Metric System in Biotechnology Lab
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Questions and Answers

What is the basic unit for measuring length in the metric system?

  • Millimeter
  • Centimeter
  • Kilometer
  • Meter (correct)

How many millimeters are there in a centimeter?

  • 50
  • 100
  • 10 (correct)
  • 1

Which instrument is used to measure volume in milliliters in the metric system?

  • Balance
  • Thermometer
  • Ruler
  • Graduated cylinder (correct)

Why is it important to never perform mouth pipetting?

<p>Mouth pipetting can increase the risk of self-inoculation. (C)</p> Signup and view all the answers

What does '2 m' convey about a measurement in the metric system?

<p>The length is twice that of the base unit of length, the meter (C)</p> Signup and view all the answers

In weight measurements in the metric system, what is the basic unit used?

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

What is the purpose of using facial barrier protection in a laboratory?

<p>To protect against the inhalation of infectious aerosols (D)</p> Signup and view all the answers

Why is it recommended to dispose of needles using the 'one-handed' technique?

<p>To minimize the risk of needle stick injuries (B)</p> Signup and view all the answers

Why should employees wash their hands whenever they leave the laboratory?

<p>To reduce the risk of spreading infectious agents outside the laboratory (B)</p> Signup and view all the answers

What is the primary reason for never performing mouth pipetting in the laboratory?

<p>To prevent potential self-inoculation (B)</p> Signup and view all the answers

Why is it crucial to dispose of needles using the 'one-handed' technique in a laboratory setting?

<p>To minimize the risk of needlestick injuries (A)</p> Signup and view all the answers

What is the main purpose of using barrier protections such as gloves, masks, and protective eye wear in a laboratory?

<p>To provide a physical barrier against potentially infectious materials (A)</p> Signup and view all the answers

Why is it recommended to encourage frequent hand washing in a laboratory setting?

<p>To minimize the spread of microorganisms (A)</p> Signup and view all the answers

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