MEASUREMENTS, PACKAGING, AND HOSPITAL DELIVERY Flashcards
Name the two types of measuring devices used for measuring weight.
The balance and the scale.
The measurement of solids in the pharmacy commonly involve the use of a _______ _______.
Torsion balance
What is the weight range measured by a torsion balance?
6 mg - 120 mg
In order to use the torsion balance, you must use a set of __________ ________ _______.
calibrated pharmacy weights
What is used to handle the weight when using a balance so that no contamination occurs?
Tweezers
Describe, in order, the proper usage of a balance.
Zero out (level) the balance.
Place sample in the center of the left pan.
Place weights in the center of the right pan.
True or False
The Baker 2000 scale is electronic and needs counterweights to function.
False.
It’s electronic, but does NOT need counterweights to function.
Scales are used to measure ______ amounts of solid materials.
larger
Methods of measuring products at home include:
Medicine droppers and spoons, and oral syringes.
Name 3 units of measuring solids.
Gram, Pound, Milligram, Kilogram, Ounce.
Name 3 units of measuring liquids.
Liter, Milliliter, Pint, Gallon, Quart.
Which of the following is used to measure a small volume of liquid?
a) Graduated Cylinder
b) Syringe
b) Syringe
Which of the following is used to measure a medium-large volume of liquid?
a) Graduated Cylinder
b) Syringe
a) Graduated Cylinder
If a sample measures ____ ____ __% of a graduated cylinder total volume, you should choose a _______ one to use.
less than 20%
smaller
Describe the difference between reading the values of plastic and glass graduated cylinders.
With plastic, the value is read at the top edge of the liquid.
With glass, the value is read at the bottom edge of the liquid.
What is the name of the optical illusion that occurs when reading a volume of liquid through a graduated cylinder made of glass?
The meniscus.
Where do you read the volume contained within a syringe?
The black ring closest to the tip touching the barrel.
Name the three factors responsible for the breakdown of chemical reactions in medicine, and give one example to minimize these factors.
Heat - Store at correct temperature.
Moisture - Store with tightly sealed cap.
Light - Store in brown bottle that blocks light.
Define Unit of Use.
Dispensable packaging containing a single pill, injection, or other dosage form.