300+ Lab Technician Interview Questions and Answers

Order of draw and CBC parameters with normal range for lab technician interview.

• Order of draw refers to the sequence in which different blood collection tubes are filled during venipuncture.

• The correct order of draw is important to prevent cross-contamination and ensure accurate test results.

• Common order of draw includes blood culture bottles, coagulation tubes, serum tubes, and EDTA tubes.

• CBC parameters include red blood cell count (RBC), white blood cell count (WBC), hemogl...read more

To work with an ABG machine and use it to draw blood, the technician should position the patient in a comfortable and stable position, usually sitting or lying down.

• Position the patient in a comfortable and stable position, such as sitting or lying down.

• Ensure the patient's arm is extended and supported, with the hand slightly lower than the heart.

• Clean the puncture site with an antiseptic solution.

• Insert the needle into the radial artery, applying gentle suction to collect t...read more

The types of motors used for lift installation include AC motors, DC motors, and gearless motors.

• AC motors are commonly used in lifts due to their reliability and ability to handle heavy loads.

• DC motors are used in lifts that require precise control and smooth operation.

• Gearless motors are used in high-rise buildings as they provide high torque and require less maintenance.

• Examples of AC motor brands used in lifts include Siemens, Otis, and Kone.

• Examples of DC motor brands us...read more

Elevator breakdown refers to the malfunction or failure of an elevator system.

• Elevator breakdown can occur due to various reasons such as mechanical issues, power failure, or sensor malfunction.

• When an elevator breaks down, it may get stuck between floors, preventing people from using it.

• In such situations, technicians are called to diagnose and fix the problem to restore the elevator's functionality.

• Regular maintenance and inspections can help prevent elevator breakdowns and...read more

Lipid profile includes total cholesterol, triglyceride, HDL, and LDL levels. SGPT normal range is 0-30mg/dl. CBC profile includes hemoglobin, RBC, WBC, platelet, MCV, MCHC, MCH, and PCV. Pregnancy confirmation blood test is B-HCG. LFT profile includes SGOT, SGPT, alkaline phosphate, total bilirubin, direct bilirubin, total protein, albumin, and globulin. Normal range of fasting sugar is 70-110 g/dl.

• Lipid profile consists of total cholesterol, triglyceride, HDL, and LDL levels...read more

To make a good slide, ensure proper slide preparation and staining procedures.

• Start with a clean and dry slide to prevent contamination.

• Use a fine-tip marker to label the slide with relevant information.

• Place a small drop of the specimen on the slide and spread it evenly using a spreader or another slide.

• Allow the slide to air dry or use a gentle heat source to speed up the drying process.

• Choose the appropriate staining procedure based on the type of specimen and desired visu...read more

Merchandise exports cross USD 40 billion in April 2022 with 30% YoY growth.

• Merchandise exports in April 2022 reached USD 40 billion, a 30% YoY growth.

• Overall exports (Merchandise and Services) in April 2022 estimated to be USD 67.79 billion, a 38.90% YoY growth.

• This growth can be attributed to various factors such as increased demand, favorable policies, and a weaker currency.

• The increase in exports is a positive sign for the economy and can lead to job creation and increased...read more

Nominal concrete proportion varies for different grades of concrete.

• Nominal mix for M10 grade is 1:3:6 (cement:sand:aggregate)

• Nominal mix for M20 grade is 1:2:4

• Nominal mix for M30 grade is 1:1.5:3

• Nominal mix for M40 grade is 1:1:2

• Nominal mix for M50 grade is 1:0.75:1.5

I have experience in performing lab solutions and handling patients and sample collection with confidence.

• I have experience in preparing lab solutions following standard protocols and procedures.

• I am skilled in handling patients with care and professionalism during sample collection.

• I ensure accuracy and precision in sample collection to maintain quality results.

• I communicate effectively with patients to ensure their comfort and understanding throughout the process.

It can be difficult to determine the blood group of an early born baby because their immune system is not fully developed and may not have produced enough antibodies yet.

• Early born babies may not have fully developed immune systems

• Their immune systems may not have produced enough antibodies yet

• This can make it challenging to accurately determine their blood group

Full CBC stands for Complete Blood Count and includes various blood parameters. PRAMETRAS is not a medical term.

• Full CBC is a blood test that measures various parameters like red blood cells, white blood cells, hemoglobin, platelets, etc.

• PRAMETRAS is not a medical term and may not have a specific meaning in the context of lab technician work.

• Some common parameters measured in a Full CBC include RBC count, WBC count, Hemoglobin, Hematocrit, Platelet count, etc.

Yes, I am able to solve abnormal test results independently by analyzing the data and consulting with colleagues if needed.

• I have experience in analyzing abnormal test results and identifying potential causes

• I am comfortable researching and consulting with colleagues or experts for additional insights

• I am able to troubleshoot and problem-solve independently to reach a resolution

I would consult with my colleagues, supervisor, or refer to relevant literature to seek guidance on solving the abnormal case.

• Consult with colleagues or supervisor for their input and suggestions

• Refer to relevant literature or research to gather more information

• Seek guidance from experts in the field if necessary

Elevator control system is responsible for managing the movement and operation of elevators.

• Elevator control system coordinates the movement of multiple elevators in a building.

• It ensures efficient and safe transportation of passengers or goods between different floors.

• The system includes components like buttons, sensors, motors, and a central control unit.

• It uses algorithms to optimize elevator routes and minimize waiting and travel times.

• Emergency features like fire service...read more

The order of draw is the sequence in which blood collection tubes are filled during venipuncture.

• The order of draw is important to prevent cross-contamination and ensure accurate test results.

• The most common order of draw is as follows: blood culture tubes, coagulation tubes (sodium citrate), serum tubes, heparin tubes, EDTA tubes, and glycolytic inhibitor tubes.

• Sodium citrate tubes are used for coagulation tests, such as prothrombin time (PT) and activated partial thrombopla...read more

Some of the cement tests conducted according to Indian Standards (IS) include fineness test, soundness test, compressive strength test, and setting time test.

• Fineness test determines the particle size of cement particles.

• Soundness test checks the ability of cement to retain its volume after setting.

• Compressive strength test measures the ability of cement to withstand loads.

• Setting time test determines the time taken for cement to set.

• Other tests include specific gravity test,...read more

The normal range of uric acid in blood is 2.4-6.0 mg/dL for women and 3.4-7.0 mg/dL for men. It is done to diagnose conditions like gout and kidney stones.

• Normal range of uric acid in blood: 2.4-6.0 mg/dL for women and 3.4-7.0 mg/dL for men

• Uric acid test helps diagnose conditions like gout, kidney stones, and kidney disease

• High levels of uric acid can lead to gout, a form of arthritis

• Low levels of uric acid can be seen in conditions like Wilson's disease

Anti CCP test is done to diagnose and monitor rheumatoid arthritis. Anti CCP stands for Anti-Cyclic Citrullinated Peptide.

• Anti CCP test is done to detect antibodies that target cyclic citrullinated peptides, which are often present in rheumatoid arthritis patients.

• It is a specific and sensitive test for diagnosing rheumatoid arthritis, especially in the early stages.

• Anti CCP test results can help in predicting the severity and progression of rheumatoid arthritis.

• The full form...read more

Arbor lab has extensive experience in herbal products, with a wide range of offerings.

• Arbor lab has been working with herbal products for many years

• They have a diverse range of herbal products in their portfolio

• Arbor lab is known for their expertise in formulating herbal remedies

CBC profile stands for Complete Blood Count profile, which includes various parameters such as hemoglobin, RBC count, WBC count, PCV, MCV, MCHC, and MCH.

• CBC profile is a common blood test that provides important information about the overall health of an individual.

• Hemoglobin measures the amount of oxygen-carrying protein in the blood.

• RBC count indicates the number of red blood cells present in a given volume of blood.

• WBC count measures the number of white blood cells, which ...read more

Westgard rules are a set of rules used in quality control to detect errors or outliers in laboratory testing.

• Westgard rules are used to determine if a set of control measurements are within acceptable limits.

• Rejection rules are used to identify when a measurement is so far outside the expected range that it should be rejected.

• Warning rules are used to identify when a measurement is slightly outside the expected range, indicating a potential issue.

• For example, a common rejecti...read more

Lab technicians are responsible for conducting tests and procedures in a laboratory setting.

• Collecting and preparing samples for testing

• Performing tests and analyzing results

• Maintaining laboratory equipment and supplies

• Recording and interpreting data

• Following safety protocols and maintaining a clean work environment

• Knowledge of blood collection tubes and other laboratory equipment

• Understanding of laboratory procedures and protocols

• Ability to work independently and as part of ...read more

I have a strong understanding of analysers used in medical laboratories, including their functions and maintenance.

• Knowledge of different types of analysers used in medical laboratories, such as chemistry analysers, hematology analysers, and immunoassay analysers

• Understanding of how analysers work to analyze samples and produce accurate results

• Familiarity with troubleshooting common issues with analysers and performing regular maintenance to ensure proper functioning

• Experienc...read more

Biochemistry tests are laboratory tests that analyze the chemical components of biological samples.

• Biochemistry tests are used to measure levels of various substances in the body, such as glucose, cholesterol, enzymes, hormones, and electrolytes.

• These tests help diagnose and monitor conditions like diabetes, liver and kidney diseases, hormonal imbalances, and metabolic disorders.

• Examples of biochemistry tests include blood glucose test, lipid profile, liver function tests, ki...read more

The process of colour coating line involves applying a layer of color to a surface using various techniques and equipment.

• Preparation of the surface by cleaning and treating it to ensure proper adhesion of the coating

• Application of the color coating using methods like spraying, dipping, or electrostatic deposition

• Curing or drying the coating to achieve the desired finish and durability

• Quality control measures to ensure the coating meets the required standards

• Packaging and lab...read more

There are several types of elevator controllers used in different elevator systems.

• Relay-based controllers: These controllers use relays to control the movement of the elevator car.

• Microprocessor-based controllers: These controllers use microprocessors to control the elevator's operation.

• Hydraulic controllers: These controllers are specifically designed for hydraulic elevator systems.

• Traction controllers: These controllers are used in traction elevator systems.

• Machine-room-le...read more

Yes, I will provide accurate and trustworthy reports for patients.

• I have a strong attention to detail and follow strict protocols for accurate reporting.

• I understand the importance of patient confidentiality and will handle all information with care.

• I have experience in accurately documenting and reporting lab results in previous roles.

A 1.5 ton HVAC unit has approximately 18,000 BTU.

• BTU stands for British Thermal Unit and is a measure of heat energy.

• CFM stands for Cubic Feet per Minute and is a measure of air flow.

• The BTU output of an HVAC unit depends on factors such as the size of the unit and the efficiency of the system.

• A 1.5 ton HVAC unit is typically used to cool a space of around 600-900 square feet.

• CFM is an important factor in determining the effectiveness of an HVAC system in distributing cool ai...read more

To check HVAC capacitor microfarad, use a multimeter. To check gas compressor, check for proper voltage and refrigerant levels.

• For checking capacitor microfarad, set the multimeter to capacitance mode and connect the probes to the capacitor terminals. The reading should be within 10% of the rated value.

• For checking gas compressor, check the voltage at the compressor terminals with a multimeter. It should be within the manufacturer's specifications. Also, check the refrigerant...read more

I have used a variety of machines including spectrophotometers, microscopes, centrifuges, and PCR machines.

• Spectrophotometers: Used for measuring the amount of light absorbed by a substance.

• Microscopes: Used for magnifying small objects or organisms for observation.

• Centrifuges: Used for separating components of a liquid by spinning it at high speeds.

• PCR machines: Used for amplifying DNA through the polymerase chain reaction process.

To run DNA in SDS and Agarose gel electrophoresis, first prepare the samples, load them onto the gel, run the gel, and visualize the results.

• Prepare the DNA samples by mixing them with loading dye and denaturing them for SDS gel electrophoresis.

• Load the samples into the wells of the gel using a micropipette, ensuring equal volume in each well.

• Run the gel at a constant voltage for a specific amount of time, typically until the dye front reaches the bottom of the gel.

• Visualize ...read more

The white blood cell count and platelet count are two different measurements used in laboratory testing.

• White blood cell count measures the number of white blood cells in a given volume of blood.

• Platelet count measures the number of platelets in a given volume of blood.

• Both counts are important indicators of a person's overall health and can help diagnose various medical conditions.

• For example, a high white blood cell count may indicate an infection or inflammation, while a l...read more

CAPA stands for Corrective and Preventive Action. Westgard method is a statistical quality control tool used in laboratories.

• CAPA is a process used to identify and address problems in a laboratory's quality management system.

• It involves investigating the root cause of a problem, implementing corrective actions to address the immediate issue, and preventive actions to prevent future occurrences.

• Westgard method is a statistical quality control tool used to monitor the performan...read more

I am proficient in working with desktop systems and Microsoft software.

• I have experience in troubleshooting and maintaining desktop systems.

• I am familiar with Microsoft Office Suite and can perform various tasks using it.

• I am comfortable with operating systems like Windows and can navigate through them easily.

• I have knowledge of basic networking concepts and can set up a local network.

• I am always willing to learn and adapt to new software and technology.

There are four main blood groups in the human body: A, B, AB, and O.

• Blood group A has A antigens on red blood cells and anti-B antibodies in the plasma.

• Blood group B has B antigens on red blood cells and anti-A antibodies in the plasma.

• Blood group AB has both A and B antigens on red blood cells but no antibodies.

• Blood group O has no antigens on red blood cells but both anti-A and anti-B antibodies in the plasma.

The formula for methanol is CH3OH.

• Methanol is also known as methyl alcohol.

• Its chemical formula is CH3OH, where CH3 represents a methyl group and OH represents a hydroxyl group.

• Methanol is a colorless liquid that is used as a solvent, fuel, and antifreeze.

• It is highly flammable and toxic if ingested or inhaled.

Calibration is necessary for biomedical equipment to ensure accurate and reliable measurements for patient care and safety.

• Calibration ensures accuracy and reliability of measurements, which is crucial for patient diagnosis and treatment.

• Regular calibration helps in detecting and correcting any deviations or errors in the equipment's readings.

• It ensures that the equipment is functioning within acceptable limits set by regulatory bodies like FDA or ISO.

• Calibration also helps i...read more

Yes, I am familiar with using a plotter.

• I have experience using both inkjet and laser plotters.

• I am proficient in loading paper and ink cartridges, as well as troubleshooting any issues that may arise.

• I have used plotters to print out graphs, charts, and technical drawings.

• I am familiar with software programs such as AutoCAD and Adobe Illustrator that are commonly used with plotters.

The normal range of random blood sugar is 70 to 110 mg/dl.

• Normal random blood sugar levels range from 70 to 110 mg/dl.

• Blood sugar levels below 70 mg/dl may indicate hypoglycemia.

• Blood sugar levels above 110 mg/dl may indicate hyperglycemia.

• Random blood sugar tests are taken without fasting and can be done at any time of the day.

• The normal range may vary slightly depending on the laboratory and individual factors.

There are four main blood groups: A, B, AB, and O.

• There are four main blood groups: A, B, AB, and O

• Each blood group is determined by the presence or absence of specific antigens on the surface of red blood cells

• Blood type O is considered the universal donor, while AB is considered the universal recipient

CBC includes tests for red and white blood cells, platelets, and hemoglobin. Order of draw is the sequence of blood collection tubes.

• CBC includes tests for red and white blood cells, platelets, and hemoglobin

• Order of draw is the sequence of blood collection tubes

• The order of draw is important to prevent cross-contamination between tubes

• The recommended order of draw is blood culture, coagulation, non-additive, serum, heparin, EDTA, and fluoride

• For example, if a tube containing...read more

Yes, I am familiar with operating fully automatic hormones machines.

• I have experience in operating fully automatic hormones machines in previous lab technician roles.

• I am trained in using the machine to accurately measure and analyze hormone levels.

• I am familiar with troubleshooting any issues that may arise during operation.

• I understand the importance of following proper protocols and safety measures when using the machine.

Performing QC, calibration, and maintenance of instruments is crucial for ensuring accurate and reliable results in the laboratory.

• Perform daily QC checks to ensure accuracy and precision of instruments

• Calibrate instruments regularly according to manufacturer's guidelines

• Maintain instruments by cleaning, troubleshooting, and replacing parts as needed

• Keep detailed records of QC, calibration, and maintenance procedures

• Train staff on proper QC, calibration, and maintenance proto...read more

The method of colour coating in lab technician work involves various techniques and processes.

• There are several methods of colour coating used in the lab, such as dip coating, spray coating, and spin coating.

• Each method has its own advantages and disadvantages, and is chosen based on the specific requirements of the coating.

• Dip coating involves immersing the object in a solution or suspension of the coating material and then withdrawing it slowly to allow the excess to drain ...read more

Patients are checked for RFT test to evaluate kidney function and detect any abnormalities.

• RFT stands for Renal Function Test

• It includes tests like serum creatinine, blood urea nitrogen, and estimated glomerular filtration rate

• Abnormal results may indicate kidney disease or dysfunction

• RFT test is also used to monitor the progress of kidney disease and the effectiveness of treatment

Lab glass materials can be sterilized using methods such as autoclaving, dry heat sterilization, and chemical sterilization.

• Autoclaving: Using high pressure steam to kill microorganisms on the glass materials.

• Dry heat sterilization: Heating the glass materials at high temperatures to destroy microorganisms.

• Chemical sterilization: Immersing the glass materials in disinfectant solutions to eliminate microorganisms.

Internal controls are processes put in place by an organization to ensure the accuracy and reliability of financial reporting, compliance with laws and regulations, and the effectiveness and efficiency of operations.

• Internal controls help prevent fraud and errors within an organization.

• They involve procedures, policies, and mechanisms to safeguard assets and ensure financial data integrity.

• Examples include segregation of duties, authorization processes, and regular audits.

• Int...read more