CETP Pharmaceutical Calculations 2

Question 1

A 72-year-old male weighs 80 kg and has a serum creatinine of 1.0 mg/dL. Using the Cockcroft-Gault equation [CrCl = (140 − age) × weight ÷ (72 × SCr)], what is his estimated creatinine clearance?

Accepted Answer

75 mL/min

Answer

55 mL/min

Answer

65 mL/min

Answer

85 mL/min

Question 2

How many milliequivalents (mEq) of potassium chloride are contained in 30 mL of a 2 mEq/mL solution?

Accepted Answer

60 mEq

Answer

15 mEq

Answer

30 mEq

Answer

120 mEq

Question 3

Using the alligation method, what volumes of 70% alcohol and 30% alcohol are needed to prepare 500 mL of 50% alcohol?

Accepted Answer

250 mL of 70% and 250 mL of 30%

Answer

200 mL of 70% and 300 mL of 30%

Answer

300 mL of 70% and 200 mL of 30%

Answer

350 mL of 70% and 150 mL of 30%

Question 4

A pediatric patient has a body surface area (BSA) of 0.5 m². The adult dose of a medication is 200 mg. Using the BSA method (Pediatric dose = [Child BSA ÷ 1.73 m²] × Adult dose), what is the appropriate pediatric dose?

Accepted Answer

58 mg

Answer

29 mg

Answer

100 mg

Answer

115 mg

Question 5

An IV infusion is ordered at 30 drops/min using a 20 drops/mL administration set. What is the equivalent infusion rate in mL/hr?

Accepted Answer

90 mL/hr

Answer

45 mL/hr

Answer

60 mL/hr

Answer

120 mL/hr

Question 6

A powder for reconstitution has a powder volume of 1.5 mL. The final volume after reconstitution should be 5 mL. How much diluent must be added?

Accepted Answer

3.5 mL

Answer

2.5 mL

Answer

5.0 mL

Answer

6.5 mL

Question 7

A patient is prescribed atenolol 50 mg once daily for 30 days. What quantity of 50 mg tablets should be dispensed?

Accepted Answer

30 tablets

Answer

15 tablets

Answer

60 tablets

Answer

90 tablets