16 Questions
What is the definition of a drug?
A chemical substance used in disease treatment
Which type of drug binds to a receptor to produce a response?
Agonist
What is the role of an antagonist drug?
Occupies the receptor without activating it
Which source does aspirin belong to?
Synthetic source
What is the function of a partial agonist?
Binds to a receptor but does not fully activate it
Which route of administration is suitable for children and unconscious patients?
Rectal administration
What is a disadvantage of rectal administration mentioned in the text?
Irritation of the rectal mucosa
Which type of reaction is reported to be more frequent with intravenous injections in the text?
Anaphylactoid reaction
What is a notable advantage of parenteral administration mentioned in the text?
Rapid complete drug bioavailability
What is a common disadvantage of rectal absorption according to the text?
Rectal absorption is irregular
Which route of drug administration involves placing drugs under the tongue?
Sublingual administration
What dosage form is suitable for drugs that need to be inhaled?
Eye, ear and nasal drops
What is a disadvantage of oral drug administration?
Drugs can be destroyed by digestive enzymes
Which type of drug is NOT suitable for sublingual administration?
Drugs that cause vomiting and diarrhea
What is a requirement for drugs used in topical administration?
Should not cause irritation
Which dosage form is typically used for drugs that need to bypass the first pass metabolism?
Parenteral injections
Explore the fundamental concepts in pharmacology, including the definition of drugs, receptors, agonists, and antagonists. Understand how drugs interact with receptors to produce biological responses for the treatment and prevention of diseases.
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