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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?

100

10 (correct)

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?

Mouth pipetting can increase the risk of self-inoculation. Signup and view all the answers

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

The length is twice that of the base unit of length, the meter Signup and view all the answers

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

Gram Signup and view all the answers

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

To protect against the inhalation of infectious aerosols Signup and view all the answers

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

To minimize the risk of needle stick injuries Signup and view all the answers

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

To reduce the risk of spreading infectious agents outside the laboratory Signup and view all the answers

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

To prevent potential self-inoculation Signup and view all the answers

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

To minimize the risk of needlestick injuries 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?

To provide a physical barrier against potentially infectious materials Signup and view all the answers

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

To minimize the spread of microorganisms Signup and view all the answers