NURSING EXAM QUESTIONS
MICROBIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Millimeters
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Micrometers
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Nanometers
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Centimeters
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Detailed explanation-1: -A millimeter is the smallest unit of measurement of length on a standard ruler in the metric system. It is abbreviated mm. There are 10 mm in 1 centimeter. Millimeters are the smallest unit of length.
Detailed explanation-2: -millimetre (mm), also spelled millimeter, unit of length equal to 0.001 metre in the metric system and the equivalent of 0.03937 inch.
Detailed explanation-3: -Grams would be the best unit to weigh 5 pennies, since each penny is about 2.5 grams.
Detailed explanation-4: -If the object is very tiny, use a ruler for millimeters. If the object is less than 30 cm use a ruler for centimeters. If the object is between 30 cm and 2 or so meters use a meter stick. If the object is greater than a few meters, use a metric tape measure.
Detailed explanation-5: -A millimeter is about the thickness of a plastic id card (or credit card). Or about the thickness of 10 sheets of paper on top of each other. This is a very small measurement!