NURSING ANM AND GNM

NURSING EXAM QUESTIONS

PHARMACOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the definition of drug?
A
A chemical that has been approved for public distribution
B
Any substance that alters the function in a living organism
C
An illegal chemical that affects body functions and behaviors
D
A medicinal substance used for curing illnesses
Explanation: 

Detailed explanation-1: -A drug is any substance (with the exception of food and water) which, when taken into the body, alters the body’s function either physically or psychologically. Drugs may be legal (for example alcohol, caffeine or tobacco) or illegal (for example cannabis, ecstasy, cocaine or heroin).

Detailed explanation-2: -Psychoactive drugs are substances that, when taken in or administered into one’s system, affect mental processes, e.g. perception, consciousness, cognition or mood and emotions. Psychoactive drugs belong to a broader category of psychoactive substances that include also alcohol and nicotine.

Detailed explanation-3: -Pharmacology is the study of drugs. It involves examining the interactions of chemical substances with living systems, with a view to understanding the properties of drugs and their actions, including the interactions between drug molecules and drug receptors and how these interactions elicit an effect.

Detailed explanation-4: -Medicines are chemicals or compounds used to cure, halt, or prevent disease; ease symptoms; or help in the diagnosis of illnesses. Advances in medicines have enabled doctors to cure many diseases and save lives.

There is 1 question to complete.