NUR 218 Exam 1 - Dosage Calc

Zero rules

Include a leading zero, but never a trailing zero

ac

before meals

pc

after meals

daily

every day

bid

two times a day

tid

three times a day

qid

four times a day

qh

every hour

ad lib

as desired

stat

immediately

q2h

every 2 hours

q4h

every 4 hours

q6h

every 6 hours

prn

as needed

hs

at bedtime

PO

by mouth

IM

intramuscularly

PR

per rectum

SubQ

subcutaneously

SL

sublingual

ID

intradermal

GT

gastrostomy tube

IV

intravenous

IVP

intravenous push

IVPB

intravenous piggyback

NG

neogastric tube

tab, tabs

tablet

cap, caps

capsule

gtt

drop

EC

enteric coated

CR

controlled release

susp

suspension

el, elix

elixir

sup, supp

suppository

SR

sustained release

tsp

teaspoon

pt

pint

gal

gallon

oz

ounce

T, tbs, tbsp

tablespoon

qt

quart

g

gram

mg

milligram

mc

microgram

kg

kilogram

L

liter

mL

milliliter

mEq

milliequivalent

Metric conversions

kilo-

hecto-

deca-

base unit

deci-

centi-

milli-

1 kg to lbs

1 kg = 2.2 lbs

1 glass =

8 oz, 240 mL

1 cup

8 oz, 240 mL

1 teacup

6 oz, 180 mL

1 styrofoam cup

6 oz, 180 mL

1 popsicle

3 oz, 90 mL

1 oz to mL

1 oz = 30 mL

1 tbsp to mL

1 tbsp = 15 mL

1 tsp to mL

1 tsp = 5 mL

Intake and output are calculated in

mL