Over-the-counter (otc) medicines are those that can be purchased without a doctor's authorization.
a. true
b. false

The statement is TRUE. Over the counter drugs do not need the doctor’s prescriptions as they are effective and safe when the dosage on the label is strictly followed. However, there are some drugs that can cause allergies to other people so it is best to ask for doctor’s advice when dealing with unknown or unfamiliar medicines even if they are not prescription drugs. It is important and mandatory to also read the instructions that come with the medicines as they have allergen information. 

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.