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Blood Bank Laboratory Technician Interview
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30 Questions and Answers by Darby Faubion

Updated November 17th, 2018 | Darby Faubion has been a Nurse and Allied Health Educator for over twenty years. She has clinical experience in several specialty areas including pediatrics, medical-surgical, critical care, and hospice.
Job Interviews     Careers     Technician    
Question 1 of 30
Have you ever done any volunteer work or public education?
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How to Answer
While volunteering is likely not a requirement for, your willingness to volunteer or provide education regarding cancer research tells the interviewer that you are committed to being involved in any efforts possible to help create awareness. If you have not volunteered in the past, that's OK. Ask about opportunities for employees to be involved with volunteering.
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1.
Have you ever done any volunteer work or public education?
While volunteering is likely not a requirement for, your willingness to volunteer or provide education regarding cancer research tells the interviewer that you are committed to being involved in any efforts possible to help create awareness. If you have not volunteered in the past, that's OK. Ask about opportunities for employees to be involved with volunteering.

Darby's Answer #1
"One thing I have wanted to do is become more involved in educating the public about the benefits of donating blood and what can be done with their donation. If there is an opportunity here to volunteer time to educate others, I would love to hear about it."
Darby's Answer #2
"I have done some volunteer work at a church camp a few summers in a row. My volunteer experience is not related to a healthcare field, but it has been something that I enjoy. It is very rewarding to see the smiles on faces of those that we give our time to."
2.
Do you know what GLP is?
GLP means Good Laboratory Practice. It is a framework or pattern under which research work are planned, performed, monitored, recorded, reported and archived. Anyone working in a lab or with laboratory information should understand GLP and always strive to maintain those practices.

Darby's Answer #1
"GLP is a formal regulation that was formulated in 19781 by the US Food and Drug Administration with the aim of producing a framework for how laboratories are run. It is a guide that states how work should be accomplished within a laboratory"
Darby's Answer #2
"Good laboratory practice or GLP are accepted methods to carry out activities or operations in a laboratory. The FDA designed this regulation to make sure that there was a guide for how laboratories should be run and how records and reporting are maintained."
3.
What are some things that you would like people you meet to notice about your personality?
Personality and character are closely related. For instance, someone with an honest character or good work ethic will tend to be more open about his or her beliefs as well as personal and professional expectations. The interviewer is looking for ques as to what character you may bring to the table, so to speak. It is important to remember, body language speaks volume and eye contact is a big indicator of your self-esteem, and your self-esteem is reflected outwardly in your personality. Be confident when you answer and make eye contact with the interviewer.

Darby's Answer #1
"I would describe my personality as approachable, light-hearted, and positive. I like to give more than I take and pride myself on being part of a team."
Darby's Answer #2
"I would like for people to feel that I am genuine and easy to get along with. Life can be stressful, but we don't have to dwell on difficult things. I want to people to see that, no matter what may be going on whether at home or work, I have a positive attitude and a good work ethic."
4.
Tell me about a time you were trusted with confidential information.
Working within the medical career field you are trusted with sensitive information each day. Don't fall into this trap and answer this question with a story containing confidential information, people will view your answer negatively and view you as not being trustworthy. If you choose to tell about a situation be sure to be vague and not use names or too many details.

Darby's Answer #1
"I'm trusted with confidential information every day. I make a point to leave my work at work and not discuss patients outside of the office. By not discussing confidential information about the patients I'm ensuring that I'm not breaking any rules and giving information to those that are not on a need to know basis."
Darby's Answer #2
"I am expected to keep all information confidential every day, so there is not just one instance that I can refer to. I believe in practicing within legal and ethical bounds and keeping patient's confidence is one way I do that."
5.
What is an example of a transfusion-associated adverse reaction?
Although blood bank lab technicians do not administer blood products to a recipient, understanding blood and possible adverse responses is important. Share your knowledge with the interviewer.

Darby's Answer #1
"The first reaction that comes to mind is a hypotensive transfusion reaction which is a drop in systolic blood pressure occurring soon after a transfusion begins. It usually responds quickly to cessation of the transfusion and supportive treatment. "
Darby's Answer #2
"While there are several reactions I can think of, one of the major reactions I know is an acute hemolytic transfusion reaction. This is the rapid destruction of red blood cells that occurs during, immediately after, or within 24 hours of a transfusion when a patient is given an incompatible blood type. The recipient's body immediately begins to destroy the donated red blood cells resulting in fever, pain, and sometimes severe complications such as kidney failure."
6.
Do you know what a TTI is and can you give me an example?
It is mandatory that all donated blood be tested for transfusion transmitted infections. As a blood bank laboratory technician, it is important to know what tests need to be performed on blood before it is logged and stored for possible transfusion later. Failure to test a specimen before it is made available for transfusion can result in serious harm to a recipient. The interviewer wants to know that you understand the importance of TTI screening.

Darby's Answer #1
"A TTI is a transfusion transmitted infection that results from a recipient receiving donated blood that is contaminated with infection. Testing for a TTI includes screening for viral hepatitis including Hepatitis B surface antigen for Hepatitis B and anti-HCV anti-body for Hepatitis C."
Darby's Answer #2
"For example: "A TTI is also known as a 'transfusion-transmitted infection.' HIV is an example of a TTI. Because there are several infections that are transmitted through blood, the Centers for Disease Control mandate that screening for TTIs is performed on all donated blood specimens."
7.
What is an HIV test window and why is it important for a blood bank lab technician to understand this?
One of the most prevalent concerns of dealing with blood or blood products is the possible transmission of HIV. Understanding things such as test window and what it means is crucial. The interviewer wants to know what knowledge you have of HIV and that you have an understanding of why 'test window' time is important.

Darby's Answer #1
"The HIV test window is used to describe the time between when the patient becomes infected with HIV until the appearance of the detectable antibodies of the virus."
Darby's Answer #2
"The window period is the time between potential exposure to HIV infection and the point when the test will give an accurate result. During the window period a person can be infected with HIV and be very infectious but still test HIV negative."
8.
What are some things that may disqualify a donor from giving blood?
There are guidelines and donor criteria that must be met for a person to donate blood. Understanding the reasons that someone may not be able to donate blood is important for a blood bank lab tech as you may need to explain to a potential donor why he or she cannot donate.

Darby's Answer #1
"If a potential donor has a history of bleeding problems, he will be asked additional questions. If blood does not clot normally, one should not donate. There is an increased risk of excessive bleeding where the needle was placed. For the same reason, potential donors who are taking anticoagulants cannot give blood."
Darby's Answer #2
"There are a number of reasons that a potential donor may not be able to donate blood. One example is anyone who has ever used IV drugs that were not prescribed by a physician. This restriction on donating is related to the high risk of transmitting hepatitis and HIV which is common among IV drug users."
9.
If you were the person responsible for hiring new employees, what qualities would you look for in a candidate, and do you think you possess those qualities?
There is more than one reason for asking this question. First, the interviewer wants to know what qualities you think are important to perform this job. Second, and most importantly, your answer will tell the interviewer if you hold yourself to the same standard as you do others. If you want to see certain characteristics in your peers, you should be able to tell the interviewer with confidence that you possess those traits, as well. This question is one that interviewers often use to distinguish sincerity on the part of the candidate.

Darby's Answer #1
"I believe that honesty is important no matter what job title a person holds. I have found that being honest with people creates an atmosphere of mutual trust and respect. Those qualities, I feel, are essential when building rapport with patients and co-workers."
Darby's Answer #2
"If I were hiring someone, I would look for someone who is passionate about the job and about patient care. I also feel that being approachable and willing to learn is very important."
10.
Do you feel you have strong relationship building skills?
Building strong relationships is essential for success of any business. The healthcare industry is no exception. In fact, the healthcare industry requires strong communication and relationship building skills. Share why you think you have good relationship building skills.

Darby's Answer #1
"I have often been complimented on my relationship building skills. I like to get to know people and ask them questions about themselves; I find it's a great and simple way to start building rapport with others. I consider myself to be a strong relationship builder and take pride in my 'people skills'."
Darby's Answer #2
"I do feel like I have good relationship building skills. I like people and enjoy getting to know them. People who are made to feel like their thoughts and opinions matter are easier to build relationships with; so I always try to listen to what others say and find the positive in every situation."
11.
What are some transmission-associated adverse reactions you can think of?
Although adverse reactions are not common following blood transfusions, they are tracked so that the CDC can better understand them and develop interventions to prevent them. While blood bank lab technicians do not administer transfusions, it is still important to understand the process and what a patient may expect.

Darby's Answer #1
"One possibility of an adverse response is an allergic reaction resulting from an interaction of an allergen in the transfused blood with antibodies in the person receiving the blood transfusion."
Darby's Answer #2
"The first reaction that comes to mind is a hypotensive transfusion reaction which is a drop in systolic blood pressure occurring soon after a transfusion begins. It usually responds quickly to cessation of the transfusion and supportive treatment. "
12.
Have you ever worked in an environment in which your co-workers were from diverse backgrounds?
In an industry as large as healthcare, diversity among peers is inevitable. To be successful, it is crucial to learn how to work with a diverse group of people. Some people are intimidated when faced with learning new cultures and beliefs, but in the healthcare industry, it is crucial to provide effective care. The interviewer wants to know that you are open to meeting and learning about new people and becoming an integral part of the team. Be positive with your response.

Darby's Answer #1
"The diversity of specialty areas is something I love about the healthcare field. I like the idea of being in a career that challenges me to learn and grow. I believe we all have something that we can contribute to others and I like to embrace the diversity among those that I work with."
Darby's Answer #2
"The largest diverse group I worked with was probably when I did my clinical rotation at University Medical Center. I was afforded the opportunity to meet people from different cultures, religions, and professional backgrounds. It gave me an eye-opening experience of how many wonderful people there are!"
13.
Do you anticipate any changes in your life within the next 12-24 months that may cause you to have to relocate or leave this job?
Knowing what goals you have and any changes you anticipate in your life will give the interviewer an opportunity to evaluate two things: 1. what positions are available that won't disrupt your plans and, 2. are you interested in having a long-term relationship within the company? Either way, being upfront and honest is always appreciated.

Darby's Answer #1
"I recently became engaged. Although we have not set a date yet, we have agreed to wait twelve months before the marriage. My fiance' just passed the Bar exam here and has been offered an opportunity to join an existing law firm. Presently, our plans are to stay where we are and build a career, not just work a job. Also, we do not plan on having children for at least two years after our marriage. We both feel that being able to become established in our careers and save for our future would be the responsible thing to do before starting a family."
Darby's Answer #2
"I recently completed school and earned my certifica. My hope is to find a position that will allow me to work long term. I do not anticipate any significant changes that would affect that."
14.
What are the common errors done by technicians while handling pipette?
Pipettes, also called pipets or chemical droppers, are small tubes of glass or plastic used to transfer a measurable amount of liquid from one container to another. They come in two forms: volumetric pipettes, used to transfer a single specific volume of liquid, and measuring pipettes, used to transfer varying, measured volumes. Share an example of a common error.

Darby's Answer #1
"If pipette operators do not pre-wet the pipette tip prior to initial delivery, sample volume can be lost due to evaporation within the tip. Aspirating and expelling sample liquid at least three times before delivery can mitigate this risk, and is especially important when handling volatile solutions such as organic solvents."
Darby's Answer #2
"Unnecessary tip wiping can lead to sample loss, especially if wiping with absorbent materials, which can carry sample from the pipette tip."
15.
What sets you apart from other blood bank lab technicians, and why are you the best candidate for us?
In most cases, more than one candidate is interviewed for a position before an offer of employment is made. This is your chance to tell the interviewer what makes you a better choice. However, remember that being confident and being conceited have a fine line of separation. Highlight your strengths, but remember to be humble.

Darby's Answer #1
"I believe my dedication to my studies and the compassion that I have for others is something that will make me an asset if I am given the opportunity to work here. I look forward to being able to become a part of a team and becoming an asset to the teamwork that needs to be accomplished."
Darby's Answer #2
"I am passionate about learning more about laboratory technology and want to work in a place where I can stay for the long-term and become a strong part of a team. I believe my history of dependability and my drive to work hard will make me a great candidate for this position."
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30 Blood Bank Laboratory Technician Interview Questions
Win your next job by practicing from our question bank. We have thousands of questions and answers created by interview experts.
Interview Questions
  1. Have you ever done any volunteer work or public education?
  2. Do you know what GLP is?
  3. What are some things that you would like people you meet to notice about your personality?
  4. Tell me about a time you were trusted with confidential information.
  5. What is an example of a transfusion-associated adverse reaction?
  6. Do you know what a TTI is and can you give me an example?
  7. What is an HIV test window and why is it important for a blood bank lab technician to understand this?
  8. What are some things that may disqualify a donor from giving blood?
  9. If you were the person responsible for hiring new employees, what qualities would you look for in a candidate, and do you think you possess those qualities?
  10. Do you feel you have strong relationship building skills?
  11. What are some transmission-associated adverse reactions you can think of?
  12. Have you ever worked in an environment in which your co-workers were from diverse backgrounds?
  13. Do you anticipate any changes in your life within the next 12-24 months that may cause you to have to relocate or leave this job?
  14. What are the common errors done by technicians while handling pipette?
  15. What sets you apart from other blood bank lab technicians, and why are you the best candidate for us?
  16. Can you explain some functions of blood to me?
  17. How do you make sure that your workplace does not become contaminated?
  18. If you are offered a position that required travel, would you accept it?
  19. Why did you want to become a blood bank lab technician?
  20. Tell me about a time you were trusted with confidential information.
  21. What would you describe as your biggest weakness and what efforts are you making to improve in that are?
  22. What is plateletpheresis?
  23. What makes you think you will be successful at our organization?
  24. What are some pre-transfusion tests that should be performed?
  25. After whole blood is collected, what is the window for preparing and storing platelet concentrations?
  26. How would you respond to an emergency situation at work?
  27. Has there ever been a time that you had a disagreement with a co-worker, and if so, how was it resolved?
  28. What changes may occur in blood due to aging?
  29. What temperature does blood need to be stored at?
  30. What can you tell me about blood plasma?
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