Question 1

Which of the following is another term for fainting?

Accepted Answer

A)   fomite
B)   lymphostasis
C)   thrombi
D)   syncope

Question 2

A healthy body mass index for adults is 20-25 kg/m2.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following clinical laboratory departments usually use serum separator tubes for many of their blood collections?

Accepted Answer

A)   transfusion medicine
B)   clinical chemistry
C)   clinical microbiology
D)   urinalysis

Question 4

Hemolysis in collected blood can cause a falsely decreased value for:

Accepted Answer

A)   hemoglobin
B)   phosphorus
C)   ammonia
D)   total protein

Question 5

Veins ________ when blood is withdrawn too quickly or forcefully during venipuncture.

Accepted Answer

The answer of Veins ________ when blood is withdrawn too...

Question 6

When RBCs are lysed, hemoglobin is released and this results in ________.

Accepted Answer

The answer of When RBCs are lysed, hemoglobin is released...

Question 7

If a patient indicates that he or she has a tendency to faint during blood collection, what should the phlebotomist do when preparing for the blood collection?

Accepted Answer

The patient should be moved fr...

Question 8

A solid mass derived from blood constituents that occludes a blood vessel is a:

Accepted Answer

A)   lymphostasis
B)   thrombus
C)   petechia
D)   hemolysis

Question 9

Which of the following analytes is significantly increased in the blood with changes in position?

Accepted Answer

A)   cortisol
B)   calcium
C)   glucose
D)   testosterone B

Question 10

When a patient is on IV therapy and the venipuncture must occur in the arm with the IV line, the:

Accepted Answer

A)   nurse should hold the arm up with the IV line as the phlebotomist performs the venipuncture
B)   nurse should shut off the IV for 2 minutes prior to the venipuncture
C)   the tourniquet should be placed above the IV site
D)   nurse should hold the arm completely down as the phlebotomist performs the venipuncture

Question 11

What should a phlebotomist do to avoid the risk of backflow of an anticoagulant from a blood vacuum tube into the patient's circulation during blood collection by venipuncture?

Accepted Answer

The phlebotomist needs to place the pati...

Question 12

Swelling in the area around a venipuncture site usually leads to:

Accepted Answer

A)   lymphostasis
B)   atherosclerosis
C)   hematoma formation
D)   petechiae formation

Question 13

Syncope is another term for ________.

Accepted Answer

fainting

Question 14

Which of the following laboratory test results is affected most if the patient is not fasting?

Accepted Answer

A)   triglycerides
B)   cortisol
C)   ACTH
D)   testosterone

Question 15

A transient increase in serum iron levels can occur due to emotional stress.

Accepted Answer

A) True 
 B)False

Question 16

Hemolysis may be the result of physiological abnormalities such as ________ disease.

Accepted Answer

The answer of Hemolysis may be the result of physiological...

Question 17

What additive destroys the enzymes in the blood when the gray-topped tube is used to collect blood?

Accepted Answer

A)   sodium citrate
B)   sodium fluoride
C)   sodium heparin
D)   lithium heparin

Question 18

Blood aldosterone levels are not affected by posture changes immediately before blood collection, but blood glucose levels are greatly affected by posture changes.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following should stop the health care worker from collecting blood from a patient's arm vein?

Accepted Answer

A)   cardiac bypass surgery
B)   high blood pressure
C)   mastectomy on the same side
D)   heart attack that occurred the previous evening C

Question 20

A basal state exists:

Accepted Answer

A)   after the evening meal
B)   in the early morning, 12 hours after the last ingestion of food
C)   immediately before lunch
D)   3 hours after the ingestion of lunch

Exam 9: Preanalytical Complications Causing Medical Errors in Blood Collection

Which of the following is another term for fainting?

Correct AnswerverifiedShow Answer

A healthy body mass index for adults is 20-25 kg/m2.

Correct AnswerverifiedShow Answer

Which of the following clinical laboratory departments usually use serum separator tubes for many of their blood collections?

Correct AnswerverifiedShow Answer

Hemolysis in collected blood can cause a falsely decreased value for:

Correct AnswerverifiedShow Answer

Veins ________ when blood is withdrawn too quickly or forcefully during venipuncture.

Correct AnswerverifiedShow Answer

When RBCs are lysed, hemoglobin is released and this results in ________.

Correct AnswerverifiedShow Answer

If a patient indicates that he or she has a tendency to faint during blood collection, what should the phlebotomist do when preparing for the blood collection?

Correct AnswerverifiedThe patient should be moved fr...View AnswerShow Answer

A solid mass derived from blood constituents that occludes a blood vessel is a:

Correct AnswerverifiedShow Answer

Which of the following analytes is significantly increased in the blood with changes in position?

Correct AnswerverifiedB

When a patient is on IV therapy and the venipuncture must occur in the arm with the IV line, the:

Correct AnswerverifiedShow Answer

What should a phlebotomist do to avoid the risk of backflow of an anticoagulant from a blood vacuum tube into the patient's circulation during blood collection by venipuncture?

Correct AnswerverifiedThe phlebotomist needs to place the pati...View AnswerShow Answer

Swelling in the area around a venipuncture site usually leads to:

Correct AnswerverifiedShow Answer

Syncope is another term for ________.

Correct Answerverifiedfainting

Which of the following laboratory test results is affected most if the patient is not fasting?

Correct AnswerverifiedShow Answer

A transient increase in serum iron levels can occur due to emotional stress.

Correct AnswerverifiedShow Answer

Hemolysis may be the result of physiological abnormalities such as ________ disease.

Correct AnswerverifiedShow Answer

What additive destroys the enzymes in the blood when the gray-topped tube is used to collect blood?

Correct AnswerverifiedShow Answer

Blood aldosterone levels are not affected by posture changes immediately before blood collection, but blood glucose levels are greatly affected by posture changes.

Correct AnswerverifiedShow Answer

Which of the following should stop the health care worker from collecting blood from a patient's arm vein?

Correct AnswerverifiedC

A basal state exists:

Correct AnswerverifiedShow Answer

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A healthy body mass index for adults is 20-25 kg/m².

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The patient should be moved fr...
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B

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The phlebotomist needs to place the pati...
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fainting

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C

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