Suggested Certification for Medical Laboratory Technician

MEDICAL LAB TECHNICIAN CERTIFICATION – MLT (ASCP)
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Interview Questions and Answers

A urinalysis is a test of urine that provides information about kidney function, infection, and other metabolic disorders.

MLTs perform blood typing, antibody screening, and crossmatching to ensure compatibility before blood transfusions.

MLTs dispose of hazardous waste (e.g., biohazardous materials, chemicals) in designated containers following strict protocols to prevent contamination and ensure safety.

The Rh factor is another antigen on red blood cells. Its important in blood transfusions and pregnancy (Rh incompatibility).

Quality assurance encompasses all activities that ensure the reliability and accuracy of laboratory testing processes.

The main blood types are A, B, AB, and O. They are determined by the presence or absence of A and B antigens on red blood cells.

A blood culture is a test to detect the presence of bacteria or other microorganisms in the blood, performed to diagnose bloodstream infections.

Safety precautions include wearing personal protective equipment (PPE), handling biohazardous materials carefully, and following proper disposal procedures.

HIPAA (Health Insurance Portability and Accountability Act) protects patient privacy. MLTs must maintain confidentiality of patient information.

Plasma contains clotting factors, while serum is plasma without clotting factors (obtained after blood has clotted).

A CBC is a common blood test that measures red blood cell count, white blood cell count, platelet count, hemoglobin, and hematocrit.

Technicians prepare specimens and operate automated sample analysing machines, set up testing equipment, report test results, keep the lab clean, maintain tools and conditions etc.

NA

Good communication skills.
Ability to multi task.
Good problem solving skills.
Ability to think analytically and critically.
Strong desire to work in a laboratory setting.

Conducting and supporting lab testing.
Panning, setting up and undertaking controlled experiments and trials.
Recording and analysing data.
Demonstrating procedures.
Collecting, preparing and/or testing samples.
Maintaining, calibrating, cleaning and testing sterility of the equipment.

Yes/No, explain clearly,

Samples are usually obtained through collection of the fluid in a container (e.g., urine, semen) or by inserting a needle into the body cavity and aspirating with a syringe a portion of the fluid.

Once a sample is collected, a variety of tests may be performed, including chemistry tests, microscopic examinations, genetic tests, and infectious disease tests.

Training helps to reduce the risk of volume fluctuations caused by operators, and a small fraction of the pipetting change may give a wrong result.

Aliquot of a sample, in chemistry or the other sciences, an exact portion of a sample or total amount of a liquid (e.g. exactly 20mL of water).

A reagent is a substance or compound added to a system to cause a chemical reaction, or added to test if a reaction occurs.

Lab Auditing is an integral part of a laboratory's quality assurance program.  A quality assurance program covers all aspects of the service provided.

Clinical centrifuges are lowspeed devices used in applications such as the rapid processing of PPP (platelet poor plasma) and PRP (platelet rich plasma) as well as in hospital and research laboratories for the separation of serum, urea, blood samples, and other routine applications.

The dense particles sediment at the bottom which is referred as a pellet. The remaining solution or the isolated specimen is known as the supernatant. The supernatant is composed of the lighter particles which make it to float over the denser sediment.

Sterilizing gases are used when exposure to other methods (heat or radiation) could damage the materials or equipment. The most common gases used for sterilization include ethylene oxide (EO), ozone, mixed oxides of nitrogen, and chlorine dioxide.

The main methods of placing samples onto microscope slides are wet mount, dry mount, smear, squash and staining.

Sterilization can be accomplished by a combination of heat, chemicals, irradiation, high pressure and filtration like steam under pressure, dry heat, ultraviolet radiation, gas vapor sterilants, chlorine dioxide gas etc.

Disinfection and sterilization are both decontamination processes. While disinfection is the process of eliminating or reducing harmful microorganisms from inanimate objects and surfaces, sterilization is the process of killing all microorganisms.