Q: Which of the following conversions is correct for length?

$$1 \ \text{meter} = 1.094 \ \text{yard}$$

Q: Which of the following is the correct relationship between liters and milliliters?

$$1 \ \text{L} = 1000 \ \text{mL}$$

Q: A physician orders 1 liter of saline solution. How many quarts is this approximately?

$$1 \ \text{L} = 1.057 \ \text{qt}$$

Q: Which of the following is the correct conversion for mass?

$$1 \ \text{kg} = 2.205 \ \text{lb}$$

Q: A nurse needs to convert a patient’s height from inches to centimeters. Which equation should be used?

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

Q: A nurse needs to convert 453.6 grams to pounds. Which equation should be used?

$$453.6 \ \text{g} = 1 \ \text{lb}$$

Question 1

A nurse needs to administer 1.5 grams of a medication. Which of the following best describes the type of measurement and its SI unit?

Accepted Answer

Mass; gram (g)

Question 2

Which of the following conversions is correct for length?

Accepted Answer

$$1 \ 	ext{meter} = 1.094 \ 	ext{yard}$$

Question 3

A patient’s temperature is measured as 38.5 $$^{\circ}C. $$Which SI unit is used for temperature in scientific measurements?

Accepted Answer

Kelvin (K)

Question 4

A laboratory balance shows a reading of 5.01 g for a sample. What is the SI base unit for this measurement?

Accepted Answer

Kilogram (kg)

Question 5

Which of the following is the correct relationship between liters and milliliters?

Accepted Answer

$$1 \ 	ext{L} = 1000 \ 	ext{mL}$$

Question 6

A nurse records a patient’s weight as 58.0 kg. Which of the following statements is true about mass and weight?

Accepted Answer

Mass does not depend on gravity, but weight does.

Question 7

A physician orders 1 liter of saline solution. How many quarts is this approximately?

Accepted Answer

$$1 \ 	ext{L} = 1.057 \ 	ext{qt}$$

Question 8

Which of the following is the correct conversion for mass?

Accepted Answer

$$1 \ 	ext{kg} = 2.205 \ 	ext{lb}$$

Question 9

A nurse needs to convert a patient’s height from inches to centimeters. Which equation should be used?

Accepted Answer

$$1 \ 	ext{in} = 2.54 \ 	ext{cm}$$

Question 10

A stopwatch is used to measure the time for a chemical reaction. What is the SI unit for time?

Accepted Answer

Second (s)

Question 11

A nurse must administer a medication every 4 hours. How many times will the medication be given in a 24-hour period?

Accepted Answer

6 times

Question 12

Which of the following is NOT a base SI unit?

Accepted Answer

Liter (L)

Question 13

A patient walks 2.1 km during a therapy session. How many meters did the patient walk?

Accepted Answer

2,100 meters

Question 14

A thermometer reads 22 $$^{\circ}C. $$What is this temperature in Kelvin?

Accepted Answer

$$295 \ 	ext{K}$$

Question 15

Which of the following best describes the difference between mass and weight?

Accepted Answer

Weight is a measure of the gravitational pull on an object, while mass is the amount of matter present.

Question 16

A nurse needs to convert 453.6 grams to pounds. Which equation should be used?

Accepted Answer

$$453.6 \ 	ext{g} = 1 \ 	ext{lb}$$

Question 17

A solution is measured as 946.4 mL. How many quarts is this?

Accepted Answer

$$1 \ 	ext{qt}$$

Question 18

Which of the following is a correct statement about the metric system and SI units?

Accepted Answer

The SI unit for length is the meter (m).

Question 19

A nurse needs to prepare 100 mL of a solution. How many liters is this?

Accepted Answer

$$0.1 \ 	ext{L}$$

Question 20

A patient’s mass is measured as 70 kg. What is this mass in grams?

Accepted Answer

70,000 grams

Chemistry and Measurements: Units and Their Applications

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