Introduction to Molecular Biology and Diagnostics Quiz
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Questions and Answers

What is the fundamental concept behind fire?

  • Quick oxidation of a combustible material (correct)
  • Rapid increase in oxygen levels
  • Spontaneous combustion of materials
  • Rapid reduction of heat and light
  • How does the air-displacement automatic pipette work?

  • By moving the piston up to let air out
  • By expanding an elastic air cushion
  • By maintaining a constant aspiration force
  • By displacing air when the push-button is pressed (correct)
  • What precaution should be taken when using high-voltage equipment like electrophoresis apparatus?

  • Use two-prong plugs for flexibility
  • Ensure equipment has a three-prong plug and is properly grounded (correct)
  • Operate equipment on wet surfaces for safety
  • Keep cords close together to avoid tangling
  • How does positive displacement pipetting differ from air displacement pipetting?

    <p>It maintains a constant aspiration force</p> Signup and view all the answers

    What is the purpose of forward pipetting when dispensing aqueous solutions?

    <p>To ensure accuracy of the final volume</p> Signup and view all the answers

    Why is it crucial to report any 'tingle' sensation while using electrical equipment?

    <p>To prevent electric shocks or hazards</p> Signup and view all the answers

    What is the primary purpose of the Safety Data Sheet (SDS)?

    <p>To provide safety information for employees handling hazardous materials</p> Signup and view all the answers

    What is the term for substances that affect cellular development of a fetus or embryo?

    <p>Teratogens</p> Signup and view all the answers

    What is the main hazard associated with electrical equipment in hazardous atmospheres?

    <p>Fire and explosion</p> Signup and view all the answers

    What is the purpose of the written hazard communication program?

    <p>To educate employees on chemical safety</p> Signup and view all the answers

    What is the term for a chemical that can cause cancer?

    <p>Carcinogen</p> Signup and view all the answers

    What is the purpose of disinfection before and after work?

    <p>To prevent biological hazards</p> Signup and view all the answers

    What is the main focus of Molecular Biology and Diagnostics?

    <p>Molecular Biology</p> Signup and view all the answers

    What is a critical skill required in Molecular Biology and Diagnostics laboratory?

    <p>Micropipetting</p> Signup and view all the answers

    Why should universal precautions be followed in the laboratory?

    <p>To prevent the transmission of blood-borne pathogens</p> Signup and view all the answers

    What is an important aspect of specimen collection in Molecular Biology and Diagnostics?

    <p>Handling and storing samples appropriately</p> Signup and view all the answers

    What is a critical knowledge area in Molecular Biology and Diagnostics?

    <p>Laboratory mathematics</p> Signup and view all the answers

    What is an important social aspect of Molecular Biology and Diagnostics?

    <p>Ethical considerations</p> Signup and view all the answers

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