Question 1

Serum appearing red suggests that:

Accepted Answer

A)  the patient was not fasting. 
B)  the sample was exposed to light. 
C)  potassium values will be falsely elevated. 
D)  the patient is jaundiced. 
A)  the patient was not fasting. 
B)  the sample was exposed to light. 
C)  potassium values will be falsely elevated. 
D)  the patient is jaundiced.

Question 2

Matching
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 3

If a supervisor tells the blood collector to collect a fasting sample from a nonfasting patient,the blood collector should:

Accepted Answer

A)  record "nonfasting" on the requisition slip. 
B)  ask to speak to the physician. 
C)  tell the supervisor to collect the sample. 
D)  inform the patient that the results may be inaccurate. 
A)  record "nonfasting" on the requisition slip. 
B)  ask to speak to the physician. 
C)  tell the supervisor to collect the sample. 
D)  inform the patient that the results may be inaccurate.

Question 4

Which of the following can cause sample contamination?

Accepted Answer

A)  Blood collected from edematous areas 
B)  Blood collected through hematomas 
C)  Incorrect order of draw 
D)  All of the above 
A)  Blood collected from edematous areas 
B)  Blood collected through hematomas 
C)  Incorrect order of draw 
D)  All of the above

Question 5

Good listening skills are particularly necessary when collecting samples from geriatric patients.

Accepted Answer

A) True 
 B)False

Question 6

When locating a venipuncture site in a geriatric patient,which of the following techniques are acceptable?

Accepted Answer

A)  Applying heat 
B)  Using a blood pressure cuff 
C)  Swabbing the area with alcohol 
D)  All of the above 
A)  Applying heat 
B)  Using a blood pressure cuff 
C)  Swabbing the area with alcohol 
D)  All of the above

Question 7

A sample collected from a patient who has recently eaten may appear:

Accepted Answer

A)  hemolyzed. 
B)  watery. 
C)  lipemic. 
D)  icteric. 
A)  hemolyzed. 
B)  watery. 
C)  lipemic. 
D)  icteric.

Question 8

Ammonia inhalants are helpful for a patient who faints.

Accepted Answer

A) True 
 B)False

Question 9

Older patients are more prone to hematoma formation because:

Accepted Answer

A)  they have smaller veins. 
B)  tourniquets must be tied tighter. 
C)  their veins have decreased elasticity. 
D)  they have difficulty making a fist. 
A)  they have smaller veins. 
B)  tourniquets must be tied tighter. 
C)  their veins have decreased elasticity. 
D)  they have difficulty making a fist.

Question 10

Failure to remove the tourniquet before removing the needle:

Accepted Answer

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

Question 11

Which of the following can cause hemolyzed samples?

Accepted Answer

A)  Use of 25-gauge needles 
B)  Shaking a tube forcefully 
C)  Difficult venipunctures where blood enters the tube slowly 
D)  All of the above 
A)  Use of 25-gauge needles 
B)  Shaking a tube forcefully 
C)  Difficult venipunctures where blood enters the tube slowly 
D)  All of the above

Serum appearing red suggests that:

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

If a supervisor tells the blood collector to collect a fasting sample from a nonfasting patient,the blood collector should:

Which of the following can cause sample contamination?

Good listening skills are particularly necessary when collecting samples from geriatric patients.

When locating a venipuncture site in a geriatric patient,which of the following techniques are acceptable?

A sample collected from a patient who has recently eaten may appear:

Ammonia inhalants are helpful for a patient who faints.

Older patients are more prone to hematoma formation because:

Failure to remove the tourniquet before removing the needle:

Which of the following can cause hemolyzed samples?

Introduction to Blood Collection

Venipuncture Equipment

Venipuncture Techniques

Special Blood Collection

Dermal Puncture

Point-Of-Care Testing

Blood Collection From Vascular Access Devices

Filters

Exam 4: Preexamination Variables and Venipuncture Complications

Serum appearing red suggests that:

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

If a supervisor tells the blood collector to collect a fasting sample from a nonfasting patient,the blood collector should:

Which of the following can cause sample contamination?

Good listening skills are particularly necessary when collecting samples from geriatric patients.

When locating a venipuncture site in a geriatric patient,which of the following techniques are acceptable?

A sample collected from a patient who has recently eaten may appear:

Ammonia inhalants are helpful for a patient who faints.

Older patients are more prone to hematoma formation because:

Failure to remove the tourniquet before removing the needle:

Which of the following can cause hemolyzed samples?

Introduction to Blood Collection

Venipuncture Equipment

Venipuncture Techniques

Special Blood Collection

Dermal Puncture

Point-Of-Care Testing

Blood Collection From Vascular Access Devices

Filters