Phlebotomy Lab Technician

Phlebotomy Lab Technician Interview Questions and Answers

Updated 10 Sep 2024
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Q1. Test tubes type and which chemical on the tube

Ans.

Different types of test tubes are used for different tests and contain various chemicals such as anticoagulants, preservatives, and clot activators.

  • Purple top tube (EDTA) - used for complete blood count (CBC)

  • Red top tube (no additive) - used for serum tests

  • Green top tube (heparin) - used for plasma tests

  • Gray top tube (sodium fluoride/potassium oxalate) - used for glucose testing

  • Yellow top tube (ACD) - used for DNA testing

  • Blue top tube (sodium citrate) - used for coagulation t...read more

Q2. What are the essential duties of a Phlebotomist?

Ans.

A Phlebotomist's essential duties include drawing blood, labeling samples, and maintaining equipment.

  • Draw blood from patients using various techniques

  • Properly label and store blood samples for testing

  • Maintain and clean equipment to ensure accuracy and safety

  • Verify patient information and medical records

  • Communicate with patients to alleviate anxiety and explain procedures

  • Follow safety protocols to prevent infection and injury

Phlebotomy Lab Technician Interview Questions and Answers for Freshers

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Q3. How do you avoid Hematomas when drawing blood?

Ans.

To avoid hematomas when drawing blood, proper technique and equipment should be used.

  • Select the appropriate size needle for the patient's vein

  • Apply pressure to the puncture site after withdrawing the needle

  • Avoid probing or reinserting the needle once it is in the vein

  • Ensure the patient is relaxed and not tensing their arm muscles

  • Use a tourniquet for no longer than one minute

  • Release the tourniquet before removing the needle

  • Avoid excessive movement of the needle during the draw

Q4. How many types in blood culture bottles

Ans.

There are two types of blood culture bottles: aerobic and anaerobic.

  • Aerobic bottles contain oxygen and are used to culture bacteria that require oxygen to grow.

  • Anaerobic bottles do not contain oxygen and are used to culture bacteria that do not require oxygen to grow.

  • Both types of bottles are used together to increase the chances of detecting bacterial growth.

  • The bottles may also contain additives to enhance bacterial growth or to neutralize antibiotics in the blood sample.

  • Pr...read more

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Q5. Order of drop for sample collection

Ans.

The order of drop for sample collection is important to ensure accurate results.

  • Start with blood cultures to avoid contamination

  • Follow with coagulation tubes, then serum tubes, then heparin tubes, and finally EDTA tubes

  • If collecting from a central line, discard the first 5 mL to avoid dilution with saline

  • Mix each tube gently after collection to prevent clotting or hemolysis

Q6. How many types of tubes

Ans.

There are multiple types of tubes used in phlebotomy for different purposes.

  • There are tubes with additives for blood tests such as serum separator tubes, EDTA tubes, and heparin tubes.

  • Plain tubes without additives are also used for certain tests.

  • Blood culture bottles are used for culturing bacteria.

  • Coagulation tubes are used for testing blood clotting factors.

  • There are also specialized tubes for DNA testing and drug testing.

  • The color of the tube top indicates the type of addi...read more

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Q7. Different tubes used for blood sample

Ans.

Different tubes are used for blood samples to collect and store different types of blood specimens.

  • Different tubes are color-coded for easy identification.

  • EDTA tubes are used for whole blood specimens for hematology tests.

  • SST tubes are used for serum specimens for chemistry tests.

  • Sodium citrate tubes are used for coagulation tests.

  • Fluoride tubes are used for glucose testing.

  • Plain tubes are used for blood bank tests.

Q8. Normal values of tests

Ans.

Normal values of tests are the range of values that are considered healthy for a particular test.

  • Normal values vary depending on the test being performed.

  • Normal values are usually provided by the laboratory conducting the test.

  • Abnormal values may indicate a medical condition or disease.

  • Examples of tests with normal values include blood glucose, cholesterol, and hemoglobin levels.

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Q9. Why phlebotomist

Ans.

I chose to become a phlebotomist because I enjoy helping others, have a passion for healthcare, and find the field of laboratory work fascinating.

  • I have a strong desire to help others and make a positive impact on their health

  • I am passionate about the healthcare field and enjoy working in a medical setting

  • I find the process of drawing blood and analyzing samples in the laboratory to be intriguing and rewarding

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