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CSMLS MLA Certification Exam: Practice Test 5

Number of questions: 180

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About the CSMLS MLA exam

The CSMLS MLA Certification Exam is an examination for laboratory assistants in Canada. The exam is set by the CSMLS (Canadian Society for Medical Laboratory Science).

About these practice questions

These practice questions will help prepare you for the CSMLS MLA exam.

This page contains 180 practice questions divided into the eight sections of the exam: 1. Safe Work Practices, 2. Data and Specimen Collection and Handling, 3. Pre-analytical Procedures, 4. Reagent Preparation, 5. Communication and Interaction, 6. Quality Management, 7. Professional Practice, and 8. Critical Thinking.

All questions have been carefully designed to mimic the questions on the real exam, to help you prepare and get a passing grade.

Check out all the practice tests in this series: Practice Test 1, Practice Test 2, Practice Test 3, Practice Test 4, and Practice Test 5.

Sections

  1. Safe Work Practices
  2. Data and Specimen Collection and Handling
  3. Pre-analytical Procedures
  4. Reagent Preparation
  5. Communication and Interaction
  6. Quality Management
  7. Professional Practice
  8. Critical Thinking

Section 1: Safe Work Practices

1.1) What is the term for a harmful chemical that affects the entire body or multiple organs?
  1. Contact poison
  2. Neurotoxic agent
  3. Systemic toxin
  4. Teratogen
Answers are locked. Please click here to buy them. 1.2) What is a major hazard of UV lamps?
  1. Carbon monoxide poisoning
  2. Electromagnetic interference
  3. Explosions
  4. Skin burns
Answers are locked. Please click here to buy them. 1.3) Which of these is the most flammable?
  1. Acids
  2. Organic solvents
  3. Strong oxidizers
  4. Strong reducers
Answers are locked. Please click here to buy them. 1.4) Which of these is an example of passive fire protection?
  1. Fire alarms
  2. Fire extinguishers
  3. Fire-resistant walls
  4. Sprinklers
Answers are locked. Please click here to buy them. 1.5) Which of these should you NOT wear in a lab?
  1. Closed-toe shoes
  2. Contact lenses
  3. Glasses
  4. Hairpin
Answers are locked. Please click here to buy them. 1.6) What is the term for a substance with the potential to produce cancer in humans or animals?
  1. Carcinogen
  2. Caustic substance
  3. Nosocomial substance
  4. Pathogenic substance
Answers are locked. Please click here to buy them. 1.7) What is the single most important method of preventing infection?
  1. Proper handwashing
  2. Sneezing into your arm
  3. Thorough cleaning of equipment
  4. Wearing a lab coat
Answers are locked. Please click here to buy them. 1.8) The six links in the chain of infection are infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and:
  1. behaviour
  2. hospital-acquired infection
  3. reagent
  4. susceptible host
Answers are locked. Please click here to buy them. 1.9) How are ethers stored?
  1. In airtight bottles
  2. In the light
  3. In the refrigerator
  4. Underwater
Answers are locked. Please click here to buy them. 1.10) Where is methanol stored?
  1. In a fume hood
  2. In a flammables storage cabinet
  3. In a refrigerator
  4. On the bench top
Answers are locked. Please click here to buy them. 1.11) Under WHMIS 2015, supplier labels must:
  1. be in English and French
  2. contain a photo of the hazardous product
  3. follow a set format
  4. have a hatched border
Answers are locked. Please click here to buy them. 1.12) Which of these dilutions is the most effective disinfectant?
  1. 10% ethyl alcohol
  2. 40% ethyl alcohol
  3. 70% ethyl alcohol
  4. 90% ethyl alcohol
Answers are locked. Please click here to buy them. 1.13) You should start timing the autoclave when the desired temperature for the autoclave is reached and:
  1. steam enters the inner sterilizing chamber
  2. the pressure reaches 15 lbs per square inch
  3. the sterilization indicator changes colour
  4. the warning light starts flashing
Answers are locked. Please click here to buy them. 1.14) What pressure and temperature do autoclaves use?
  1. 12 psi at 115°C
  2. 12 psi at 120°C
  3. 15 psi at 112°C
  4. 15 psi at 121°C
Answers are locked. Please click here to buy them. 1.15) Why must all air be removed from an autoclave before switching it on?
  1. Air causes cold spots in the autoclave
  2. Air increases the risk of explosion
  3. Any water in the air will dilute the sterilizing agents
  4. Steam can break the glassware
Answers are locked. Please click here to buy them. 1.16) Which item of lab equipment sterilizes using pressurized steam?
  1. Autoclave
  2. Dry heat sterilizer
  3. Fume hood
  4. Oven
Answers are locked. Please click here to buy them. 1.17) What problem can happen if a dry heat oven is opened during sterilization?
  1. Glassware may break
  2. Glassware may get wet
  3. Sterilization may not be complete
  4. The oven may get damaged
Answers are locked. Please click here to buy them. 1.18) What is the first step when a tube of blood breaks inside a spinning centrifuge?
  1. Remove any unbroken tubes from the centrifuge
  2. Remove the broken pieces with tweezers
  3. Turn off the centrifuge
  4. Wipe the inner surface with disinfectant
Answers are locked. Please click here to buy them. 1.19) The Globally Harmonized System of Classification and Labelling of Chemicals has two signal words for hazardous chemicals: "Danger" and:
  1. Attention
  2. Caution
  3. Notice
  4. Warning
Answers are locked. Please click here to buy them.

Section 2: Data and Specimen Collection and Handling

Section 3: Pre-analytical Procedures

Section 4: Reagent Preparation

Section 5: Communication and Interaction

Section 6: Quality Management

Section 7: Professional Practice

Section 8: Critical Thinking

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