Anatomy Ch. 15 connect
Select all that apply Which are only innervated by sympathetic nerve fibers? -Cardiac muscle -Sweat glands -Piloerector muscles -Liver -Adrenal medulla
-Adrenal medulla -Sweat glands -Piloerector muscles
Select all that apply Indicate the statements that accurately describe muscarinic receptors. -All cardiac muscle, smooth muscle and gland cells have muscarinic receptors. -Muscarinic receptors occur at all synapses in the autonomic ganglia. -ACh binding to muscarinic receptors has an excitatory effect on some cells. -Muscarinic receptors occur at the neuromuscular junctions of skeletal muscle fibers. -ACh binding to muscarinic receptors has an inhibitory effect on some cells.
-All cardiac muscle, smooth muscle and gland cells have muscarinic receptors. -ACh binding to muscarinic receptors has an excitatory effect on some cells. -ACh binding to muscarinic receptors has an inhibitory effect on some cells.
Select all that apply What are two receptors that bind norepinephrine? -Muscarinic -Beta-adrenergic -Nicotinic -Alpha-adrenergic
-Beta-adrenergic -Alpha-adrenergic
Select all that apply Which are autonomic reflexes regulated by the spinal cord? -Ejaculation -Micturition -Vomiting -Defecation -Erection
-Ejaculation -Micturition -Defecation -Erection
Select all that apply Parasympathetic fibers leave the brainstem through which cranial nerves? Select all that apply. -IX -IV -III -VI -X -VII
-III -IX -X -VII
Select all that apply Which are effects of the parasympathetic division on the digestive system? -Increased gastric motility -Increased pancreatic enzyme secretion -Increased gastrointestinal secretion -Increased glycogen breakdown by the liver
-Increased gastric motility -Increased pancreatic enzyme secretion -Increased gastrointestinal secretion
Select all that apply Which are effects of the parasympathetic division on the digestive system? -Increased glycogen breakdown by the liver -Increased pancreatic enzyme secretion -Increased gastric motility -Increased gastrointestinal secretion
-Increased pancreatic enzyme secretion -Increased gastric motility -Increased gastrointestinal secretion
Select all that apply Which describes a beta-adrenergic receptor? Select all that apply. -It uses a calcium second messenger system. -It uses a cAMP second messenger system. -It is usually inhibitory. -It inhibits smooth muscle of the bronchioles, enhancing airflow.
-It uses a cAMP second messenger system. -It is usually inhibitory. -It inhibits smooth muscle of the bronchioles, enhancing airflow.
Select all that apply Which send input to the ANS? -Efferent motor neurons -Medulla oblongata -Spinal cord -Cerebral cortex -Hypothalamus
-Medulla oblongata -Spinal cord -Cerebral cortex -Hypothalamus
Select all that apply Which neurons secrete acetylcholine? -Most postganglionic parasympathetic neurons -Most postganglionic sympathetic neurons -Most preganglionic sympathetic neurons -Most preganglionic parasympathetic neurons
-Most postganglionic parasympathetic neurons -Most preganglionic sympathetic neurons -Most preganglionic parasympathetic neurons
Select all that apply After entering the sympathetic chain, preganglionic nerve fibers may do which of the following? -Pass through the sympathetic chain without synapsing, forming splanchnic nerves -Immediately synapse with postganglionic fibers -Directly synapse with effector cells -Move up or down the chain and synapse in ganglia at other levels
-Pass through the sympathetic chain without synapsing, forming splanchnic nerves -immediately synapse with postganglionic fibers -move up or down the chain and synapse in ganglia at other levels
Select all that apply Indicate which of the following are regulated by autonomic nuclei in the brainstem. -Pupillary constriction -Flexion and extension of arm -Salivation -Vasomotor control -Sweating
-Pupillary constriction -Salivation -Vasomotor control -Sweating
Select all that apply What are the effects of the sympathetic division on the eye? -Pupillary dilation -Pupillary constriction -Secretion of tears from the lacrimal gland -Relaxation of the ciliary muscle and lens for far vision -Contraction of the ciliary muscle and lens for near vision
-Pupillary dilation -Relaxation of the ciliary muscle and lens for far vision
Select all that apply Which are sympathetic effects on the urinary system? -Reduced urine output by the kidneys -Contraction of the urinary bladder wall -Contraction of the internal urethral sphincter -Relaxation of the urinary sphincter
-Reduced urine output by the kidneys -Contraction of the internal urethral sphincter
Select all that apply Which of the following are sympathetic effects on the integumentary system? -Secretion from merocrine sweat glands -Relaxation of piloerector muscles -Secretion from apocrine sweat glands
-Secretion from merocrine sweat glands -Secretion from apocrine sweat glands
Select all that apply Which are sympathetic effects on the reproductive system? -Smooth muscle contraction during orgasm -Stimulation of glandular secretion -Labor contractions of the uterus -Penile or clitoral erection
-Smooth muscle contraction during orgasm -Labor contractions of the uterus
Select all that apply Which of the following are examples of the antagonistic effects of the sympathetic and parasympathetic divisions? -The sympathetic division induces dilation of the pupil while the parasympathetic division induces the pupil to constrict. -The sympathetic division speeds up heart rate while the parasympathetic division slows it down. -The salivary glands secrete saliva in response to parasympathetic stimulation while sympathetic stimulation induces them to secrete mucous.
-The sympathetic division induces dilation of the pupil while the parasympathetic division induces the pupil to constrict. -The sympathetic division speeds up heart rate while the parasympathetic division slows it down.
Select all that apply Functions of the enteric nervous system include which of the following? -To regulate the respiratory rate -To regulate motility through the digestive tract -To regulate salivation -To regulate the secretion of digestive enzymes -To regulate the formation of gametes
-To regulate motility through the digestive tract -To regulate the secretion of digestive enzymes
Select all that apply Which are effects of the sympathetic division on the circulatory system? -Vasoconstriction of visceral blood vessels -Vasoconstriction of blood vessels in the skin -Increased blood clotting -Increased heart rate -Decreased heart rate -Vasodilation of visceral blood vessels
-Vasoconstriction of visceral blood vessels -Vasoconstriction of blood vessels in the skin -Increased blood clotting -Increased heart rate
Select all that apply Which regions of the CNS does the parasympathetic division of the ANS arise from? -Cervical spinal cord -Lumbar spinal cord -Brain -Sacral spinal cord -Thoracic spinal cord
-brain -sacral spinal cord
Select all that apply From which regions of the CNS do the nerves of the parasympathetic nervous system arise? -Sacral division of spinal cord -Thoracic division of spinal cord -Lumbar division of spinal cord -Brainstem
-brainstem -sacral division of spinal cord
Select all that apply Which plexuses receive parasympathetic fibers from the vagus nerve? -Cardiac plexus -Cervical plexus -Pulmonary plexus -Brachial plexus -Esophageal plexus
-cardiac plexus -pulmonary plexus -esophageal plexus
Select all that apply Which hormones are secreted by the adrenal medulla? -Cortisol -Norepinephrine -Aldosterone -Epinephrine
-norepinephrine -epinephrine
Select all that apply Parasympathetic fibers leave the brainstem through which cranial nerves? Select all that apply. -Oculomotor -Hypoglossal -Trochlear -Facial -Glossopharyngeal -Vagus
-oculomotor -facial -glossopharyngeal -vagus
Place the components of a visceral reflex arc in order. -efferent neurons -receptor -interneuron -effector -afferent neuron
-receptor -afferent neuron -interneuron -efferent neurons -effector
Select all that apply Which activities are attributed to the parasympathetic division of the ANS? -Increasing blood-glucose levels -Reduced energy expenditure -Digestion -Elevating heart rate -Waste elimination
-reducing energy expenditure -digestion -waste elimination
Select all that apply Which describes the axons of the white communicating ramus? -Parasympathetic -Unmyelinated -Sympathetic -Preganglionic -Postganglionic -Myelinated
-sympathetic -preganglionic -myelinated
How many major collateral ganglia are found on the aorta? -1 -2 -4 -3
3
Which describes the sympathetic chain ganglia? -A series of parasympathetic ganglia located within the spinal cord -A longitudinal series of parasympathetic ganglia -A series of sympathetic ganglia located within the brain -A longitudinal series of ganglia adjacent to both sides of the vertebral column
A longitudinal series of ganglia adjacent to both sides of the vertebral column
Which neurotransmitter is released by both preganglionic and postganglionic neurons of the parasympathetic division? -GABA -Acetylcholine -Norepinephrine
Acetylcholine
What neurotransmitters do the neurons of the autonomic nervous system secrete? -Norepinephrine only -Acetycholine and norepinephrine -Acetycholine only
Acetylcholine and norepinephrine
Which is an example of the cooperative effects of the sympathetic and parasympathetic divisions of the ANS? -Both autonomic divisions increase heart rate. -Both autonomic divisions stimulate salivary gland secretion. -Both autonomic divisions induce dilation of the pupil.
Both autonomic divisions stimulate salivary gland secretion.
Identify the region of the CNS that has nuclei for regulating cardiac and vasomotor control, salivation, swallowing, sweating, gastrointestinal secretion, bladder control, and pupillary constriction/dilation. -Cerebral cortex -Spinal cord -Hypothalamus -Brainstem
Brainstem
What effect does the parasympathetic system have on the respiratory system? -Bronchoconstriction -Decreased secretion by mucous glands via alpha-1 receptors -Increased secretion by mucous glands via beta-2 receptors -Bronchodilation
Bronchoconstriction
What are the three collateral ganglia of the abdominal plexus? -Celiac, superior mesenteric, and inferior mesenteric -Sympathetic, parasympathetic, and collateral -Spinal, sympathetic, and splanchnic
Celiac, superior mesenteric, and inferior mesenteric
Which receptors bind to ACh? -Cholinergic -Alpha -Beta -Adrenergic
Cholinergic
An organ that receives both sympathetic and parasympathetic fibers is said to have what? -Dual innervation -Cooperative effects -Antagonistic effects
Dual innervation
What region of the brain is the primary regulator of the visceral motor system? -Hypothalamus -Cerebral cortex -Thalamus
Hypothalamus
Which is the major control center of the visceral motor system? -Cerebellum -Epithalamus -Pons -Spinal cord -Hypothalamus
Hypothalamus
What effect does the parasympathetic division have on the adrenal medulla? -It has no effect on the adrenal medulla. -It inhibits secretion by the adrenal medulla. -It stimulates secretion by the adrenal medulla.
It has no effect on the adrenal medulla.
Which of the following describes an alpha-adrenergic receptor? -It is usually inhibitory and may use a calcium second messenger system. -It is usually excitatory and may use a cAMP second messenger system. -It is a cAMP second messenger system. -It is usually excitatory and may use a calcium second messenger system.
It is usually excitatory and may use a calcium second messenger system.
Which describes the autonomic nervous system? -It originates in the CNS and receives input from the cerebral cortex, the hypothalamus, and the medulla oblongata. -It acts independently of the central nervous system.
It originates in the CNS and receives input from the cerebral cortex, the hypothalamus, and the medulla oblongata.
__________ receptors are cholinergic receptors that are found at the synapses of all autonomic ganglia, on cells of the adrenal medulla, and at neuromuscular junctions. -Nicotinic -Muscarinic
Nicotinic
Which neurotransmitter is most commonly secreted by postganglionic nerve fibers of the sympathetic division of the ANS? -Acetylcholine -Norepinephrine
Norepinephrine
Which division of the ANS causes a decreased heart rate, vasodilation of visceral blood vessels, and vasodilation of the skin's blood vessels? -Parasympathetic -Sympathetic
Parasympathetic
Which division of the ANS causes contraction of the urinary bladder wall and relaxation of the internal urethral sphincter? -Parasympathetic -Sympathetic
Parasympathetic
Which division of the ANS causes penile or clitoral engorgement and stimulation of glandular secretion? -Sympathetic -Parasympathetic
Parasympathetic
Which division of the ANS causes pupillary constriction and contraction of the ciliary muscle for near vision? -Parasympathetic division -Sympathetic division
Parasympathetic division
Which nerve fibers secrete norepinephrine? -Postganglionic nerve fibers of the parasympathetic division -Preganglionic nerve fibers of the sympathetic division -Preganglionic nerve fibers of the parasympathetic division -Postganglionic nerve fibers of the sympathetic division
Postganglionic nerve fibers of the sympathetic division
Which parasympathetic fibers are found in the pelvic splanchnic nerves? -Postganglionic -Sympathetic -Autonomic -Preganglionic
Preganglionic
_____________ disease is a disorder of the sympathetic nervous system which induces intermittent attacks of paleness, cyanosis, and pain in the digits due to excessive vasoconstriction.
Raynaud
In which of these conditions do the fingers and toes become cold and pale due to vasoconstriction of vessels in the extremities? -Autonomic dysreflexia -Raynaud disease -Horner syndrome
Raynaud disease
How can opposite effects be produced in the ANS? -Only by dual innervation -Sometimes by innervation by only one division
Sometimes by innervation by only one division
Which region of the CNS integrates the reflexes for micturition, defecation, erection and ejaculation? -Spinal cord -Medulla oblongata -Hypothalamus -Midbrain
Spinal cord
Horner syndrome results from an interruption to what innervation of the head? -Parasympathetic -Sympathetic
Sympathetic
Vasomotor tone is produced by a baseline level of stimulation by which division of the ANS? -Sympathetic -Parasympathetic
Sympathetic
Which division of the ANS causes a decrease in gastrointestinal secretions, pancreatic enzymes, and pancreatic insulin? -Parasympathetic -Sympathetic
Sympathetic
Which division of the ANS causes a decrease in gastrointestinal secretions, pancreatic enzymes, and pancreatic insulin? -Sympathetic -Parasympathetic
Sympathetic
Which division of the ANS causes bronchodilation in the respiratory system? -Parasympathetic -Sympathetic
Sympathetic
Which division of the ANS stimulates the breakdown of adipose tissue? -Parasympathetic -Sympathetic
Sympathetic
From where do all preganglionic nerve fibers of the sympathetic nervous system arise? -Cerebellum and brainstem -Cervical and thoracic regions of spinal cord -Thoracic and lumbar regions of the spinal cord -Brainstem and sacral region of spinal cord
Thoracic and lumbar regions of the spinal cord
What are the parasympathetic functions of the oculomotor nerve? -To decrease heart rate and respiratory rate -To induce secretions from the tear glands, salivary glands, and nasal glands -To adjust the shape of the lens and the diameter of the pupil
To adjust the shape of the lens and the diameter of the pupil
Where is the limbic system located? -Within the diencephalon -Within the cerebral cortex -In the brainstem -In the cerebellum
Within the cerebral cortex
The ______ is a network of sympathetic and parasympathetic axons that wrap around the aorta. -splanchnic nerve route -lumbar plexus -spinal nerve route -abdominal aortic plexus
abdominal aortic plexus
The neurotransmitter ______ binds to cholinergic receptors. -acetylcholine -norepinephrine -epinephrine
acetylcholine
The adrenal gland has two parts, an outer rim called the ________ ________ and an inner portion called the ________ _________
adrenal cortex, adrenal medulla
Receptors for epinephrine and norepinephrine are called ___________ receptors
adrenergic
The neurotransmitter norepinephrine binds to ______ receptors. -adrenergic -cholinergic -muscarinic
adrenergic
A(n) _____________-adrenergic receptor is usually excitatory and uses a calcium second messenger system or inhibits cAMP.
alpha
What does the axon of a postganglionic neuron synapse with? -A ganglion -An effector -Brain or spinal cord
an effector
Regulation of pupillary constriction and dilation is an example of the ______ effects of the sympathetic and parasympathetic divisions on the same organ. -antagonistic -cooperative
antagonistic
The efferent pathway of which nervous system uses both acetylcholine and norepinephrine as neurotransmitters? -Central -Somatic -Autonomic
autonomic
The sympathetic and parasympathetic systems exhibit a background rate of activity referred to as ________ tone.
autonomic
Which nervous system controls glands, smooth muscle, and cardiac muscle? -Peripheral -Somatic -Central -Autonomic
autonomic
Which nervous system has two nerve fibers connecting the CNS to an effector? -Autonomic -Peripheral -Somatic
autonomic
Which is usually under involuntary control? -Autonomic nervous system -Somatic nervous system
autonomic nervous system
What is the background activity of both the sympathetic and parasympathetic divisions of the ANS called? -Muscle tone -Vasomotor tone -Somatic tone -Autonomic tone
autonomic tone
The __________-adrenergic receptor is usually inhibitory and acts through a cAMP second-messenger system. -beta -alpha
beta
The phenomenon where the sympathetic and parasympathetic divisions work together to produce a unified outcome is called a(n) ______ effect. -antagonistic -cooperative
cooperative
__________ innervation refers to the fact that many structures in the body are innervated by nerve fibers from both the sympathetic and parasympathetic divisions of the ANS.
dual
The _________ nervous system consists entirely of neurons embedded in the wall of the digestive tract and does not originate from the brain or spinal cord.
enteric
Which cranial nerve regulates secretion from the tear glands, salivary glands, and nasal glands? -Oculomotor nerve (III) -Glossopharyngeal nerve (IX) -Facial nerve (VII) -Vagus nerve (X)
facial nerve
True or false: The limbic system is the part of the brain involved with coordination of motor input.
false
The _______ nerve carries parasympathetic fibers to the parotid salivary gland.
glossopharyngeal
The ______ communicating ramus carries unmyelinated sympathetic postganglionic fibers that exit the ganglion, enter a spinal nerve, and then travel to the target organ. -white -gray
gray
_________ syndrome is a disorder that results from an interruption to sympathetic innervation of the head.
horner
Visceral effectors exhibit denervation ______ when their nerves are severed.
hypersensitivity
Which of the following occurs during the fight-or-flight response? -Increased bronchoconstriction -Increased pupillary constriction -Increased production of glycogen in the liver -Increased ATP production -Increased urine formation
increased ATP production
Cell bodies of the sympathetic preganglionic fibers are found in the _________ horn of gray matter in the spinal cord.
lateral
Regarding the length of fibers, the parasympathetic nervous system has ______ preganglionic fibers and ______ postganglionic fibers. -long, short -long, long -short, long -short, short
long, short
Regarding the length of fibers, the parasympathetic nervous system has ______ preganglionic fibers and ______ postganglionic fibers. -short, short -long, short -long, long -short, long
long, short
The ganglia of the parasympathetic division are located ______. -near the spinal column -near or within the brain -near or within the target organ
near or within the target organ
Which division of the ANS is referred to as the "rest and digest" division? -Parasympathetic -Sympathetic
parasympathetic
Which division of the ANS is associated with normal body maintenance? -Sympathetic division -Parasympathetic division
parasympathetic division
___________ nerves convey impulses from the sympathetic trunk ganglia to the distal half of the colon, rectum, bladder, and reproductive organs.
pelvic
Which type of neurons make up the adrenal medulla? -Preganglionic sympathetic -Postganglionic sympathetic -Postganglionic parasympathetic -Preganglionic parasympathetic
postganglionic sympathetic
Which parasympathetic fibers are found in the pelvic splanchnic nerves? -Postganglionic -Preganglionic -Autonomic -Sympathetic
preganglionic
Which efferent pathway has a single nerve fiber extending from the CNS to effector? -Visceral -Somatic -Autonomic
somatic
Which nervous system regulates conscious, voluntary movements of the skeletal muscles? -Somatic nervous system -Autonomic nervous system
somatic nervous system
Which nervous system transmits only excitatory signals to effector cells? -Autonomic nervous system -Somatic nervous system
somatic nervous system
Preganglionic sympathetic fibers typically synapse with sympathetic chain ganglia unless they pass through, forming _________ nerves that instead enter collateral ganglia.
splanchnic
The ______ division of the ANS may induce an increased or decreased breakdown of adipose tissue.
sympathetic
The __________ bdivision of the ANS and the adrenal medulla develop from the same embryonic tissue.
sympathetic
The __________ division of the ANS stimulates the secretion of hormones by the adrenal medulla?
sympathetic
The division of the ANS that has general and widespread effects is the __________ division.
sympathetic
The division of the ANS that has relatively short preganglionic fibers and long postganglionic fibers is the ______ division. -parasympathetic -sympathetic
sympathetic
Which division of the ANS is associated with the "fight-or-flight" response? -Sympathetic -Parasympathetic
sympathetic
Which division of the ANS stimulates sweat glands and piloerector muscle contraction? _______________
sympathetic
Which ganglia extend from the cervical region to the coccygeal region along the vertebral column? -Parasympathetic ganglia -Sympathetic chain
sympathetic chain
In the ______ division of the ANS the preganglionic nerve fibers are short, while in the ______ division the preganglionic fibers are relatively long. -sympathetic, parasympathetic -parasympathetic, sympathetic
sympathetic, parasympathetic
Neural divergence is extensive in the ______ division of the autonomic nervous system, while in the ______ division, divergence is minimal. -parasympathetic, sympathetic -sympathetic, parasympathetic
sympathetic, parasympathetic
Within the ANS, the effects of the ______ division are often general and widespread, while in the _______ division the effects are more specific and local. -sympathetic, parasympathetic -parasympathetic, sympathetic
sympathetic, parasympathetic
If the nerves to visceral effectors are severed, what happens to the effectors? -They exhibit spastic paralysis -They become hypersensitive -The become hypo sensitive -They exhibit flaccid paralysis
they become hypersensitive
From where do all preganglionic nerve fibers of the sympathetic nervous system arise? -Thoracic and lumbar regions of the spinal cord -Brainstem and sacral region of spinal cord -Cerebellum and brainstem -Cervical and thoracic regions of spinal cord
thoracic and lumbar regions of the spinal cord
The sympathetic division of the ANS is also called the ______ division as it arises from the thoracic and lumbar regions of the spinal cord. -craniosacral -thoracolumbar -sacral -cervical
thoracolumbar
____________ tone describes the continual input from the sympathetic division to the smooth muscle of blood vessel walls, resulting in a partial and constant tension.
vasomotor