Question 1

Forcing blood from a syringe into an evacuated tube may:

Accepted Answer

A)  increase potassium values. 
B)  decrease glucose values. 
C)  produce lipemic serum. 
D)  contaminate a blood culture. 
A)  increase potassium values. 
B)  decrease glucose values. 
C)  produce lipemic serum. 
D)  contaminate a blood culture. A

Question 2

If a patient begins to faint during the venipuncture, the phlebotomist should immediately:

Accepted Answer

A)  lower the patient's head. 
B)  remove the tourniquet and needle. 
C)  summon a supervisor or nurse. 
D)  provide the patient with a sweet drink. 
A)  lower the patient's head. 
B)  remove the tourniquet and needle. 
C)  summon a supervisor or nurse. 
D)  provide the patient with a sweet drink. B

Question 3

A tourniquet is placed on the patient's arm, the vein is located, and the needle is inserted into the arm. No blood flows into the tube, but a dark bulge begins to appear at the puncture site. This describes:

Accepted Answer

A)  hemolysis. 
B)  hemodialysis. 
C)  hemoconcentration. 
D)  hematoma. 
A)  hemolysis. 
B)  hemodialysis. 
C)  hemoconcentration. 
D)  hematoma. D

Question 4

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

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 5

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.
-Where should the phlebotomist collect the specimen from patient C?

Accepted Answer

Right arm

Question 6

When using a blood pressure cuff as a tourniquet, the cuff is inflated:

Accepted Answer

A)  below the systolic and above the patient's diastolic pressure. 
B)  to 40 mm Hg. 
C)  and deflated three times. 
D)  above the systolic and below the patient's diastolic pressure. 
A)  below the systolic and above the patient's diastolic pressure. 
B)  to 40 mm Hg. 
C)  and deflated three times. 
D)  above the systolic and below the patient's diastolic pressure.

Question 7

A patient who appears pale and has cold, damp skin may develop:

Accepted Answer

A)  coagulation problems. 
B)  septicemia. 
C)  sclerosis. 
D)  syncope. 
A)  coagulation problems. 
B)  septicemia. 
C)  sclerosis. 
D)  syncope.

Question 8

A phlebotomist can interrupt a physician-patient visit:

Accepted Answer

A)  when the physician is not examining the patient. 
B)  if the collection is a timed specimen. 
C)  if the patient has visitors present. 
D)  when the patient is scheduled for routine phlebotomy rounds. 
A)  when the physician is not examining the patient. 
B)  if the collection is a timed specimen. 
C)  if the patient has visitors present. 
D)  when the patient is scheduled for routine phlebotomy rounds.

Question 9

The best reason why the majority of patient samples are drawn in the early morning hours is because:

Accepted Answer

A)  the patient will not be in the basal state early in the morning because this requires several hours of normal physical activity by the patient. 
B)  patients should have consumed a meal no less than three hours prior to the time of collection. 
C)  the patient will be in the basal state, having restrained from strenuous exercise and having fasted for approximately 12 hours. 
D)  patients are generally more agreeable with collection times scheduled early in the morning. 
A)  the patient will not be in the basal state early in the morning because this requires several hours of normal physical activity by the patient. 
B)  patients should have consumed a meal no less than three hours prior to the time of collection. 
C)  the patient will be in the basal state, having restrained from strenuous exercise and having fasted for approximately 12 hours. 
D)  patients are generally more agreeable with collection times scheduled early in the morning.

Question 10

Difficult-to-locate veins can be made more prominent by all of the following except:

Accepted Answer

A)  massaging the arm. 
B)  applying cold compresses. 
C)  applying hot compresses. 
D)  having the patient clench the fist. 
A)  massaging the arm. 
B)  applying cold compresses. 
C)  applying hot compresses. 
D)  having the patient clench the fist.

Question 11

To collect 5 mL of blood a 10-mL syringe should be used.

Accepted Answer

A) True 
 B)False

Question 12

If a suitable vein is not located in the left arm, the phlebotomist should:

Accepted Answer

A)  check the right arm. 
B)  apply a blood pressure cuff. 
C)  apply the tourniquet above the hand. 
D)  puncture in the area of the median cubital vein. 
A)  check the right arm. 
B)  apply a blood pressure cuff. 
C)  apply the tourniquet above the hand. 
D)  puncture in the area of the median cubital vein.

Question 13

The plastic wings on a butterfly:

Accepted Answer

A)  help hold the needle in place after insertion. 
B)  allow the angle of insertion to be lowered. 
C)  allow the angle of insertion to be raised. 
D)  both A and B 
A)  help hold the needle in place after insertion. 
B)  allow the angle of insertion to be lowered. 
C)  allow the angle of insertion to be raised. 
D)  both A and B

Question 14

Applying a tourniquet to or drawing blood from an arm located on the same side of the body as a recent mastectomy can be harmful to the patient and may produce erroneous test results. The application of a tourniquet as part of such blood collections is discouraged for all of the following reasons except:

Accepted Answer

A)  may cause a release of harmful cells from the surgical site into the circulation. 
B)  interferes with the flow of lymph fluid in the area. 
C)  causes increases in the blood level of lymphocytes and waste products in the area. 
D)  increases the danger of developing lymphedema in the affected area. 
A)  may cause a release of harmful cells from the surgical site into the circulation. 
B)  interferes with the flow of lymph fluid in the area. 
C)  causes increases in the blood level of lymphocytes and waste products in the area. 
D)  increases the danger of developing lymphedema in the affected area.

Question 15

Bandages should not be applied to children younger than 2 years of age.

Accepted Answer

A) True 
 B)False

Question 16

Prolonged tourniquet application will cause:

Accepted Answer

A)  edema. 
B)  hemolysis. 
C)  hemoconcentration. 
D)  both B and C 
A)  edema. 
B)  hemolysis. 
C)  hemoconcentration. 
D)  both B and C

Question 17

Incorrect collection of blood from a patient who has had a mastectomy can result in all of the following except the:

Accepted Answer

A)  patient developing lymphedema. 
B)  patient developing an infection. 
C)  samples being affected by lymphostasis. 
D)  samples being affected by chemotherapy. 
A)  patient developing lymphedema. 
B)  patient developing an infection. 
C)  samples being affected by lymphostasis. 
D)  samples being affected by chemotherapy.

Question 18

Specimens for test substances that exhibit diurnal variation must be collected:

Accepted Answer

A)  at specific times. 
B)  from fasting patients. 
C)  when patients are lying down. 
D)  when patients are in a basal state. 
A)  at specific times. 
B)  from fasting patients. 
C)  when patients are lying down. 
D)  when patients are in a basal state.

Question 19

A phlebotomist may be required to obtain information from a second wrist band when collecting specimens for:

Accepted Answer

A)  blood bank. 
B)  chemistry. 
C)  coagulation. 
D)  HIV. 
A)  blood bank. 
B)  chemistry. 
C)  coagulation. 
D)  HIV.

Question 20

When collecting blood into an evacuated tube using a butterfly, it is not necessary to use an adapter.

Accepted Answer

A) True 
 B)False

Forcing blood from a syringe into an evacuated tube may:

If a patient begins to faint during the venipuncture, the phlebotomist should immediately:

A tourniquet is placed on the patient's arm, the vein is located, and the needle is inserted into the arm. No blood flows into the tube, but a dark bulge begins to appear at the puncture site. This describes:

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

When using a blood pressure cuff as a tourniquet, the cuff is inflated:

A patient who appears pale and has cold, damp skin may develop:

A phlebotomist can interrupt a physician-patient visit:

The best reason why the majority of patient samples are drawn in the early morning hours is because:

Difficult-to-locate veins can be made more prominent by all of the following except:

To collect 5 mL of blood a 10-mL syringe should be used.

If a suitable vein is not located in the left arm, the phlebotomist should:

The plastic wings on a butterfly:

Bandages should not be applied to children younger than 2 years of age.

Prolonged tourniquet application will cause:

Incorrect collection of blood from a patient who has had a mastectomy can result in all of the following except the:

Specimens for test substances that exhibit diurnal variation must be collected:

A phlebotomist may be required to obtain information from a second wrist band when collecting specimens for:

When collecting blood into an evacuated tube using a butterfly, it is not necessary to use an adapter.

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

Forcing blood from a syringe into an evacuated tube may:

If a patient begins to faint during the venipuncture, the phlebotomist should immediately:

A tourniquet is placed on the patient's arm, the vein is located, and the needle is inserted into the arm. No blood flows into the tube, but a dark bulge begins to appear at the puncture site. This describes:

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

When using a blood pressure cuff as a tourniquet, the cuff is inflated:

A patient who appears pale and has cold, damp skin may develop:

A phlebotomist can interrupt a physician-patient visit:

The best reason why the majority of patient samples are drawn in the early morning hours is because:

Difficult-to-locate veins can be made more prominent by all of the following except:

To collect 5 mL of blood a 10-mL syringe should be used.

If a suitable vein is not located in the left arm, the phlebotomist should:

The plastic wings on a butterfly:

Bandages should not be applied to children younger than 2 years of age.

Prolonged tourniquet application will cause:

Incorrect collection of blood from a patient who has had a mastectomy can result in all of the following except the:

Specimens for test substances that exhibit diurnal variation must be collected:

A phlebotomist may be required to obtain information from a second wrist band when collecting specimens for:

When collecting blood into an evacuated tube using a butterfly, it is not necessary to use an adapter.

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