Question 1

When a central venous access device (CVAD) is present:

Accepted Answer

A)  blood is drawn from the line using a 30-mL syringe. 
B)  laboratory specimens should not be collected from the catheter. 
C)  blood is drawn and discarded before the specimen is collected. 
D)  an evacuated tube is attached to the line for specimen collection. 
A)  blood is drawn from the line using a 30-mL syringe. 
B)  laboratory specimens should not be collected from the catheter. 
C)  blood is drawn and discarded before the specimen is collected. 
D)  an evacuated tube is attached to the line for specimen collection.

Question 2

Match the following variables with the possible effect on test results.
-Herbal supplements

Accepted Answer

A) Decreased glucose 
B) Decreased white blood cell (WBCs) and platelets 
C) Increased cholesterol and triglycerides 
D) Increased hemoglobin 
E) Increased PO2 and white blood cells (WBCs)
F)Increased prothrombin time (PT) and activated partial thromboplastin time (APTT) 
A) Decreased glucose 
B) Decreased white blood cell (WBCs) and platelets 
C) Increased cholesterol and triglycerides 
D) Increased hemoglobin 
E) Increased PO2 and white blood cells (WBCs)
F)Increased prothrombin time (PT) and activated partial thromboplastin time (APTT)

Question 3

A phlebotomist with a request for a stat glucose does not find the patient in the room. The phlebotomist should:

Accepted Answer

A)  return the requisition slip to the laboratory. 
B)  check back after completing rounds. 
C)  check the patient's location with the nursing station. 
D)  ask the hospital telephone operator to page the patient. 
A)  return the requisition slip to the laboratory. 
B)  check back after completing rounds. 
C)  check the patient's location with the nursing station. 
D)  ask the hospital telephone operator to page the patient.

Question 4

Using a small-gauge needle with a large evacuated tube can cause:

Accepted Answer

A)  a hematoma. 
B)  petechiae. 
C)  hemolysis. 
D)  patient discomfort. 
A)  a hematoma. 
B)  petechiae. 
C)  hemolysis. 
D)  patient discomfort.

Question 5

Prolonged application of a tourniquet (for greater than 1 minute) during routine blood collection procedures results in which of the following events:

Accepted Answer

A)  no effect on patient results will occur except for tests for lactic acid. 
B)  causes hemoconcentration because cells and large molecules are forced into the bloodstream. 
C)  no significant effects on patient results will occur. 
D)  causes hemoconcentration as the plasma portion of the blood is forced into the tissues. 
A)  no effect on patient results will occur except for tests for lactic acid. 
B)  causes hemoconcentration because cells and large molecules are forced into the bloodstream. 
C)  no significant effects on patient results will occur. 
D)  causes hemoconcentration as the plasma portion of the blood is forced into the tissues.

Question 6

Before leaving a patient's room, a phlebotomist should ask the patient if he or she would like a glass of water.

Accepted Answer

A) True 
 B)False

Question 7

Collection of specimens from leg veins is not recommended in all of the following except:

Accepted Answer

A)  patients with multiple fractures. 
B)  diabetic patients. 
C)  patients with coagulation disorders. 
D)  cardiac patients. 
A)  patients with multiple fractures. 
B)  diabetic patients. 
C)  patients with coagulation disorders. 
D)  cardiac patients.

Question 8

Patients taking diuretics frequently have blood drawn to monitor:

Accepted Answer

A)  cholesterol. 
B)  blood urea nitrogen (BUN). 
C)  potassium. 
D)  glucose. 
A)  cholesterol. 
B)  blood urea nitrogen (BUN). 
C)  potassium. 
D)  glucose.

Question 9

Commercial identification bands with built-in matching stickers that may be placed on the patient's blood sample tubes are particularly useful for which of the following types of samples:

Accepted Answer

A)  outpatient services. 
B)  coagulation tests. 
C)  transfusion service (blood bank). 
D)  chemistry tests. 
A)  outpatient services. 
B)  coagulation tests. 
C)  transfusion service (blood bank). 
D)  chemistry tests.

Question 10

A phlebotomist is making morning rounds in the medical-surgical patient unit. Patient A is an elderly man requiring venipuncture for glucose and electrolytes. Patient B has an intravenous line running in the left antecubital area, and a prothrombin time (PT) and liver profile are requested. Patient C has a large hematoma in the right antecubital area and a fistula in the left arm. Answer the following questions in relation to these patients.
-How can the phlebotomist collect a specimen from patient A?

Accepted Answer

Use a syri

Question 11

Fistulas are seen in patients who:

Accepted Answer

A)  are receiving dialysis. 
B)  have very fragile veins. 
C)  must be rapidly transfused. 
D)  are receiving frequent medications. 
A)  are receiving dialysis. 
B)  have very fragile veins. 
C)  must be rapidly transfused. 
D)  are receiving frequent medications.

Question 12

When collecting blood using a butterfly all of the following are acceptable except:

Accepted Answer

A)  lowering the angle of insertion. 
B)  drawing blood into the syringe. 
C)  using a 15-mL evacuated tube. 
D)  threading the needle into the vein. 
A)  lowering the angle of insertion. 
B)  drawing blood into the syringe. 
C)  using a 15-mL evacuated tube. 
D)  threading the needle into the vein.

Question 13

Match the following variables with the possible effect on test results.
-Smoking

Accepted Answer

A) Decreased glucose 
B) Decreased white blood cell (WBCs) and platelets 
C) Increased cholesterol and triglycerides 
D) Increased hemoglobin 
E) Increased PO2 and white blood cells (WBCs)
F)Increased prothrombin time (PT) and activated partial thromboplastin time (APTT) 
A) Decreased glucose 
B) Decreased white blood cell (WBCs) and platelets 
C) Increased cholesterol and triglycerides 
D) Increased hemoglobin 
E) Increased PO2 and white blood cells (WBCs)
F)Increased prothrombin time (PT) and activated partial thromboplastin time (APTT)

Question 14

The puncture site may require additional pressure to stop bleeding when the patient:

Accepted Answer

A)  has low blood pressure. 
B)  is taking anticoagulants. 
C)  frequently takes aspirin. 
D)  both B and C 
A)  has low blood pressure. 
B)  is taking anticoagulants. 
C)  frequently takes aspirin. 
D)  both B and C

Question 15

When a request for collection of a blood sample is telephoned to the laboratory, the phlebotomist should:

Accepted Answer

A)  request delivery of a requisition form. 
B)  pick up the requisition form at the collection area. 
C)  notify the phlebotomy supervisor. 
D)  suggest that the nurse collect the specimen. 
A)  request delivery of a requisition form. 
B)  pick up the requisition form at the collection area. 
C)  notify the phlebotomy supervisor. 
D)  suggest that the nurse collect the specimen.

Question 16

Which of the following patient conditions will prolong the time it takes to stop the bleeding from a venipuncture site?

Accepted Answer

A)  Low blood pressure 
B)  Low blood sugar 
C)  Patient taking Coumadin 
D)  Patient taking vitamin K 
A)  Low blood pressure 
B)  Low blood sugar 
C)  Patient taking Coumadin 
D)  Patient taking vitamin K

Question 17

Using a 20-gauge needle and a 10-mL evacuated tube on a small vein may cause:

Accepted Answer

A)  specimen hemolysis. 
B)  a hematoma. 
C)  a collapsed vein. 
D)  loss of tube vacuum. 
A)  specimen hemolysis. 
B)  a hematoma. 
C)  a collapsed vein. 
D)  loss of tube vacuum.

Question 18

Areas that should be avoided for venipuncture include all of the following except:

Accepted Answer

A)  hematomas. 
B)  deep cephalic veins. 
C)  sclerosed veins. 
D)  tattoos. 
A)  hematomas. 
B)  deep cephalic veins. 
C)  sclerosed veins. 
D)  tattoos.

Question 19

Collection of blood from an area that is edematous:

Accepted Answer

A)  is acceptable for venipuncture. 
B)  may produce a hemoconcentrated specimen. 
C)  is acceptable for dermal puncture. 
D)  should be avoided. 
A)  is acceptable for venipuncture. 
B)  may produce a hemoconcentrated specimen. 
C)  is acceptable for dermal puncture. 
D)  should be avoided.

Question 20

The best way to prevent fainting in a patient during blood collection is to:

Accepted Answer

A)  have the patient stand during the phlebotomy. 
B)  have the patient lie down during the phlebotomy. 
C)  have the patient pump the fist three times. 
D)  place a pillow under the patient's head. 
A)  have the patient stand during the phlebotomy. 
B)  have the patient lie down during the phlebotomy. 
C)  have the patient pump the fist three times. 
D)  place a pillow under the patient's head.

When a central venous access device (CVAD) is present:

Match the following variables with the possible effect on test results. -Herbal supplements

A phlebotomist with a request for a stat glucose does not find the patient in the room. The phlebotomist should:

Using a small-gauge needle with a large evacuated tube can cause:

Prolonged application of a tourniquet (for greater than 1 minute) during routine blood collection procedures results in which of the following events:

Before leaving a patient's room, a phlebotomist should ask the patient if he or she would like a glass of water.

Collection of specimens from leg veins is not recommended in all of the following except:

Patients taking diuretics frequently have blood drawn to monitor:

Commercial identification bands with built-in matching stickers that may be placed on the patient's blood sample tubes are particularly useful for which of the following types of samples:

Fistulas are seen in patients who:

When collecting blood using a butterfly all of the following are acceptable except:

Match the following variables with the possible effect on test results. -Smoking

The puncture site may require additional pressure to stop bleeding when the patient:

When a request for collection of a blood sample is telephoned to the laboratory, the phlebotomist should:

Which of the following patient conditions will prolong the time it takes to stop the bleeding from a venipuncture site?

Using a 20-gauge needle and a 10-mL evacuated tube on a small vein may cause:

Areas that should be avoided for venipuncture include all of the following except:

Collection of blood from an area that is edematous:

The best way to prevent fainting in a patient during blood collection is to:

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

Special Blood Collection

Dermal Puncture

Quality Assessment and Management in Phlebotomy

Arterial Blood Collection

Point-Of-Care Testing

Additional Duties of the Phlebotomist

Filters

Exam 10: Venipuncture Complications and Preexamination Variables

When a central venous access device (CVAD) is present:

Match the following variables with the possible effect on test results. -Herbal supplements

A phlebotomist with a request for a stat glucose does not find the patient in the room. The phlebotomist should:

Using a small-gauge needle with a large evacuated tube can cause:

Prolonged application of a tourniquet (for greater than 1 minute) during routine blood collection procedures results in which of the following events:

Before leaving a patient's room, a phlebotomist should ask the patient if he or she would like a glass of water.

Collection of specimens from leg veins is not recommended in all of the following except:

Patients taking diuretics frequently have blood drawn to monitor:

Commercial identification bands with built-in matching stickers that may be placed on the patient's blood sample tubes are particularly useful for which of the following types of samples:

Fistulas are seen in patients who:

When collecting blood using a butterfly all of the following are acceptable except:

Match the following variables with the possible effect on test results. -Smoking

The puncture site may require additional pressure to stop bleeding when the patient:

When a request for collection of a blood sample is telephoned to the laboratory, the phlebotomist should:

Which of the following patient conditions will prolong the time it takes to stop the bleeding from a venipuncture site?

Using a 20-gauge needle and a 10-mL evacuated tube on a small vein may cause:

Areas that should be avoided for venipuncture include all of the following except:

Collection of blood from an area that is edematous:

The best way to prevent fainting in a patient during blood collection is to:

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

Special Blood Collection

Dermal Puncture

Quality Assessment and Management in Phlebotomy

Arterial Blood Collection

Point-Of-Care Testing

Additional Duties of the Phlebotomist

Filters