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WorksheetsAutonomic nervous system
Total questions: 10
Worksheet time: 7mins
Which cranial nerve does NOT contain parasympathetic efferent fibers?
CN III
CN V
CN VII
CN IX
CN X
Cell bodies of preganglionic neurons for the sympathetic division of the ANS are located in the (a) gray horns.
Choose all that apply. Which of the following would be an effect of administration of a muscarinic receptor agonist?
increased sweating
relaxation of the external anal sphincter
constipation
pupils constrict
decreased heart rate
Choose all that apply. What would be affected if postganglionic fibers from sympathetic trunk ganglia were damaged?
piloerection
diameter of blood vessels in the skin
intestinal motility
ability to obtain an erection
heart rate
Which of the following would be an effect of an alpha-1 receptor antagonist?
increased salivation
vasodilation
bronchoconstriction
increased heart rate
Which of the following is innervated by the sympathetic nervous system, but not the parasympathetic nervous system?
nasal glands, urinary bladder, and spleen
sweat glands, arrector pili muscle, kidneys, and adrenal medulla
heart, bronchi, and penis
ciliary body, pupillary dilator muscle, and sweat glands
The pterygopalatine ganglion is ______ ganglion containing cell bodies of postganglionic neurons that innervate the ________.
sympathetic; arrector pili muscle
sympathetic; heart
parasympathetic; lacrimal glands
parasympathetic; parotid glands
The neurotransmitter released by preganglionic nerve endings is (a) .
Axons of sympathetic postganglionic neurons are _______.
unmyelinated and shorter than axons of parasympathetic postganglionic neurons.
lightly myelinated and shorter than axons of parasympathetic postganglionic neurons.
lightly myelinated and longer than axons of parasympathetic postganglionic neurons.
unmyelinated and longer than axons of parasympathetic postganglionic neurons.
The (a) division of the ANS is referred to as the craniosacral division.
