W hich of the following is NOT true of the parasympathetic system?
A) It has short preganglionic fibers and long post ganglionic fibers
B) It uses acetylcholine at both preganglionic and postganglionic synapses
C) The motor neurons originate in the cranial and sacral part of the central nervous system
D) The preganglionic receptors are nicotinic acetylcholine receptors
E) The postganglionic receptors are generally muscarinic acetylcholine receptors
Correct Answer:
Verified
Q6: Muscarinic receptors are blocked by
A) Acetylcholine
B) Norepinephrine
C)
Q7: Beta adrenergic receptors
A) Increase IP3 in the
Q8: Constriction of the right pupil caused by
Q9: Dilation of the pupil is mediated by
A)
Q10: Stretch of the urinary bladder
A) Relaxes the
Q12: Contraction of the detrusor muscle is
A) Promoted
Q13: Atropine blocks
A) Pre-ganglionic parasympathetic neurotransmission
B) Pre-ganglionic sympathetic
Q14: The neurotransm itter used by m ost
Q15: Which of the following is NOT a
Q16: The part of the nervous system that
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