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There is no single, precise definition. Nevertheless, In pharmacology, Dictionary.com defines a drug as "a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well-being. We may safely assume that any chemical substance that, when absorbed into the body of a living organism, alters normal bodily function can be termed as drug.
To understand further, insulin is a hormone when is synthesized in the body. It is called a hormone when it is synthesized by the pancreas inside the body. However, if it is introduced into the body from outside, it is called a drug.
What else can I help you with?
Is chantix aprescription drug or not?
Chantix IS a prescription drug. As such it is a "controlled substance" and must be be prescribed by a physician.
What are the physicochemical properties of drug?
physiochemical properties are the properties which a new drug entity must satisfy to become a drug in the market. The various physiochemical properties include molecular weight, polar surface area, clogP, logD, number of hydrogen bond donors, acceptors, etc.
All substances have characteristic properties. If one of these properties can be observed without changing the identity of the substance it must be a?
Physical :)
What makes marijuana a drug?
Marijuana has an active substance called tetra-hydro-cannabinol (THC) that gives the user the "high" associated with marijuana. Without this substance, marijuana would do nothing to the user. Marijuana is considered a drug because THC induces altered states of consciousness, like alcohol or caffiene, or cocaine. For a substance to be considered a drug it must have a direct effect on one of the systems within your body. Marijuana affects the central nervous system, which is made up primarily of the brain and an intricate network of nerves that run throughout your body. Marijuana is also considered a drug because the FDA and the federal government do not want you using it.
Can the chemical properties of a substance be observed without changing the substance?
physical properties
What is the criteria to be a element?
To be considered an element, a substance must be a pure substance made up of only one type of atom. It cannot be broken down further into simpler substances by chemical means. Elements are organized on the periodic table based on their atomic number and chemical properties.
What must happen for you to be able to observe an objects chemical properties?
only when a change occurs and a new substance is formed
What must happen for you to be able. to observe an objects chemical properties?
only when a change occurs and a new substance is formed
Is hydrogen gas an organic gas?
No, a substance must contain carbon in order to be considered organic.
Is it must be organic substance to be considered a mineral is true?
No, for a substance to be considered a mineral, it must have a crystalline structure, be naturally occurring, be a solid, have a defined chemical composition, and be inorganic. Organically derived substances, such as coal or amber, do not meet all the criteria to be classified as minerals.
Which physicians must register with the Federal Drug Enforcement Administration?
Every physician who administers, prescribes or dispenses any controlled substance
What five special properties make a substance a mineral?
To be classified as a mineral, a substance must have a naturally occurring, inorganic solid structure with a specific chemical composition and crystal structure. Additionally, minerals have characteristic physical properties such as hardness, cleavage, luster, and color.
