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Autonomic Nervous System Anatomy

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Questions and Answers

Where is true cholinesterase primarily found?

Plasma surface

Terminal nerve endings (correct)

Synaptic area

Body fluids

What is the affinity of pseudocholinesterase to Ach?

High

Nonspecific

Specific

Less (correct)

What is the location of muscarinic cholinergic receptors?

On effector cell membranes (correct)

Autonomic ganglia

Motor end plate of skeletal muscle

Adrenal medulla

What is the site of release for noradrenaline?

Postganglionic sympathetic fibers Signup and view all the answers

What is the mechanism of catecholamine inactivation?

All of the above Signup and view all the answers

What percentage of noradrenaline is inactivated by enzymatic destruction?

17% Signup and view all the answers

What is the type of receptor activated by nicotine?

Nicotinic receptor Signup and view all the answers

What is the location of nicotinic cholinergic receptors?

All of the above Signup and view all the answers

What is the percentage of adrenaline released by the adrenal medulla?

80% Signup and view all the answers

What is the function of catechol-O-methyl transferase?

Enzymatic destruction of noradrenaline Signup and view all the answers