis. The patient complains about a stinging sensation from the first puncture. The most probable cause of the hemolysis in the first specimen is:

All of the following statements about neonatal filter paper screening tests are true except:

All of the following can affect the quality of neonatal bilirubin results except:

When performing a bleeding time, the blood pressure cuff is deflated 30 seconds after the incision is made.

A phlebotomist does not allow the alcohol to dry before performing a dermal puncture. -How will this affect specimen collection?

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