Select the step you should perform before weighing a substance on a prescription
a. Ensure the balance is rated "Class B".
b. Ensure the balance is level.
Ensure that your brass weights have been polished.
d. Ensure that the beam is unlocked.
Select what act you should do when adding or removing any substance to/from the
a. Ensure the substance is noncaustic.
b. Cover the balance with a plastic sheet for protection of the pans.
Remove the powder papers from the pans.
d. Lock the securing device to prevent damage to the beam.
Select the type of equipment that is widely accepted as being the most accurate
device to measure liquids.
a. The conical graduate.
b. The graduated cylinder.
The Thompson-Miller beaker.
d. A flask.
Select the type of liquid measuring device that is the most widely used in
a. The graduated cylinder.
b. The beaker.
d. The conical graduate.