Pharma Flashcards
(26 cards)
What is an autocoid?
An autocoid is a biological substance that acts like a local hormone, affecting specific tissues or organs.
True or False: Autocoids are produced in one part of the body and affect distant organs.
False
Name one example of an autocoid.
Histamine
What role does histamine play in the body?
Histamine plays a key role in immune responses, gastric acid secretion, and acts as a neurotransmitter.
Fill in the blank: Autocoids can be classified into __________ categories.
several
Which autocoid is primarily involved in allergic reactions?
Histamine
True or False: Serotonin is considered an autocoid.
True
What is the primary function of serotonin in the body?
Serotonin regulates mood, appetite, and sleep.
Multiple Choice: Which of the following is NOT an autocoid? A) Prostaglandins B) Insulin C) Bradykinin
B) Insulin
What is the function of prostaglandins?
Prostaglandins mediate various physiological processes, including inflammation and pain.
Fill in the blank: Autocoids are typically produced in __________ amounts.
small
What autocoid is involved in the regulation of blood pressure?
Bradykinin
True or False: Autocoids have a long-lasting effect on their target tissues.
False
What is the role of angiotensin in the body?
Angiotensin regulates blood pressure and fluid balance.
Multiple Choice: Which autocoid is known for its role in pain signaling? A) Serotonin B) Histamine C) Prostaglandins
C) Prostaglandins
Fill in the blank: Autocoids can act on __________ cells to exert their effects.
target
What is the significance of autocoids in pharmacology?
Autocoids are important targets for drug development and therapeutic interventions.
True or False: All autocoids are peptides.
False
Which autocoid is released during tissue injury and contributes to inflammation?
Bradykinin
What is the mechanism of action for antihistamines?
Antihistamines block the action of histamine at its receptors.
Multiple Choice: Which of the following autocoids is derived from arachidonic acid? A) Serotonin B) Prostaglandins C) Insulin
B) Prostaglandins
What is the role of nitric oxide as an autocoid?
Nitric oxide acts as a vasodilator and plays a role in neurotransmission.
Fill in the blank: Autocoids are often involved in __________ responses.
local
What autocoid is known for its role in regulating sleep?
Serotonin