Q: Which of the following best describes the relationship between inches and centimeters?

$$1 \text{ inch} = 2.54 \text{ cm}$$

Question 1

Which of the following is the correct basic unit for measuring mass in the metric system?

Accepted Answer

Gram (g)

Question 2

A patient’s body temperature is measured at 39°C. What is this temperature in degrees Fahrenheit? Use the formula $$oF = 1.8(oC) + 32.$$

Accepted Answer

$$102.2^\circ F$$

Question 3

Which metric prefix represents one thousandth ($$0.001) of a $$unit?

Accepted Answer

Milli-

Question 4

You have a medication order for 500 mg. How many grams is this? (Recall: $$1 	ext{ gram} = 1000 	ext{ mg})$$

Accepted Answer

$$0.5$$ grams

Question 5

A laboratory sample has a mass of 2 ounces. What is the mass in grams? (Use $$1 	ext{ ounce} = 28.35 	ext{ grams})$$

Accepted Answer

$$56.7$$ grams

Question 6

Which instrument would you use to measure the volume of a liquid most accurately in a laboratory setting?

Accepted Answer

Graduated cylinder

Question 7

A patient’s wound is 5 cm long. How many millimeters is this? (Recall: $$1 	ext{ cm} = 10 	ext{ mm})$$

Accepted Answer

$$50 mm$$

Question 8

Convert 3 liters to milliliters. (Recall: $$1 	ext{ L} = 1000 	ext{ mL})$$

Accepted Answer

$$3000 mL$$

Question 9

Which of the following best describes the relationship between inches and centimeters?

Accepted Answer

$$1 	ext{ inch} = 2.54 	ext{ cm}$$

Question 10

A nurse needs to convert a patient’s weight from pounds to kilograms. If the patient weighs 154 pounds, what is their weight in kilograms? (Use $$1 	ext{ kg} = 2.2 	ext{ lbs})$$

Accepted Answer

$$70 kg$$

Question 11

Which metric prefix means one millionth ($$0.000001) of a $$unit?

Accepted Answer

Micro-

Question 12

A solution is measured as 250 mL. How many liters is this? (Recall: $$1 	ext{ L} = 1000 	ext{ mL})$$

Accepted Answer

$$0.25 L$$

Question 13

Which of the following is the correct formula to convert Celsius to Fahrenheit?

Accepted Answer

$$oF = 1.8(oC) + 32$$

Question 14

A doctor prescribes 2 teaspoons of medicine. How many milliliters is this? (Recall: $$1 	ext{ tsp} = 5 	ext{ mL})$$

Accepted Answer

$$10 mL$$

Question 15

Which of the following is the correct metric unit for measuring the length of a human femur?

Accepted Answer

Centimeter (cm)

Question 16

A laboratory needs to prepare 0.5 L of a solution. How many microliters is this? (Recall: $$1 	ext{ L} = 1,000,000 	ext{ \mu L})$$

Accepted Answer

$$500,000$$ \mu L

Question 17

A patient’s IV bag contains 1.5 quarts of saline. How many liters is this? (Use $$1 	ext{ quart} = 0.95 	ext{ L})$$

Accepted Answer

$$1.425 L$$

Question 18

Which of the following is the correct order of metric prefixes from largest to smallest?

Accepted Answer

Kilo-, Centi-, Milli-, Micro-

Question 19

A researcher measures a distance of 1.6 kilometers. How many miles is this? (Recall: $$1 	ext{ mile} = 1.6 	ext{ km})$$

Accepted Answer

$$1$$ mile

Question 20

Which of the following statements about the metric system is TRUE?

Accepted Answer

The metric system uses prefixes to indicate multiples or fractions of base units by powers of ten.

The Metric System and Measurement in Anatomy & Physiology

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