Question 1

Match the following variables with the possible effect on test results.
-Posture change from supine to erect

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 2

When a phlebotomist enters a room to draw blood, the patient states that blood was just collected 20 minutes ago. The phlebotomist should:

Accepted Answer

A)  draw the patient and notify the nursing station. 
B)  check the patient's arm for bleeding. 
C)  draw the patient from the other arm. 
D)  check the order with the nursing station before drawing. 
A)  draw the patient and notify the nursing station. 
B)  check the patient's arm for bleeding. 
C)  draw the patient from the other arm. 
D)  check the order with the nursing station before drawing.

Question 3

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

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 4

A tourniquet is not applied when collecting a specimen for:

Accepted Answer

A)  lactic acid. 
B)  cortisol. 
C)  ammonia. 
D)  glucose. 
A)  lactic acid. 
B)  cortisol. 
C)  ammonia. 
D)  glucose.

Question 5

A patient who presents with petechiae prior to tourniquet application may require:

Accepted Answer

A)  additional reassurance. 
B)  use of a blood pressure cuff. 
C)  blood to be drawn from a hand vein. 
D)  additional pressure following needle removal. 
A)  additional reassurance. 
B)  use of a blood pressure cuff. 
C)  blood to be drawn from a hand vein. 
D)  additional pressure following needle removal.

Question 6

If the plunger of a syringe is pulled back too fast:

Accepted Answer

A)  the patient feels a stinging sensation. 
B)  the specimen may be hemolyzed. 
C)  the patient will develop a hematoma. 
D)  both A and B 
A)  the patient feels a stinging sensation. 
B)  the specimen may be hemolyzed. 
C)  the patient will develop a hematoma. 
D)  both A and B

Question 7

Physician approval is required when collecting blood from:

Accepted Answer

A)  patients with diabetes. 
B)  lower arm veins. 
C)  leg veins. 
D)  pediatric patients. 
A)  patients with diabetes. 
B)  lower arm veins. 
C)  leg veins. 
D)  pediatric patients.

Question 8

When drawing blood from a central venous access device (CVAD):

Accepted Answer

A)  a syringe larger than 20 mL must be used. 
B)  heparin is first injected into the catheter. 
C)  the first 5 mL of blood is always discarded. 
D)  a double or triple lumen catheter must be present. 
A)  a syringe larger than 20 mL must be used. 
B)  heparin is first injected into the catheter. 
C)  the first 5 mL of blood is always discarded. 
D)  a double or triple lumen catheter must be present.

Question 9

Central venous access devices (CVADs) are threaded into the superior vena cava.

Accepted Answer

A) True 
 B)False

Question 10

To transfer blood from a syringe to an evacuated tube:

Accepted Answer

A)  do not puncture the evacuated tube stopper. 
B)  make sure all of the blood in the syringe enters the evacuated tube. 
C)  do not hold the tube in your hand while puncturing the rubber stopper. 
D)  attach a butterfly apparatus to the syringe. 
A)  do not puncture the evacuated tube stopper. 
B)  make sure all of the blood in the syringe enters the evacuated tube. 
C)  do not hold the tube in your hand while puncturing the rubber stopper. 
D)  attach a butterfly apparatus to the syringe.

Question 11

Evacuated tubes containing anticoagulant do not need to be mixed immediately.

Accepted Answer

A) True 
 B)False

Question 12

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

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 13

A patient has the right to refuse to have blood drawn.

Accepted Answer

A) True 
 B)False

Question 14

The surgical fusion of a vein and artery frequently seen in dialysis patients is called:

Accepted Answer

A)  an aneurysm. 
B)  hemoconcentration. 
C)  a fistula. 
D)  an angioplasty. 
A)  an aneurysm. 
B)  hemoconcentration. 
C)  a fistula. 
D)  an angioplasty.

Question 15

When encountering a patient with a fistula, the phlebotomist should:

Accepted Answer

A)  apply the tourniquet below the fistula. 
B)  use the other arm. 
C)  collect the blood from the fistula. 
D)  attach a syringe to the T-tube connector. 
A)  apply the tourniquet below the fistula. 
B)  use the other arm. 
C)  collect the blood from the fistula. 
D)  attach a syringe to the T-tube connector.

Question 16

The maximum number of attempts that a phlebotomist should make to collect a specimen is:

Accepted Answer

A)  one. 
B)  two. 
C)  three. 
D)  four 
A)  one. 
B)  two. 
C)  three. 
D)  four

Question 17

All of the following can cause hemolyzed specimens except:

Accepted Answer

A)  use of 25-gauge needles. 
B)  shaking a tube forcefully. 
C)  difficult venipunctures where blood enters the tube slowly. 
D)  gentle inversion of tubes containing blood. 
A)  use of 25-gauge needles. 
B)  shaking a tube forcefully. 
C)  difficult venipunctures where blood enters the tube slowly. 
D)  gentle inversion of tubes containing blood.

Question 18

Isopropyl alcohol is a stronger antiseptic than povidone-iodine.

Accepted Answer

A) True 
 B)False

Question 19

When using a syringe to fill blood collection tubes:

Accepted Answer

A)  fill all the evacuated tubes with the same needle used for collection. 
B)  allow the evacuated tubes to fill according to the vacuum in the tube; do not force the plunger. 
C)  activate the needle safety device after filling all the evacuated tubes with the blood transfer device. 
D)  use the blood transfer device only for potentially combative patients. 
A)  fill all the evacuated tubes with the same needle used for collection. 
B)  allow the evacuated tubes to fill according to the vacuum in the tube; do not force the plunger. 
C)  activate the needle safety device after filling all the evacuated tubes with the blood transfer device. 
D)  use the blood transfer device only for potentially combative patients.

Question 20

Failure to remove the tourniquet before removing the needle:

Accepted Answer

A)  may cause hemolysis. 
B)  is uncomfortable for the patient. 
C)  may produce hematoma. 
D)  affects specimen coagulation. 
A)  may cause hemolysis. 
B)  is uncomfortable for the patient. 
C)  may produce hematoma. 
D)  affects specimen coagulation.

Match the following variables with the possible effect on test results. -Posture change from supine to erect

When a phlebotomist enters a room to draw blood, the patient states that blood was just collected 20 minutes ago. The phlebotomist should:

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

A tourniquet is not applied when collecting a specimen for:

A patient who presents with petechiae prior to tourniquet application may require:

If the plunger of a syringe is pulled back too fast:

Physician approval is required when collecting blood from:

When drawing blood from a central venous access device (CVAD):

Central venous access devices (CVADs) are threaded into the superior vena cava.

To transfer blood from a syringe to an evacuated tube:

Evacuated tubes containing anticoagulant do not need to be mixed immediately.

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

A patient has the right to refuse to have blood drawn.

The surgical fusion of a vein and artery frequently seen in dialysis patients is called:

When encountering a patient with a fistula, the phlebotomist should:

The maximum number of attempts that a phlebotomist should make to collect a specimen is:

All of the following can cause hemolyzed specimens except:

Isopropyl alcohol is a stronger antiseptic than povidone-iodine.

When using a syringe to fill blood collection tubes:

Failure to remove the tourniquet before removing the needle:

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

Match the following variables with the possible effect on test results. -Posture change from supine to erect

When a phlebotomist enters a room to draw blood, the patient states that blood was just collected 20 minutes ago. The phlebotomist should:

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

A tourniquet is not applied when collecting a specimen for:

A patient who presents with petechiae prior to tourniquet application may require:

If the plunger of a syringe is pulled back too fast:

Physician approval is required when collecting blood from:

When drawing blood from a central venous access device (CVAD):

Central venous access devices (CVADs) are threaded into the superior vena cava.

To transfer blood from a syringe to an evacuated tube:

Evacuated tubes containing anticoagulant do not need to be mixed immediately.

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

A patient has the right to refuse to have blood drawn.

The surgical fusion of a vein and artery frequently seen in dialysis patients is called:

When encountering a patient with a fistula, the phlebotomist should:

The maximum number of attempts that a phlebotomist should make to collect a specimen is:

All of the following can cause hemolyzed specimens except:

Isopropyl alcohol is a stronger antiseptic than povidone-iodine.

When using a syringe to fill blood collection tubes:

Failure to remove the tourniquet before removing the needle:

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