Question 1

Which of the following is the correct SI unit for measuring the mass of a patient in a hospital setting?

Accepted Answer

kilogram (kg)

Question 2

A nurse needs to convert a patient’s body temperature from Celsius to Fahrenheit. If the patient’s temperature is $$38.0\ ^\circ\mathrm{C}$$, what is the temperature in Fahrenheit?

Accepted Answer

$$100.4\ ^\circ\mathrm{F}$$

Question 3

Which of the following numbers contains three significant figures?

Accepted Answer

0.00450

Question 4

A sample of gold has a mass of $$96.5\ \mathrm{g}$$ and a volume of $$5.00\ \mathrm{cm}^3. $$What is the density of gold in $$\mathrm{g/cm}^3$$?

Accepted Answer

$$19.3\ \mathrm{g/cm}^3$$

Question 5

Which of the following is an exact number?

Accepted Answer

1 foot = 12 inches

Question 6

A medication order requires 0.250 grams of a drug. The tablets available are 50.0 mg each. How many tablets should be administered?

Accepted Answer

10 tablets

Question 7

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

Accepted Answer

milli-

Question 8

A graduated cylinder contains 25.0 mL of water. After a metal object is submerged, the water level rises to 33.0 mL. If the mass of the object is 48.0 g, what is its density in $$\mathrm{g/mL}$$?

Accepted Answer

$$6.00\ \mathrm{g/mL}$$

Question 9

Which of the following is the correct equality and conversion factors for liters and milliliters?

Accepted Answer

1 L = 1000 mL; $$\frac{1\ \mathrm{L}}{1000\ \mathrm{mL}}$$ and $$\frac{1000\ \mathrm{mL}}{1\ \mathrm{L}}$$

Question 10

A patient’s blood sample has a mass of $$15.0\ \mathrm{g}$$ and a volume of $$14.2\ \mathrm{mL}. $$What is the density of the blood sample in $$\mathrm{g/mL}$$, rounded to the correct number of significant figures?

Accepted Answer

$$1.06\ \mathrm{g/mL}$$

Question 11

Which of the following statements about significant figures is correct?

Accepted Answer

Zeros at the end of a decimal number are significant.

Question 12

A doctor prescribes 0.150 mg of Synthroid. If the pharmacy only has 50.0 mcg tablets, how many tablets are needed to provide the prescribed dose?

Accepted Answer

3 tablets

Question 13

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

Accepted Answer

$$K = ^\circ\!C + 273$$

Question 14

How many minutes are in 1.6 days?

Accepted Answer

2304 minutes

Question 15

A nurse needs to prepare 250 mL of a solution. What is this volume in liters?

Accepted Answer

0.250 L

Question 16

Which of the following is a measured number?

Accepted Answer

The mass of a lemon is 0.145 kg

Question 17

A cube has sides of length 2.0 cm. What is its volume in cubic centimeters ($$\mathrm{cm}^3$$)?

Accepted Answer

$$8.0\ \mathrm{cm}^3$$

Question 18

Which of the following is the correct equality and conversion factors for inches and centimeters?

Accepted Answer

1 inch = 2.54 cm; $$\frac{1\ \mathrm{in}}{2.54\ \mathrm{cm}}$$ and $$\frac{2.54\ \mathrm{cm}}{1\ \mathrm{in}}$$

Question 19

A nurse measures a patient’s height as 1.75 meters. How many centimeters is this?

Accepted Answer

175 cm

Chemistry and Measurements: Structured Study Notes for GOB Chemistry

Study Guide - Practice Questions

Study Guide - Flashcards