Receptors in Nervous System Quiz

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22 Questions

Which neurotransmitter plays a crucial role in the fight or flight response?

Epinephrine

Which receptor type does epinephrine primarily act on?

Beta 1 receptors

What is the main function of norepinephrine when used as a medication?

Increase and maintain blood pressure

Which receptor type is predominantly stimulated by norepinephrine?

Alpha receptors

Which receptor family includes cholinergic nicotinic receptors?

Ligand-gated ion channels

What type of receptors transduce extracellular signals into intracellular responses?

G-protein-coupled receptors

What is the main effect of Beta-2 receptor activation in the body?

Increased glucose metabolism

Which of the following is not a function of Beta-1 receptors?

Relaxation of bronchial smooth muscle

Where are Beta-3 receptors primarily found in the body?

Gallbladder and urinary bladder detrusor muscle

Which receptor type is responsible for bladder detrusor muscle relaxation?

Beta-3 receptor

What is the effect of stimulating Beta-2 receptors in the lungs?

Bronchial dilation

Which enzyme converts Angiotensin I to Angiotensin II?

Angiotensinase

Which type of receptors are activated by acetylcholine as a neurotransmitter?

Muscarinic receptors

What is the primary use of indirect-acting cholinergic agents like Donepezil?

Memory loss and confusion in Alzheimer's disease

Which drug is a competitive muscarinic receptor antagonist indicated for the treatment of COPD and asthma?

Tiotropium

Which drug is a direct-acting cholinergic agonist that helps to cause urination and emptying of the bladder?

Bethanechol

Which is a common side effect of antimuscarinic drugs like oxybutynin (Ditropan)?

Muscle cramps

Where are nicotinic receptors located in the body?

Central Nervous System (CNS)

'Donepezil' is primarily used for the treatment of which condition?

Memory loss and confusion in Alzheimer's disease

'Tiotropium' is most commonly used for which medical condition?

COPD and asthma

'Scopolamine' patch is primarily used to help with which symptom?

Nausea and vomiting

Which type of drugs act by stimulating or blocking receptors in the Autonomic Nervous System (ANS)?

Cholinergic agonists

Test your knowledge on different types of receptors in the nervous system, including Adrenergic receptors, Cholinergic receptors, and Autonomic receptors. Explore how neurotransmitters like adrenaline, noradrenaline, and acetylcholine act on different receptor types.

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