ANTAGONIST RECEPTOR Flashcards
What is an antagonist receptor type?
A receptor that inhibits or blocks the action of a neurotransmitter or hormone.
True or False: Antagonists can enhance the effect of a neurotransmitter.
False
Fill in the blank: Antagonists bind to receptors but do not ________ them.
activate
Which of the following is an example of an antagonist receptor type? A) Agonist B) Beta-blocker C) Enzyme
B) Beta-blocker
What is the primary function of antagonist receptor types?
To prevent the action of agonists and inhibit receptor activation.
True or False: Antagonists can be used therapeutically in various medical conditions.
True
What is the difference between a competitive antagonist and a non-competitive antagonist?
A competitive antagonist competes with agonists for the same binding site, while a non-competitive antagonist binds to a different site and reduces receptor activity regardless of agonist presence.
Fill in the blank: Antagonists are often used in the treatment of ________ disorders.
psychological
What role do antagonist receptor types play in pharmacology?
They are used to block specific receptor actions to manage various health conditions.
Multiple Choice: Antagonists can be classified into which categories? A) Selective and Non-selective B) Strong and Weak C) Fast and Slow
A) Selective and Non-selective
What is an inverse agonist?
A compound that binds to the same receptor as an agonist but induces the opposite pharmacological effect.
True or False: All antagonists have the same mechanism of action.
False
What type of antagonist binds to the receptor site irreversibly?
Non-competitive antagonist
Fill in the blank: Antagonists can be used to block the effects of ________ in overdose situations.
opioids
Short Answer: Name one therapeutic application of antagonist receptor types.
Treatment of hypertension using beta-blockers.
