Here are some sample questions for a Certificate Level in Medical Laboratory Technician (CMLT) license examination. These cover a variety of topics typically tested at the certificate level:
General Knowledge:
- Which of the following is a main function of the kidneys?
- a) Production of insulin
- b) Regulation of blood pressure
- c) Detoxification of alcohol
- d) Regulation of body temperature
- What is the main component of red blood cells that carries oxygen?
- a) Hemoglobin
- b) Albumin
- c) Insulin
- d) Myosin
Hematology:
- Which blood cell is responsible for immune response?
- a) Erythrocytes
- b) Platelets
- c) Leukocytes
- d) Plasma cells
- What is the normal range of white blood cells in a healthy adult?
- a) 3,000 – 7,000 cells/µL
- b) 4,000 – 10,000 cells/µL
- c) 5,000 – 12,000 cells/µL
- d) 1,000 – 5,000 cells/µL
Microbiology:
- Which of the following bacteria is commonly associated with urinary tract infections?
- a) Streptococcus pneumoniae
- b) Escherichia coli
- c) Staphylococcus aureus
- d) Mycobacterium tuberculosis
- Which test is used to detect the presence of Helicobacter pylori?
- a) Blood culture
- b) Urea breath test
- c) Stool culture
- d) PCR test
Biochemistry:
- Which enzyme is primarily responsible for the breakdown of carbohydrates?
- a) Amylase
- b) Lipase
- c) Protease
- d) Lactase
- In which organ is insulin primarily produced?
- a) Liver
- b) Pancreas
- c) Kidney
- d) Small intestine
Laboratory Techniques:
- What is the principle of the Hemoglobin A1c test?
- a) Measures average blood glucose levels over the last 2-3 weeks
- b) Measures the current blood glucose level
- c) Measures serum insulin levels
- d) Measures kidney function
- Which of the following methods is used for the determination of blood type?
- a) Polymerase chain reaction
- b) Agglutination reaction
- c) Electrophoresis
- d) Spectrophotometry
Safety and Quality Control:
- What should be done when a blood sample is accidentally spilled on the floor in a laboratory?
- a) Leave it for cleaning staff
- b) Clean it with water only
- c) Follow the lab’s biohazard spill protocol immediately
- d) Discard the sample without cleaning it
- Which of the following is a key principle in laboratory safety?
- a) Always wear safety goggles, gloves, and a lab coat
- b) Never clean equipment
- c) Use broken equipment as long as it works
- d) Only handle chemicals without labels
Answers:
- b) Regulation of blood pressure
- a) Hemoglobin
- c) Leukocytes
- b) 4,000 – 10,000 cells/µL
- b) Escherichia coli
- b) Urea breath test
- a) Amylase
- b) Pancreas
- a) Measures average blood glucose levels over the last 2-3 weeks
- b) Agglutination reaction
- c) Follow the lab’s biohazard spill protocol immediately
- a) Always wear safety goggles, gloves, and a lab coat