Medical Mathematics Quiz

Test your knowledge with clinical pharmacology math questions including BMI, medication dosing, fluid rates, and more.

Practice Learn Test

What is the formula for calculating BMI (Body Mass Index)?

Weight (kg) / Height (cm)

Weight (kg) / (Height (m))^2

Weight (lb) / Height (in)

Weight (kg) * Height (m)

If a patient is prescribed 2 tablets of medication every 6 hours, how many tablets will they take in 24 hours?

6 tablets

8 tablets

12 tablets

16 tablets

If a patient's respiratory rate is 18 breaths per minute, what is the duration of each respiratory cycle in seconds?

2.0 seconds

3.0 seconds

3.5 seconds

4.0 seconds

If a patient's temperature is 38.5°C, what is their temperature in Fahrenheit?

99.5°F

101.3°F

100.4°F

103.1°F

A patient's heart rate is 80 beats per minute. What is the duration of each cardiac cycle in seconds?

0.75 seconds

0.80 seconds

0.90 seconds

1.20 seconds

What is the percentage concentration of a solution containing 30g of solute dissolved in 300ml of solvent?

10%

30%

90%

100%

If a patient's blood pressure reading is 120/80 mmHg, what is their mean arterial pressure (MAP)?

90 mmHg

100 mmHg

110 mmHg

120 mmHg

What is the half-life of a drug if its elimination rate constant (K) is 0.05 per hour?

20 hours

15 hours

10 hours

5 hours

If a solution has an osmolality of 300 mOsm/kg, what is its osmolarity in mOsm/L?

100 mOsm/L

300 mOsm/L

600 mOsm/L

900 mOsm/L

#10

What is the formula for calculating the absolute neutrophil count (ANC)?

WBC count * percentage of neutrophils

WBC count / percentage of neutrophils

WBC count + percentage of neutrophils

WBC count - percentage of neutrophils

#11

A medication is prescribed at a dose of 0.1 mg/kg/day. If a patient weighs 70 kg, what is their daily dose in milligrams?

7 mg/day

70 mg/day

700 mg/day

7,000 mg/day

#12

A patient receives 500 mL of IV fluid over 4 hours. What is the flow rate in mL/hour?

100 mL/hour

125 mL/hour

150 mL/hour

200 mL/hour

#13

What is the formula for calculating creatinine clearance (CrCl) using the Cockcroft-Gault equation?

(140 - Age) * Weight (kg) / (72 * Serum creatinine)

(140 - Age) * Weight (lb) / (72 * Serum creatinine)

(140 - Age) * Weight (kg) / (Serum creatinine)

(140 - Age) * Weight (lb) / (Serum creatinine)

#14

What is the formula for calculating the corrected QT interval (QTc) using Bazett's formula?

QT interval / √RR interval

QT interval * √RR interval

QT interval / RR interval

QT interval * RR interval

#15

A patient's ideal body weight (IBW) is calculated to be 60 kg using the Devine formula. If the patient weighs 75 kg, what is their percentage of IBW?

80%

90%

100%

120%

#16

What is the formula for calculating the corrected calcium level?

Serum calcium + (0.8 * [4 - Serum albumin])

Serum calcium - (0.8 * [4 - Serum albumin])

Serum calcium + (1.0 * [4 - Serum albumin])

Serum calcium - (1.0 * [4 - Serum albumin])

#17

What is the formula for calculating the corrected phenytoin level in the presence of hypoalbuminemia?

Measured phenytoin level / (0.2 * Serum albumin + 0.1)

Measured phenytoin level / (0.1 * Serum albumin + 0.2)

Measured phenytoin level * (0.2 * Serum albumin + 0.1)

Measured phenytoin level * (0.1 * Serum albumin + 0.2)