Final answer:
Gases that are in the form of drugs are meant to be inhaled and can act directly on the lungs. They can work systemically in the body and are mostly dispensed under pressure. These drugs are administered through devices that must be fit properly. Except option E, all the characteristics describes drugs that are in the form of gas.
Step-by-step explanation:
Gases that are in the form of drugs have certain characteristics:
- They are meant to be inhaled. Gases as drugs are designed to be inhaled into the lungs.
- They can act directly on the lungs. When inhaled, gases can directly affect the lungs and their functions.
- They can work systemically. Gases that are inhaled can also have systemic effects throughout the body.
- They are mostly dispensed under pressure. Many gas drugs are distributed in containers under pressure.
- They are administered through devices that must be fit properly. To inhale gases as drugs, devices such as inhalers must be fitted properly.