Rad Ratios
NEED to KNOW
Method to the Mathness
All in your head
100

(Use whiteboard) 1 tablet (Scored): 12.5mg :: x:6.25mg

What is ½ a tablet

100

A conversion factor is

What is a ratio of units that equals

100

The three methods available to be used for drug calculations

What is Formula Method / Proportion/ Dimensional Analysis

100

Order: 20 mg Supply: 10mg  (TABLETS)

What is 2 tablets

200

(Use Whiteboard) 50mg/1ml = 25mg/ x ml

What is x = 0.5ml

200

How is a liquid oral medication measured?

What is Oral liquids may be measured using a medication cup, calibrated dropper, or oral syringe.

200

(Pick a method; Use Whiteboard) Order: carvedilol (Coreg) 6.25 mg po bid. Have: 12m5 mg Supply: 1 tablet (scored)

What is ½ a tablet

200

Order: 0.1g Supply: 100mg  (TABLETS)

What is 1 tablet
300

(use whiteboard) 0.6mg/2ml = x/8ml

what is X = 2.4ml

300

In dosage calculations, what three pieces of information is needed

What is Order/Have/Supply

300

(Pick a method; Use Whiteboard) 500mg/125mg x5ml

What is 20 mL

300

Order: 0.25mg Supply:  0.5mg/5mL

What is 2.5 mL

400

(Use Whiteboard) 1.5mg/5ml = x/ 32.5ml

What is x = 9.75 mL

400

A unit dose is

What is a drug is a prepacked, single dose

400

(Pick a method; Use Whiteboard) Order: furosemide (lasix) 60 mg po every day. Have: 40mg (per tablet). Supply: tablets (scored)

What is 1 ½ tablets

400

Order: 15mg  Supply 10mg/4ml

What is 6mL

500

(Use Whiteboard) 5ml:200mg : : x:420mg

What is x = 10.5 ml

500

A loading dose

What is an Initial dose (high)

500

(Pick a method; Use Whiteboard) Order: olanzapine (zyprexa) 7.5 mg po every day. Have: 5 mg (per tablet). Supply: tablets (scored)

What is 1 ½ tablets

500

Order: 100mg  Supply: 50mg/10mL

What is 20 mL