Chapter 15
Nerves that release acetylcholine are considered
Cholinergic
The Parasympathetic division is also called
The Craniosacral division
The Sympathetic division (of the autonomic nervous system) is also called
The Thoracolumbar division
Trunk or chain ganglia are found in the sympathetic division of the ANS only
True
Two motor neurons are found in the parasympathetic division of the ANS and sympathetic division of the ANS
True
Sequence of the components of the autonomic reflex arc. Sensory receptors, sensory neurons, _______________, two motor neurons, and effector
integrating center.
The effectors of somatic reflex arcs are skeletal muscles whereas the effectors of the autonomic nervous system are cardiac muscle, smooth muscle, and glands.
true
The number of motor neurons in a somatic reflex arc is one whereas the autonomic reflex arc has two
true
The autonomic and somatic reflex arcs have the same components except the autonomic reflex has ______ motor neurons and the somatic has ______ motor neuron
2, 1
All preganglionic neurons release what neurotransmitter
Acetylcholine (ACh)
Nerves that release epinephrine & norepinephrine are considered
Adrenergic
Which of the following responses is NOT caused by stimulation of the parasympathetic division of the ANS? -Decreased heart rate -Airway dilation -Decreased pupil diameter -Increased secretion of digestive juices
Airway dialtion
Parasympathetic nerves exit the spine from?
Brain Stem and S2-4
Cranial nerves involved in autonomic function are
C.N. 3,7,9,10
Which of the following is associated with stimulation of the parasympathetic system -Digestion -Exercise -Excitement -Embarrassment
Digestion
Which of the following is associated with stimulation of the sympathetic system -Salivation -Lacrimation -Emergency -Urination
Emergency
Terminal ganglia are found in the sympathetic division of the ANS only
False
The parasympathetic division of the ANS has long postganglionic fibers
False
The sympathetic division of the ANS has short postganglionic fibers.
False
Which the following of the brain serve as the major control center of the ANS? -Cerebrum -Cerebellum -Thalamus -Hypothalamus
Hypothalamus
Where are the autonomic integrating centers located
Hypothalamus and lateral gray horn of spinal cord
Postganglionic cell bodies are found where?
In a ganglion
Receptors that monitor the internal environment of the body are called
Interoceptors
Which of the following are types of cholinergic receptors? -Nicotinic and Muscarinic receptors -Muscarinic and somatic receptors -Adrenergic and somatic receptors -Nicotinic and Adrenergic receptors
Nicotinic and Muscarinic receptors
Short preganglionic fibers are found in the parasympathetic division of the ANS and sympathetic division of the ANS
Only in sympathetic division of the ANS
The craniosacral division is found in the parasympathetic division of the ANS and sympathetic division of the ANS
Only in the parasympathetic division of the ANS
The thoracolumbar division is found in the parasympathetic division of the ANS and sympathetic division of the ANS
Only sympathetic division of the ANS
One of the main differences between a Somatic Nervous System (SNS) and Automonic Nervous System (ANS) is the type of effectors that are activated. The effector is (SNS) are _______, while the effectors in (ANS) are _________.
Skeletal muscles / smooth muscle, cardiac muscle, and glands
Which of the following neurons release norepinephrine -Sympathetic Postganglionic -Parasympathetic Preganglionic -Sympathetic Postganglionic -Parasympathetic Postganglionic
Sympathetic Postganglionic
Sympathetic nerves exit the spine from?
T1-L2
Which is NOT true concerning postganglionic neurons? -They always start in an autonomic ganglion -They are always unmyelinated -They always release the neurotransmitter Acetylcholine (ACH) -Always end at the effector tissue
They always release the neurotransmitter Acetylcholine (ACH)
Which is NOT true concerning the preganglionic neurons? -They always start in the brain or spinal cord -They are always myelinated -They always end at an autonomic ganglion or adrenal gland -They are always shorter than postganglionic neurons
They are always shorter than postganglionic neurons
Long preganglionic fibers are found in the parasympathetic division of the ANS only.
True
Prevertebral ganglia are found in the sympathetic division of the ANS only
True
The autonomic integrating centers can be influenced by higher brain ares.
True
The parasympathetic division of the ANS promotes digestion
True
The rami communicantes are found in the sympathetic division of the ANS only
True
The sympathetic division of the ANS innervates the adrenal medullae.
True
The sympathetic division of the ANS is activated during exercise, fighting or fleeing
True
