Chapter 3 - Practical Calculations Flashcards
1
Q
How many mg in 1 grain?
A
1 grain = 65mg
2
Q
How many ml in 1 Oz?
A
1 Oz = 30ml
3
Q
What is a minim?
A
1 minim = 1 drop
4
Q
How many ml = 1 dram?
A
1 dram = 4mL
5
Q
How many liters in 1 quart?
A
1 liter = 1 quart?
6
Q
In the standard sized dropper, how many drops/min in 1 ml?
A
1 ml = 15 drops/min
7
Q
What are the substances that form solutions called?
A
Miscible
8
Q
Parts per million = ?
A
Ppm = 1mg of solute in 1kg (or L) of solvent
9
Q
What is a millequivalent?
A
1/1000 of an equivalent
10
Q
mEq/L = ?
A
mEq/L = (mg/L)/eq. Wt
11
Q
What formula determines how many mg of a drug to add to a bag of fluids?
A
M = (dwv) / (r*16.67)
M - mg of drugs to add D - dose of drug in mcg per kg per min W - patient body weight in kg V - volume in mL of delivery fluid R - rate in mL per hour 16.67 = conversion factor.
12
Q
What formula adjusts amount of drug in a fluid bag in accordance to response of an animal?
A
R = (dwv) / m*16.67
