Medication Administration (ATI)

susp

Suspension - Small particles of drug are dispersed in a liquid base and must be shaken before being poured; gels and magmas are also suspensions

PO

by mouth

kilogram

kg

Rounding rules with dosages less than 1 ML

Round to the nearest hundredth -0.746=0.75 -0.743=0.74

Rounding rules with dosages greater than 1 ML

Round to the nearest tenth -1.86ML=1.9ML -1.82ML=1.8ML

1 mL of fluid is equal to how many grams

1 gram

AC

before meals

IV

intravenous

2.2 lb is equal to how many kg?

1 kg

1 g equals how many mcg?

1,000,000 mcg

apothecary system (oldest system)

1. The grain (weight) gr 2. minim m 3. dram, dr 4. ounce oz 4. ounce (volume) are the basic apothecary units and are designated as follows: grain = gr, minim = m, dram = dr, and ounce = oz. Unlike the metric system, the apothecary system uses Roman numerals and fractions, and the abbreviation or symbol for the unit of measurement precedes the quantity.

household system

1. drop gtt 2. teaspoon tsp 3. tablespoon (volume). tbsp The units are designated with small letters: drops = gtt, teaspoon = tsp, and tablespoon = tbsp.

1 kg equals how many grams?

1000 g

1 L equals how many mL?

1000 mL

1 g equals how many milligrams?

1000 mg

1 tbsp is equal to how many mL?

15 mL

1 cup is equal to how many mL?

240 mL

1 oz is equal to how many mL?

30 mL

1 tsp is equal to how many mL?

5 mL

centimeter

Cm

metric system

Grams: mcg,mg,g,kg Liters: mL,L Meters: mm, cm, m

liter

L

Three systems of measurement

Metric, apothecary and household systems

milligram

Mg

Rounding Rules

-Round up when the number is equal to or greater than 5 -Round down when number is less than 5

1 mcg equals how many g?

0.000001 g

1 ml equals how many L?

0.001 L

1 mg equals how many g?

0.001 g

1 g equals how many kg?

0.001 kg

Some medications such as insulin, heparin, penicillin, and some vitamins are measured in?

Units

P

after

PC

after meals

PRN

as needed

Daily

every day

gram

g

STAT

immediately

ID

intradermal

IM

intramuscular

liq

liquid

mililiter

mL

microgram

mcg

milimeter

mm

NPO

nothing by mouth

SL

sublingual (under the tongue)

top

topically

c

with

s

without