Question 1

Supplies should be placed on the same side of your free hand during blood collection to avoid reaching across the patient.

Accepted Answer

A) True 
 B)False  True

Question 2

Samples that require mixing should be inverted after they have been labeled.

Accepted Answer

A) True 
 B)False  False

Question 3

The most important procedure in blood collection is to:

Accepted Answer

A)  organize equipment at the bedside. 
B)  introduce yourself to the patient. 
C)  initial the requisition form. 
D)  identify the patient correctly. 
A)  organize equipment at the bedside. 
B)  introduce yourself to the patient. 
C)  initial the requisition form. 
D)  identify the patient correctly. D

Question 4

The Clinical Laboratory and Standards Institute (CLSI) recommends that all patient samples be delivered to the laboratory no more than 2 hours after collection to reduce preexamination variables caused by cellular action and the effects of prolonged exposure of samples to room temperatures because of:

Accepted Answer

A)  glycolysis caused by cells' use of glucose,hemolysis and leakage of potassium from the cells into the plasma or serum,and the destruction of coagulation factors from exposure to room temperatures. 
B)  leakage of coagulation factors into the serum or plasma by cellular metabolism,increased potassium values caused by exposure to room temperature,and increased glucose values caused by cellular metabolism. 
C)  glycolysis caused by leakage from cells,increased levels of coagulation factors caused by prolonged exposure to room temperatures,and decreased potassium levels caused by cellular metabolism. 
D)  glycolysis caused by exposure to room temperatures,hemolysis and leakage of coagulation factors from the cells,and decreased potassium levels in the serum and plasma by cellular utilization. 
A)  glycolysis caused by cells' use of glucose,hemolysis and leakage of potassium from the cells into the plasma or serum,and the destruction of coagulation factors from exposure to room temperatures. 
B)  leakage of coagulation factors into the serum or plasma by cellular metabolism,increased potassium values caused by exposure to room temperature,and increased glucose values caused by cellular metabolism. 
C)  glycolysis caused by leakage from cells,increased levels of coagulation factors caused by prolonged exposure to room temperatures,and decreased potassium levels caused by cellular metabolism. 
D)  glycolysis caused by exposure to room temperatures,hemolysis and leakage of coagulation factors from the cells,and decreased potassium levels in the serum and plasma by cellular utilization.

Question 5

Which of the following is performed first when the last tube is collected?

Accepted Answer

A)  Gauze is placed over the needle. 
B)  The filled tube is removed from the holder. 
C)  The needle is removed. 
D)  Pressure is applied to the site. 
A)  Gauze is placed over the needle. 
B)  The filled tube is removed from the holder. 
C)  The needle is removed. 
D)  Pressure is applied to the site.

Question 6

When using a syringe:

Accepted Answer

A)  the plunger should be pulled back slowly. 
B)  the needle should be inserted bevel down. 
C)  a tourniquet should not be used. 
D)  blood should be rapidly withdrawn. 
A)  the plunger should be pulled back slowly. 
B)  the needle should be inserted bevel down. 
C)  a tourniquet should not be used. 
D)  blood should be rapidly withdrawn.

Question 7

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 8

A large,rigid cord located during palpation indicates:

Accepted Answer

A)  an acceptable vein. 
B)  the brachial artery. 
C)  a tendon. 
D)  an unacceptable vein. 
A)  an acceptable vein. 
B)  the brachial artery. 
C)  a tendon. 
D)  an unacceptable vein.

Question 9

When using a syringe to fill blood collection tubes:

Accepted Answer

A)  fill all of the evacuated tubes with the same needle used for collection. 
B)  use a blood transfer device and 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 of the evacuated tubes with the blood transfer device. 
D)  use the blood transfer device only for potentially combative patients. 
A)  fill all of the evacuated tubes with the same needle used for collection. 
B)  use a blood transfer device and 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 of the evacuated tubes with the blood transfer device. 
D)  use the blood transfer device only for potentially combative patients.

Question 10

Tubes are angled downward during blood collection to:

Accepted Answer

A)  ensure that they fill completely. 
B)  prevent patient discomfort. 
C)  prevent blood refluxing into the needle. 
D)  ensure mixing of blood and anticoagulant. 
A)  ensure that they fill completely. 
B)  prevent patient discomfort. 
C)  prevent blood refluxing into the needle. 
D)  ensure mixing of blood and anticoagulant.

Question 11

When collecting blood from a patient with an IV line,the blood collector should:

Accepted Answer

A)  collect from the IV line after it has been stopped for 5 minutes. 
B)  draw from the opposite arm. 
C)  draw from above the IV line. 
D)  draw from below the IV line in the same vein. 
A)  collect from the IV line after it has been stopped for 5 minutes. 
B)  draw from the opposite arm. 
C)  draw from above the IV line. 
D)  draw from below the IV line in the same vein.

Question 12

Bracing the hand holding the needle assembly against the patient's arm:

Accepted Answer

A)  decreases the patient discomfort. 
B)  prevents excess needle movement. 
C)  decreases the possibility of hemolysis. 
D)  causes the tubes to fill more quickly. 
A)  decreases the patient discomfort. 
B)  prevents excess needle movement. 
C)  decreases the possibility of hemolysis. 
D)  causes the tubes to fill more quickly.

Question 13

Prolonged application of a tourniquet will cause:

Accepted Answer

A)  excessive bleeding. 
B)  difficulty locating a vein. 
C)  hemolysis. 
D)  clotting. 
A)  excessive bleeding. 
B)  difficulty locating a vein. 
C)  hemolysis. 
D)  clotting.

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

Proper sample collection begins with:

Accepted Answer

A)  sanitizing the hands. 
B)  locating the patient. 
C)  obtaining a requisition. 
D)  organizing the equipment. 
A)  sanitizing the hands. 
B)  locating the patient. 
C)  obtaining a requisition. 
D)  organizing the equipment.

Question 16

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 17

When collecting blood using a winged blood collection set,which of the following are acceptable?

Accepted Answer

A)  Lowering the angle of insertion 
B)  Drawing blood into the syringe 
C)  Threading the needle into the vein 
D)  All of the above 
A)  Lowering the angle of insertion 
B)  Drawing blood into the syringe 
C)  Threading the needle into the vein 
D)  All of the above

Question 18

Isopropyl alcohol is a stronger antiseptic than is povidone-iodine.

Accepted Answer

A) True 
 B)False

Question 19

The tourniquet is applied twice during the venipuncture procedure.

Accepted Answer

A) True 
 B)False

Question 20

Collection of samples from feet veins is not recommended in which of the following?

Accepted Answer

A)  Cardiac patients 
B)  Diabetic patients 
C)  Patients with coagulation disorders 
D)  All of the above 
A)  Cardiac patients 
B)  Diabetic patients 
C)  Patients with coagulation disorders 
D)  All of the above

Supplies should be placed on the same side of your free hand during blood collection to avoid reaching across the patient.

Samples that require mixing should be inverted after they have been labeled.

The most important procedure in blood collection is to:

Which of the following is performed first when the last tube is collected?

When using a syringe:

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

A large,rigid cord located during palpation indicates:

When using a syringe to fill blood collection tubes:

Tubes are angled downward during blood collection to:

When collecting blood from a patient with an IV line,the blood collector should:

Bracing the hand holding the needle assembly against the patient's arm:

Prolonged application of a tourniquet will cause:

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

Proper sample collection begins with:

Fistulas are seen in patients who:

When collecting blood using a winged blood collection set,which of the following are acceptable?

Isopropyl alcohol is a stronger antiseptic than is povidone-iodine.

The tourniquet is applied twice during the venipuncture procedure.

Collection of samples from feet veins is not recommended in which of the following?

Introduction to Blood Collection

Venipuncture Equipment

Preexamination Variables and Venipuncture Complications

Special Blood Collection

Dermal Puncture

Point-Of-Care Testing

Blood Collection From Vascular Access Devices

Filters

Exam 3: Venipuncture Techniques

Supplies should be placed on the same side of your free hand during blood collection to avoid reaching across the patient.

Samples that require mixing should be inverted after they have been labeled.

The most important procedure in blood collection is to:

Which of the following is performed first when the last tube is collected?

When using a syringe:

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

A large,rigid cord located during palpation indicates:

When using a syringe to fill blood collection tubes:

Tubes are angled downward during blood collection to:

When collecting blood from a patient with an IV line,the blood collector should:

Bracing the hand holding the needle assembly against the patient's arm:

Prolonged application of a tourniquet will cause:

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

Proper sample collection begins with:

Fistulas are seen in patients who:

When collecting blood using a winged blood collection set,which of the following are acceptable?

Isopropyl alcohol is a stronger antiseptic than is povidone-iodine.

The tourniquet is applied twice during the venipuncture procedure.

Collection of samples from feet veins is not recommended in which of the following?

Introduction to Blood Collection

Venipuncture Equipment

Preexamination Variables and Venipuncture Complications

Special Blood Collection

Dermal Puncture

Point-Of-Care Testing

Blood Collection From Vascular Access Devices

Filters