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 (A)</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 (D)</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 (C)</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 (C)</p> Signup and view all the answers

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

<p>Teratogens (B)</p> Signup and view all the answers

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

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

What is the purpose of the written hazard communication program?

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

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

<p>Carcinogen (B)</p> Signup and view all the answers

What is the purpose of disinfection before and after work?

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

What is the main focus of Molecular Biology and Diagnostics?

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

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

<p>Micropipetting (A)</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 (D)</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 (C)</p> Signup and view all the answers

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

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

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

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

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