Chapter Questions
The autonomic nervous system innervates all of these excepta. cardiac muscle.b. skeletal muscle.c. smooth muscle.d. salivary glands.e. blood vessels.
Muscarinic receptors binda. epinephrine.b. norepinephrine.c. acetylcholine.d. cholinesterase.e. neuropeptides.
All of the following cranial nerves except the carry parasympathetic fibers.a. vagusb. facialc. Oculomotord. glossopharyngeale. hypoglossal
Which of the following cranial nerves carries sympathetic fibers?a. oculomotorb. facialc. trigeminald. vaguse. none of them
Which of these ganglia is not involved in the sympathetic division?a. intramuralb. superior cervicalc. paravertebrald. inferior mesenterice. celiac
Epinephrine is secreted bya. sympathetic preganglionic fibers.b. sympathetic postganglionic fibers.c. parasympathetic preganglionic fibers.d. parasympathetic postganglionic fibers.e. the adrenal medulla.
The most significant autonomic control center within the CNS isa. the cerebral cortex.b. the limbic system.c. the midbrain.d. the hypothalamus.e. the sympathetic chain ganglia.
The gray communicating ramus containsa. visceral sensory fibers.b. parasympathetic motor fibers.c. sympathetic preganglionic fibers.d. sympathetic postganglionic fibers.e. somatic motor fibers.
Throughout the autonomic nervous system, the neurotransmitter released by the preganglionic fiber binds to receptors on the postganglionic neuron.a. nicotinicb. muscarinicc. adrenergicd. alphae. beta
Which of these does not result from sympathetic stimulation?a. dilation of the pupilb. acceleration of the heartc. digestive secretiond. enhanced blood clottinge. piloerection
Certain nerve fibers are called fibers because they secrete norepinephrine.
is a state in which a target organ receives both sympathetic and parasympathetic fibers.
is a state of continual background activity of the sympathetic and parasympathetic divisions.
Most parasympathetic preganglionic fibers are found in the nerve.
The digestive tract has a semi-independent nervous system called the nervous system.
MAO and COMT are enzymes that break down at certain ANS synapses.
The adrenal medulla consists of modified postganglionic neurons of the nervous system.
The sympathetic nervous system has short and long nerve fibers.
Adrenergic receptors classified as $\alpha_{1}, \beta_{1}$, and $\beta_{2}$ act by changing the level of in the target cell.
Sympathetic fibers to blood vessels maintain a state of partial vasoconstriction called