NHA CCMA MEASUREMENTS

15 grains = ? grams

1 gram

1 minim = ? gtt

1 gtt

1 dram = ? minims

60 minims

15 gtt = ? minims and ? mL

15 minims, 1 mL

1 tsp = ? drams and ? mL

1 dram, 5 mL

1 tbsp = ? drams and ? mL

4 drams, 15 mL

1 fluid oz (2 tbsp) = ? drams and ? mL

8 drams, 30 mL

1 cup = ? oz and ? mL

8 oz, 240 mL

1 pint = ? mL

480 mL

1 quart = ? mL

960 mL

I gallon = ? mL

3785 mL

1 kg = ? lbs

2.2 lbs

If a patient weighs 66 lbs, how many kg is this?

30 kg

The dosage of a medication is 15 mL but the pt wants to measure it in tsp. How many tsp do they need?

3 tsp

A provider prescribes diphenhydramine 50 mg for a pt who is having a mild allergic rxn. Available are 25 mg capsules. How many capsules do you give?

2 capsules

A provider prescribes diphenhydramine 5 mg/kg per day divided in 4 doses/day for a child who weighs 88 lbs. Available is diphenhydramine oral liquid 12.5 mg in 5 mL. How much should the child receive per dose?

20 mL

1. Convert weight to kg (40 kg)

2. Determine daily dose (5 mg x 40 kg = 200 mg/day)

3. Divide daily dose into desired doses (200 mg/4 doses = 50 mg/dose)

4. Determine dose in mL (if 12.5 mg = 5 mL then 50 mg = 20 mL)

1 in = ? cm

2.54 cm