A&P Chapter 15 Review Questions:The Autonomic Nervous System

A postganglionic neuron in the ANS A) releases neurotransmitter that binds to the effector cell B) is the first part of an autonomic motor pathway C) has its cell body in the brain or spinal cord D) has its axons exiting the CNS through cranial nerves E) carries information into the sympathetic chain ganglia

A) releases neurotransmitter that binds to the effector cell

One of the main differences between a somatic reflex and autonomic reflex is the type of effectors that are activated. The effectors in somatic reflexes are _______, while the effectors in autonomic reflexes are _______. A) skeletal muscles; smooth muscle, cardiac muscles, and glands B) striated muscles; smooth muscle and gland C) skeletal muscles and glands; smooth muscle and cardiac muscle D) glands; skeletal muscles, smooth muscle, and cardiac muscle E) skeletal muscles; smooth muscle only

A) skeletal muscles; smooth muscle, cardiac muscles, and glands

The division of the autonomic nervous system that prepares the body for activity and stress is the ________ division. A) sympathetic B) parapsympathetic C) craniosacral D) intramural E) sonatomotor

A) sympathetic

Which of the following responses is NOT caused by activation of the sympathetic division? A) increaed heart rate B) airway constriction C) decreased blood flow t kidneys and gastrointestinal tract D) increased blood flow to skeletal muscle, cardiac muscle, liver and fat E) increased blood glucose level

B) airway constriction

which of the following is NOT a sympathetic prevertebral ganglion? A) celiac ganglion B) cilliary ganglion C) superior mesentric ganglion D) inferior mesentric ganglion E) all are prevertegra; ganglia

B) cilliary ganglion

under which of the following circumstances would the diameter of peripheral blood vessels be greatest? A) increaed sympathetic stimulation B) decreased sympathetic stimulation C) increaed parasympathetic stimulation D) decreased parasympathetic stimulation E) both increased sympathetic and parasympathetic stimulation

B) decreased sympathetic stimulation

Effects produced by the parasypthetic branch of the autonomic nervous system include ______. A) dilation of pupils B) increased secretion by digestive glands C)dilation or respiratory passages D) increased heart rate E) increased breakdown of glycogen by liver

B) increased secretion by the digestive glands

Thoracolumar is another name for which division of ANS? A) parasympathetic B) sympathetic C) somatic nervous system D) autonomic ganglia E) craniosacral division

B) sympathetic

All preganglionic autonomic fibers relase _______ at their synaptic terminals, and the effects are always ____. A) norepinephrine; inhibitory B) norepinephrine; excitatory C) acetylcholine; excitatory D) acetylcholine; inhibitory E) none of the above

C) acetylcholine; excitatory

which of the following types of adrenergic receptors are only found in brown adipose tissue where their activation stimulates heat production? A) b1- adrenergic B) b2- adrenergic C) b3- adrenergic

C) b3- adrenergic

** The neurotransmitter at all synapses of neuromuscular of the neuograndular junctions in the parasympathetic division of the ANS is A) epinephrine B) norepinephrine C) cyclic-AMP D) acetylcholine E) dopamine

D) acetylcholine

which endocrine gland is directly innervated by sympathetic preganglionic axons? A) pituitary gland B) hypothalamus C) pancreas D) adrenal gland E) thyroid gland

D) adrenal gland

which of the following does NOT contribute to the longer lasting and more widespread effects observed with sympathetic activation versus parasympathetic activation? A) norepinephrine is more slowly removed form synapses then ACh B) additional norepinephrine is released from the adrenal gland C) greater divergence occurs in sympathetic neural pathways D) blood flow to the hypothalamus is decreased when sympathetic activation occurs

D) blood flow to the hypothalamus is decreased when sympathetic activation occurs

** The largest autonomic plexus is called the A) superior mensenteric plexus B) renal plexus C) cardiac plexus D) celiac plexus E) hypogastric plexus

D) celiac plexus

a possible side effect of a drug used to open the airways of someone suffering from asthma attack is _____. A) decreased activity of the digestive system B) diarrhea C) profuse urination D) increased blood pressure E) decreased heart rate

D) increased blood pressure

which of the following are types of cholinegic receptors? A) nicotinic and adrenergic receptors B) muscarinic and somatic receptors C) adrenergic and somatic receptors D) nicotinic and muscarinic receptors E) somatostatic and nicotinic receptors

D) nicotinic and muscarinic receptors

** The two main neurotransmitter of the automic nervous system are A) nicotine and adrenaline B) muscadine and acetylcholine C) norepinephrine and muscarrine D) norepinephrine and acetylcholine E) somatostain and nicotine

D) norepinephrine and acetylcholine

Which ganglia contain the cell bodies of the parasympathetic postganglionic neurons that serve the parotid salivary glands? A) cilliary ganglia B) pterygopalatine ganglia C) submandibular ganglia D) otic ganglia E) none of these choices

D) otic ganglia

Which of the following types of neurons would normally have the shortest axon? A) somatic motor neurons B) preanglionic parasympathetic newtons C) postganglionic sympathetic neurons D) preganglionic sympathetic neurons E) somatosensory neurons

D) preganlionic sympathetic neurons

which of the following statements describes a common response of an autonomic effector during the "fight-or-flight" response A) gastric motility and secretory activity increases B) blood vessels serving skeletal muscles constrict C) adipose tissues stores away triglycerides for later use D) the pupil of the eyes dialate E) blood vessels serving the kidneys and digestive organs dilate

D) the pupil of th eyes dialate

The autonomic division of the nervous system directs __________ . A) voluantary motor activity B) conscious control of skeletal muscles C) unconscious control of skeletal muscles D) unconscious regulation of visceral functions E) sensory input from the skin

D) unconscious regualtuon of viseral functions

Which of the following is NOT a parasympathetic terminal ganglion A) cilliary ganglion B) pterygopalatine ganglion C) submandibular ganglion D) otic ganglion E) all are parasympathetic terminal ganglia

E) all are parasympathetic terminal ganglia

Which of the following descriptions of a preganglionic neuron is NOT correct? A) has axons that exit the CNS in a cranial or spinal nerve B) has myelinated axons C) forms the first parts of an autonomic motor pathway D) has its cell body in the brain of spinal cord E) forms gap junctions with postganglionic neurons in autonomic ganglia

E) forms gap junctions with postganglionic neurons in autonomic ganglia

autonomic tone is regulated by the A) medulla oblongata B) cerebellum C) cerebrum D) vernis E) hypothalamus

E) hypothalamus