MLT 81 Chapter 6 Quiz A

What is the standard unit for the measurement of length in the SI system?

• Meter

• Centimeter

• Inch

• Foot

Answer explanation

The standard unit for the measurement of length in the SI system is the meter. The SI system, or International System of Units, is a globally recognized system of measurement. While centimeters, inches, and feet are also units of length, they are not the standard unit in the SI system. The meter is the base unit for length in this system.

What is the standard unit for the measurement of mass in the SI system?

• Kilogram

• Gram

• Pound

• Milligram

Answer explanation

The standard unit for the measurement of mass in the SI system is the kilogram. The other options, gram, pound, and milligram, are not the standard units in the SI system. The kilogram is the base unit for mass, making it the correct choice.

What is the standard unit for the measurement of volume in the SI system?

• Liter

• Milliliter

• Cubic Meter

• Gallon

Answer explanation

The standard unit for the measurement of volume in the SI system is the liter. Although other units like milliliter, cubic meter, and gallon are also used to measure volume, the liter is the most commonly used and recognized unit in the SI system.

How many centimeters are there in 1 inch?

• 2.54

• 10

• 100

• 0.01

Answer explanation

The question asks about the conversion of inches to centimeters. The correct answer is 2.54. This is because 1 inch is universally accepted to be equivalent to 2.54 centimeters. Therefore, the correct choice among the given options is 2.54.

Which system of measurement is commonly used in the United States?

• English System

• Metric System

• SI System

• Both English and Metric Systems

Answer explanation

The English System of measurement is commonly used in the United States. This system includes units such as inches, feet, pounds, and gallons. While the Metric System is used in many other parts of the world, the U.S. primarily uses the English System in everyday life.

What is the base unit of temperature in the SI system?

• Kelvin

• Celsius

• Fahrenheit

• Degree

Answer explanation

The base unit of temperature in the International System of Units (SI) is Kelvin. While Celsius and Fahrenheit are commonly used for temperature measurement, they are not the base units in the SI system. The degree is a unit of measurement for angles and not temperature. Therefore, the correct answer is Kelvin.

What is the unit of mass that is commonly used in weighing substances in the clinical laboratory?

• Gram

• Kilogram

• Milligram

• Pound

Answer explanation

The question asks about the unit of mass commonly used in clinical laboratories for weighing substances. The correct answer is 'Gram'. This is because, in a clinical laboratory setting, substances are often measured in small quantities, making the gram a more appropriate unit than the kilogram or pound. The milligram, while smaller, is not as commonly used as the gram.

What is the unit of volume that is commonly used in the clinical laboratory?

• Liter

• Milliliter

• Cubic Meter

• Gallon

Answer explanation

The question asks about the unit of volume commonly used in clinical laboratories. The correct answer is 'Liter'. This is because, in the clinical laboratory setting, measurements are often made in liters or fractions of a liter, such as milliliters. Other options like Cubic Meter and Gallon are not typically used in this context.

What is the difference between a liter and a quart?

• A liter is slightly more than a quart

• A quart is slightly more than a liter

• A liter is equal to a quart

• A quart is equal to a liter

Answer explanation

The question asks about the difference between a liter and a quart. The correct answer is that a liter is slightly more than a quart. This means that if you were to measure the same amount of liquid in both a liter and a quart container, the liter container would be slightly more full.

Which of the following is equivalent to 500 mL?

• 0.5 L

• 0.25 L

• 2 L

• 0.5 mL

Answer explanation

The question asks for the equivalent of 500 mL in liters. To convert milliliters to liters, divide the value by 1000. So, 500 mL divided by 1000 equals 0.5 L. Therefore, the correct choice is 0.5 L.