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Blood Collection MCQs

The document consists of multiple-choice questions (MCQs) related to blood collection techniques for a laboratory technician exam. Key topics include common sites for venous and capillary blood collection, antiseptic use, prevention of hemolysis, and safety precautions in phlebotomy. Answers to the questions are provided, highlighting best practices and preferred methods in blood collection.

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Panigrahi Jyoti
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502 views2 pages

Blood Collection MCQs

The document consists of multiple-choice questions (MCQs) related to blood collection techniques for a laboratory technician exam. Key topics include common sites for venous and capillary blood collection, antiseptic use, prevention of hemolysis, and safety precautions in phlebotomy. Answers to the questions are provided, highlighting best practices and preferred methods in blood collection.

Uploaded by

Panigrahi Jyoti
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Blood Collection - MCQs for Laboratory Technician Exam

Blood Collection - MCQs

1. What is the most common site for venous blood collection in adults?

A. Cephalic vein

B. Basilic vein

C. Median cubital vein

D. Femoral vein

Answer: C

2. Which antiseptic is commonly used before blood collection?

A. Iodine

B. 70% Isopropyl alcohol

C. Benzene

D. Distilled water

Answer: B

3. Which of the following prevents hemolysis during blood collection?

A. Forcefully shaking the tube

B. Using a large bore needle

C. Letting antiseptic dry before puncture

D. Collecting from artery only

Answer: C

4. Which site is preferred for capillary blood collection in infants?

A. Thumb

B. Big toe

C. Heel

D. Ear lobe

Answer: C

5. What is a disadvantage of capillary blood collection?

A. Large volume collected

B. Painful procedure

C. High risk of contamination

D. Accurate for all tests


Answer: C

6. The preferred site for arterial blood collection for ABG is:

A. Brachial artery

B. Radial artery

C. Carotid artery

D. Axillary artery

Answer: B

7. Vacutainer system reduces:

A. Hemoglobin levels

B. Contamination and hemolysis

C. Test accuracy

D. Sample volume

Answer: B

8. Which of the following is not a safety precaution in phlebotomy?

A. Reusing gloves

B. Wearing PPE

C. Using sterile equipment

D. Using sharps container

Answer: A

9. Tourniquet should be released:

A. Before inserting the needle

B. After removing the needle

C. After collecting blood and before removing the needle

D. Never

Answer: C

10. The first drop of blood in capillary collection should be:

A. Collected

B. Wiped off

C. Squeezed more

D. Left to clot

Answer: B

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