PT - 2/17 - Lesson 21 Review

What is the largest unit of measure within the metric system?

• Deka

• Centi

• Kilo

• Nano

Answer explanation

Kilo is considered to be the largest unit of measurement within the metric system and Nano is the smallest

Sally purchased a pound of coffee. If a pound weighs 454g, how many pots of coffee can be prepared if each pot requires 22,700mg of coffee?

• 20 pots

• 15 pots

• 25 pots

• 10 pots

Answer explanation

First you must convert all measurements to the same unit (g to mg). 454g to mg is 454 x 1000 = 454,000mg. 454,000/22,700 = 20 pots

How many teaspoons of Lidocaine Solution would be needed to complete an order for 1 cup?

• 25

• 29

• 60

• 48

Answer explanation

1 cup is equal to 240ml, and 1 teaspoon is equal to 5ml. 240/5 = 48

Convert 25kg to g.

• 0.025g

• 250g

• 25,000g

• 2500g

Answer explanation

kg is larger than g so we are going to multiply. 25 x 1000 = 25,000g

Convert 3,120mcg to milligrams (mg)

• 0.312mg

• 3,120,000mg

• 3,120mg

• 3.12mg

Answer explanation

Converting from a smaller unit to a larger unit we divide. 3120/1000 = 3.12mg

If a patient comes into the pharmacy with a prescription for 240ml of Tussionex, what size bottle would be dispensed?

• 4 oz

• 2 oz

• 8 oz

• 6 oz

Answer explanation

There are 30ml in 1 ounce. 240ml/30ml = 8oz

What time is 8PM converted to Military Time?

• 0800

• 1600

• 1800

• 2000

Answer explanation

A zero will be placed at the beginning if the time is considered to be AM. 1200 is noon and 1PM is 1300, add 12 to all numbers PM starting with 1PM

How many mcg are in 1 mg?

• 1000 mcg

• 500 mcg

• 1500 mcg

• 800 mcg

Answer explanation

There are 1000 mcg in 1 mg. Some patients may drop off scripts for mcg tablets and the only available strength on hand is mg or vice versa. This is a typical conversion used in retail pharmacy.