Docsity
Docsity

Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity


Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan


Guidelines and tips
Guidelines and tips

Pre A&P Chapter 7 Review Exams 2024/2025 Actual Exam Complete Questions and 100% Correct, Exams of Nursing

Pre A&P Chapter 7 Review Exams 2024/2025 Actual Exam Complete Questions and 100% Correct Verified Answers Graded A Pre A&P Chapter 7 Review Exams 2024/2025 Actual Exam Complete Questions and 100% Correct Verified Answers Graded A Pre A&P Chapter 7 Review Exams 2024/2025 Actual Exam Complete Questions and 100% Correct Verified Answers Graded A Pre A&P Chapter 7 Review Exams 2024/2025 Actual Exam Complete Questions and 100% Correct Verified Answers Graded A Pre A&P Chapter 7 Review Exams 2024/2025 Actual Exam Complete Questions and 100% Correct Verified Answers Graded A

Typology: Exams

2023/2024

Available from 11/20/2024

emmaculate-owuor
emmaculate-owuor šŸ‡°šŸ‡Ŗ

5

(1)

529 documents

1 / 24

Toggle sidebar

Related documents


Partial preview of the text

Download Pre A&P Chapter 7 Review Exams 2024/2025 Actual Exam Complete Questions and 100% Correct and more Exams Nursing in PDF only on Docsity!

Pre A&P Chapter 7 Review Exams 2024/2025 Actual

Exam Complete Questions and 100% Correct Verified

Answers Graded A

The two control systems of the body are the _____System and the _____System. The _____System is fast acting, its results are brief in duration, and it uses electrical signals called nerve impulses. The _____System is slower, its results are longer lasting, and it releases chemicals called _____into the blood. nervous, endocrine, nervous, endocrine, hormones The Nervous System has three overlapping functions: _____input, _____, and _____output. _____receptors(monitoring devices)detect changes, or _____, inside and outside the body. (S.I.M.S.S) sensory, integration, motor, sensory, stimuli Neurons called sensory neurons, or afferent neurons, carry this sensory information...sensory input...to the brain and spinal cord. This sensory input is analyzed and decisions are made about appropriate responses to the changes. This is the _____function, and it is a function of the CNS only.Information...motor output...is carried from the brain and spinal cord to effectors by _____or efferent neurons. The effectors carry out the body's responses to stimuli. Effectors include all three types of _____tissue and some glands. integration, motor, muscle The _____classification is based on structures or organs. There are two subdivisions: the CNS or _______________and the PNS or _______________. structural, central nervous system, peripheral nervous system The central nervous system(CNS)consists of the _____and __________.The peripheral nervous system (PNS) consists of _____that connect the CNS with receptors and effectors. brain, spinal cord, nerves

_____nerves carry information to and from the brain; _____nerves carry information to and from the spinal cord. cranial, spinal The functional classification is based on information flow to and from the CNS. Therefore, it involves the PNS only. There are two subdivisions: the _____division(or afferent division) and the _____division(or efferent division). _____(or afferent) neurons carry information FROM sensory receptors TO THE CNS. sensory, motor, sensory If the information is coming from the skin, muscles, or joints, then the neurons are _____sensory neurons. If the information is coming from visceral organs, then the neurons are _____sensory neurons. somatic, visceral _____(or efferent)neurons carry information FROM the CNS TO the effectors._____motor neurons carry information to voluntary effectors, the skeletal muscles. motor, somatic _____(or autonomic) motor neurons carry information to involuntary effectors: cardiac muscle, smooth muscle, and some glands. Based on the effectors (voluntary or involuntary), the motor division has two subdivisions: the _____nervous system and the autonomic or _____nervous system. visceral, voluntary, involuntary The autonomic nervous system also has two parts: the _____division and the _____division. sympathetic, parasympathetic The _____division is called the "fight-or-flight" division and the _____division is called the "resting- and-digesting" division. For the most part, motor neurons for both divisions carry information to the same effectors but have opposite actions. sympathetic, parasympathetic

Nervous tissue is made up of two types of cells: supporting cells also called _____(or glia or glial cells) and nerve cells also called _____. neuroglia, neurons __________ generate and conduct nerve impulses; they secrete neurotransmitters;they are amitotic neurons ___________ cannot generate and conduct nerve impulses;they are mitotic and give rise to brain tumors or gliomas;they are smaller and more numerous than the other cell type neuroglia name 4 glial cells in the CNS (A.M.E.O) Astrocytes. Microglial cells ependymal cells oligodendrocytes name 2 glial cells in the PNS schwann cells satellite cells Astrocytes, microglialcells, ependymalcells, and oligodendrocytes are located in the _____(CNS or PNS).Schwann cells and satellite cells are located in the _____(CNS or PNS). CNS, PNS ____________ is a name that means "star cell;" are the most abundant glial cell; form a living barrier between capillaries and neurons; help to regulate exchanges of substances between the neurons and the blood astrocytes ___________ are phagocytes; remove debris from damaged nervous tissue; help to protect by phagocytizing microorganisms

microglia ____________ ___________ line ventricles of brain and the central canal of the spinal cord; help to form choroid plexuses of the ventricles and make cerebrospinal fluid; have cilia which help to circulate cerebrospinal fluid oligodendrocytes: form myelin sheaths for axons in CNS ependymal cells __________ _________ form myelin sheaths for axons in PNS schwann cells ___________ __________ are flattened cells that surround and protect cell bodies in the PNS satellite cells the __________ __________ is where a portion of neuron where nucleus and other organelles are located; also called the soma cell body __________ are neuron processes that conduct electrical signals toward the cell body; are afferent processes; the number may vary dendrites a _________ is a long projection that conducts electrical signals away from the cell body and toward another neuron or muscle fiber or gland cell; it is an efferent process; 1 per neuron; is often called a nerve fiber axon a _________ ________ is a cone-shaped region where the axon joins the cell body axon hillock an ___________ ___________ is one of the many branching ends of an axon; site of synaptic vesicles containing chemicals called neurotransmitters axon terminal

the _________ __________ is a fatty covering around the axon; it is formed by Schwann cells (in PNS) and oligodendrocytes (in CNS) myelin sheath ___________ ____ ___________ are gaps in the myelin sheath between Schwann cells nodes of ranvier _____________ is the outer layer of a "wrapped" Schwann cell consisting of remainder of membrane, cytoplasm,and nucleus; neurilemma Homeostatic Imbalance: Anautoimmune disorder that involves the progressive destruction of the myelin sheath of neurons in the CNS is __________ ___________.Symptoms include vision problems and muscle weakness. multiple sclerosis The ________ is a collection of cell bodies within the CNS nucleus a ____________ is a collection of cell bodies within the PNS ganglion a _________ is a bundle of axons in the CNS tract a _________ is is a cordlike bundle of axons and connective tissues in the PNS nerve _________ ________ is areas of primarily myelinated axons of the CNS white matter __________ __________ contain mainly cell bodies and unmyelinated fibers of the CNS gray matter

Neurons may be classified based on their function or structure._____classification groups neurons according to the direction the nerve impulse is traveling with respect to the CNS. functional ___________ is afferent neurons, carry information from sensory receptors to the CNS. sensory ___________ is efferent neurons, carry information away from the CNS to effectors. motor __________ is association neurons,connectsensory and motor neurons; are the mostnumerous type of functional neuron interneurons _____classification is based on the number of processes extending from the cell body. structural ___________ neurons:have one very short process extending from the cell body. The process divides into the peripheral (is distal) process and the central (is proximal) process. Both parts form the axon. These neurons are unique because the branches at the end of the peripheral process are the dendrites. At the end of the central process are axon terminals. Sensory neurons are unipolar neurons. Unipolar ____________ neurons:have two processes, one axon and one dendrite. They are found in the eye and in the nose. Bipolar ___________neurons:have many processes; motor neurons and all interneurons are multipolar neurons, so this is the most common structural neuron multipolar ____________(or excitability) is the ability to respond to stimuli and generate nerve impulses irritability

____________ is the ability to pass on the electrical signal to another neuron or to a muscle cell or to a gland cell conductivity The plasma membrane of a resting neuron is polarized. The membrane separates two areas of charge. The inner face is _____and the outer face is _____. negative, positive The major extracellular cations are _____ions (Na+); the major intracellular cations are _____ions (K+). sodium, potassium Many different stimuli disturb, or excite, the neuron to generate an action potential. An action potential is also called a __________ _________ in neurons. However, most neurons are excited by _____chemicals. When a neuron is stimulated, the permeability of the plasma membrane changes. nerve impulse, neurotransmitter Gated _____channels open; _____diffuses into the cell.Polarity is reversed. sodium, sodium The inner face is _____, and the outer face is _____. This is called _____. positive, negative, depolarization If the stimulus is strong enough and a lot of sodium moves into the cell, voltage-gated channels for sodium open and a long-distance signal called a _____ _____results. nerve impulse Sodium gates close, and in the same region of the membrane, _____gates open. The membrane becomes impermeable to sodium but permeable to potassium ions in this same region. Potassium diffuses out of the cell. Polarity is reversed again. potassium The inner face is _____, and the outer face is _____. This is called _____. a (the a is so quizlet doesn't have duplicate terms)

negative, positive, repolarization The potassium gates close. The sodium-potassium pump moves _____ions out of the cell and brings _____ions back into the cell.The pumps restore the initial concentrations of the ions. sodium, potassium Axons with myelin sheaths conduct impulses _____(faster or slower) than those that do not. Step-by- step depolarization and repolarization of each adjacent segment of the plasma membrane is called continuous conduction. In _____conduction, ion flow across the membrane occurs at the nodes of Ranvier where there are voltage-gated ion channels. The nerve impulse appears to leap from node to node as each node is depolarized. faster, saltatory The nerve impulse is an _____response. It is either conducted over the entire axon, or it doesn't happen at all. all-or-none PUT THE FOLLOWING INTO THE CORRECT ORDER starting with a nerve impulse in the sending neuron 2 - Nerve impulse in presynaptic neuron (sending neuron) travels to axon terminal 5 - Calcium ion channels open; calcium diffuses into the axon terminal 1 - Calcium causes some synaptic vesicles (with neurotransmitter)to fuse with the axonal membrane 6 - Neurotransmitter is secreted via exocytosis into synaptic cleft 3 - Neurotransmitterdiffuses across synaptic cleft 4 - Binding of neurotransmitter to receptors in membrane of postsynaptic neuron 2 - Nerve impulse in presynaptic neuron (sending neuron) travels to axon terminal

5 - Calcium ion channels open; calcium diffuses into the axon terminal 1 - Calcium causes some synaptic vesicles (with neurotransmitter)to fuse with the axonal membrane 6 - Neurotransmitter is secreted via exocytosis into synaptic cleft 3 - Neurotransmitterdiffuses across synaptic cleft 4 - Binding of neurotransmitter to receptors in membrane of postsynaptic neuron The time it takes for the neurotransmitter to diffuse across the synaptic cleft is called _____delay. The transmission of an impulse is called an _____event. synaptic, electrochemical A _____is a rapid, predictable, and involuntary response to a stimulus. Reflexes are classified according to the effectors. Somatic reflexes include all reflexes that stimulate the _____muscles. reflex, skeletal _____reflexes regulate the activity of smooth muscles, the heart, and glands. Autonomic he five components of a reflex arc are: (1) a _____receptor, (2) an _____, (3) _____neuron and (4) _____neuron, (5) an _____center. Sensory Effector Sensory Motor Integration

The simplest reflex arc, a two-neuron reflex arc, is the _____or knee-jerk reflex. It is an example of a _____( somatic or autonomic) reflex. The quadriceps muscle is stretched by tapping the patellar ligament. The same muscle responds by contracting. This results in in the body movement, _____of the leg. patellar, somatic, extension The brain and spinal cord are protected by: 1-bone, 2-connective tissue membranes called the _____, 3 - fluid called _____fluid, and by 4-the _____barrier. meninges, cerebrospinal, blood-brain Three connective tissue membranes that cover the brain and spinal cord are the _____. The outermost is the _____mater. meninges, dura In the area of the brain, it has two layers. Where these two layers separate, they enclose __________. A sinus is a sac-like vein. Blood coming back from the brain drains into the sinuses as it moves toward the heart. dural sinuses The middle membrane is the _____mater. Arachnoid villi/granulations are finger like extensions of the arachnoid mater that project into the dural sinuses. The _____space, located beneath the arachnoid mater, contains _____fluid. arachnoid, subarachnoid, cerebrospinal The innermost membrane is the delicate, highly vascularized _____mater, which "hugs" the surfaces of the brain and spinal cord. pia _____is inflammation of the meninges; _____is brain inflammation. meningitis, encaphalitis Cerebrospinal fluid is formed from blood by the _____ _____of each ventricle. choroid plexus

The plexuses are masses of capillaries and ependymal cells. CSF circulates from the two _____ventricles lateral _____ventricle(in the diencephalon) through the _____ _____(in midbrain of the brain stem)into the _____ventricle(dorsal to pons and medulla). third, cerebral aquaduct, fourth Some continues into the spinal cord, but most of it goes into the _____space. CSF is absorbed back into the blood...into the dural sinuses...via the __________. subarachnoid, arachnoid granulations If something obstructs the drainage of CSF, fluid accumulates. With an increase in fluid, there is an increase in pressure of CSF. This condition is called _____. hydrocephalus Neurons are kept separated from substances in the blood by the _____barrier. The blood-brain barrier consists of _____junctions that zip together the epithelial cells of brain capillaries.So, substances must be able to move through plasma membranes. blood-brain, tight List the items that can cross the blood-brain barrier. water, glucose, oxygen, carbon dioxide, alcohol, nicotine, anesthetics, urea, toxins, and most drugs water, glucose, oxygen, carbon dioxide, alcohol, nicotine,anesthetics List the items that can not cross the blood-brain barrier. water, glucose, oxygen, carbon dioxide, alcohol, nicotine, anesthetics, urea, toxins, and most drugs urea, toxins, and most drugs. The spinal cord has two-way communication with the brain. Sensory input travels in __________ _________ toward the brain, and motor output travels down __________ __________ from the brain. ascending tracts, descending tracts The spinal cord is also a center for ___________.

reflexes Within the vertebral column, the spinal cord extends from the foramen magnum to the first or second _____vertebra. lumbar The meninges, continuous with those covering the brain, do not end at the second lumbar vertebra, but extend into the sacrum. This makes it possible to remove fluid from the subarachnoid space below the second lumbar vertebra without damaging the spinal cord. This is called a _____puncture or spinal tap. lumbar The spinal cord is not uniform in diameter. There are two enlargements: the _____enlargement and the _____enlargement. cervical, lumbar There are _____pairs of spinal nerves. 31 The collection of spinal nerves at the inferior end of the vertebral canal is called the __________ ___________. cauda equina The _____matter is shaped like the letter H. gray in the center is a space, the _________ __________. It runs the length of the cord and is filled with _____fluid. central canal, cerebrospinal At its superior end, it is continuous with the _____ventricle of the brain. The projections of gray matter are called _____. fourth, horns

The two posterior projections are the _____horns, and the two anterior projections are the _____horns. dorsal, ventral The dorsal horns contain _____. The ventral horns contain cell bodies of _____motor neurons. interneurons, somatic If lateral horns are present...in the thoracic and lumbar regions..., they contain cell bodies of _____motor neurons. The axons of motor neurons only form the _____root of a spinal nerve. autonomic, ventral The ventral root is ONE-WAY information flow from the CNS to effectors. The axons of sensory neurons only form the _____root of a spinal nerve. The dorsal root is ONE-WAY information flow from sensory receptors to the CNS. The cell bodies of sensory neurons are located outside the CNS in swellings called the ________ __________ ____________. dorsal, dorsal root ganglion The white matter consists of bundles of myelinated axons of neurons.White matter is also organized into regions. The white matter on each side of the cord consists of the _____column, the _____column, and the _____column. dorsal, lateral, ventral Each column contains bundles of axons. These bundles are called _____. tracts Recall that bundles of axons in the CNS are tracts and that bundles of axons in the PNS are _____.Ascending tracts carry _____input to the brain; descending tracts carry _____output from the brain.(So, bundles of axons form tracts; tracts make up columns; columns form areas of white matter) nerves, sensory, motor A spinal nerve is formed from the union of a ventral root...outgoing _____axons...and a dorsal root...incoming _____axons. So, there is TWO-WAY information flow where these axons pass together. This kind of nerve is called a _____nerve. All spinal nerves are mixed nerves.

motor, sensory, mixed Damage to the dorsal root or its ganglion results in _____of _____from the body area served. loss of sensation Damage to the ventral root results in __________. No voluntary muscle movement occurs, and muscles begin to atrophy.If the spinal nerve itself is damaged, both flaccid paralysis and loss of sensation occur. flaccid paralysis There are _____pairs of spinal nerves: 8 pairs of _____nerves; 31, cervical 2 pairs of _____nerves; 5 pairs of _____nerves; thoracic, lumbar 5 pairs of _____nerves, 1 pair of _____nerves. sacral, coccygeal Spinal nerves are very short, ~1/2 inch long. Almost immediately after being formed,each spinal nerve divides into branches. These branches are called _____(ramus = sing.). They include the dorsal ramus and the ventral ramus, which are also mixed. The gray ramus communicans and the white ramus communicans are part of the Autonomic Nervous System rami The ventral rami of most spinal nerves form interweaving networks called _____. plexuses From these plexuses come important nerves in the body. The four major plexuses are the _____plexus, the _____plexus, cervical, brachial From these plexuses come important nerves in the body. The four major plexuses are the _____plexus, and the _____plexus.

lumbar, sacral (Cervical plexus, brachial plexus, lumbar plexus, sacral plexus) Match the plexus with the nerves: phrenic, radial, ulnar, femoral, sciatic. phrenic nerves-innervate the diaphragm cervical plexus (Cervical plexus, brachial plexus, lumbar plexus, sacral plexus) Match the plexus with the nerves: phrenic, radial, ulnar, femoral, sciatic. radial and ulnar nerves - innervate the arms brachial plexus (Cervical plexus, brachial plexus, lumbar plexus, sacral plexus) Match the plexus with the nerves: phrenic, radial, ulnar, femoral, sciatic. femoral nerves - innervate the legs lumbar plexus (Cervical plexus, brachial plexus, lumbar plexus, sacral plexus) Match the plexus with the nerves: phrenic, radial, ulnar, femoral, sciatic. sciatic nerves(largest nervesin body)-innervate the legs sacral plexus The ventral rami of the _____spinal nerves do not enter into the formation of plexuses. They form the _____nerves and innervate the muscles between the ribs and the skin and muscles of the anterior and lateral trunk. thoracic, intercostal name the four regions of the brain (CDBC) cerebrum, diencephalon, brain stem, and cerebellum what is the largest part of the brain?

cerebrum he right and left halves of the cerebrum are the _________ _____________. A large tract, the ____________ _____________, connects them and allows for communication between them. cerebral hemispheres, corpus callosum The surface of the cerebrum is highly folded. The "mountains" are _____, and the "valleys" are _____. A deep sulcus is a _____. gyri, sulci, fissure he prominent _____fissure separates the two hemispheres. longitudinal Sulci separate each hemisphere into four lobes named for cranial bones. They are the _____, _____, _____and _____lobes. frontal, parietal, occipital, temporal Structurally, each hemisphere has an outer area of gray matter(cell bodies of neurons)called the cerebral_____. cortex Deep to the cortex is _____matter (mostly tracts).Islands of gray matter within the white matter are called basal _____. white, nuclei The functional areas of the cerebral cortex are _____areas which initiate skeletal muscle movement, _____areas where sensory input is interpreted, and _____areas where integration of information occurs. motor, sensory, association the _______ ______ _______ is located in back part of frontal lobe; initiates impulses that control skeletal muscle movement primary motor area

the ______ ______/ _______ ______ ______ is in the left hemisphere (frontal lobe) only; controls skeletal muscles involved with speaking broca's area/ motor speech area the _______ ______ _______ _______ is located in front part of parietal lobe; general senses are interpreted here primary somatic sensory area which lobe is the sensory area for smell (olefaction) located? temporal lobe which lobe is the sensory area for hearing (auditory) located? temporal lobe which lobe is the sensory area for vision located? occipital lobe which lobe is the Sensory area for taste (gustatory) located? parietal lobe ___________ _________ __________ are higher intellectual functions like intelligence,reasoning, planning, creativity, problem solving;appropriate social behavior;in frontal lobes anterior association areas Which part of the brain is characterized by the following: ____________ a.Is the second largest part of the brain b.Structurally has two hemispheres, a convoluted surface, an outer cortex of gray matter, and an inner region of white matter c.Is responsible for smooth, coordinated skeletal muscle movements, proper balance, posture, and muscle tone

cerebellum The major structures of the diencephalon are the _____, the _____, and the _____. thalamus, epithalamus, hypothalamus the _________ is a "relay station" for sensory impulses to the sensory areas of the cerebral cortex; surrounds the third ventricle thalamus the __________ is the location for the pineal gland and choroid plexus for 3rd ventricle epithalamus the ____________ is an important autonomic nervous system center; regulates body temperature, thirst, appetite, water balance; is the "master" of the pituitary gland; makes the hormones ADH and oxytocin; is involved with our emotions hypothalamus The three parts of the brain stem from superior to inferior are the _____, _____, and __________. midbrain, pons, medulla oblongata it is an area of _____(sensory) and _____(motor) tracts that extend between the spinal cord and other parts of the brain.It also has reflex centers that are vital to our survival. Damage to the brain stem is catastrophic. ascending, descending The ___________ has reflex centers for vision and hearing; is the location for the cerebral aqueduct midbrain the __________ is a "bridge" that connects different parts of brain; contains a breathing center pons the __________ is continuous with the spinal cord; controls heart rate, blood pressure, breathing, swallowing, vomiting, coughing medulla

Running the length of the brain stem is a mass of gray matter called the _____formation. reticular A part called the ____________ ____________system filters _____input to the cerebrum. It is also involved with the awake/sleep cycle, so damage to this area can result in a coma. reticular activating, sensory There are _____pairs of cranial nerves. Each cranial nerve has a number (a Roman numeral) and a name 12 Cranial nerves I are the _____nerves, cranial nerves II are the _____nerves, and cranial nerves X are the _____nerves. olfactory, optic, vagus Nerves may be mixed, sensory, or motor. Most cranial nerves are _____nerves. The olfactory nerves and the optic nerves are purely _____nerves. mixed, sensory The _____nerves "wander" away from the head and neck region and innervate organs in the thoracic and abdominal cavities. vagus Nerves carrying both sensory and motor fibers are called __________ nerves. mixed Nerves that carry impulses toward the CNS only are called ___________ or afferent nerves. sensory Nerves that have only motor fibers are __________ or efferent nerves. motor Recall that these are the two parts of the _____ Division of the PNS

motor what are the effectors of the somatic nervous system? skeletal muscle Response to stimulation in the somatic nervous system? skeletal muscles (always/never) contract? always Neuron arrangement THESE ARE MOTOR NEURONS (Somatic Nervous System). one neuron from (CNS/PNS) to effector? CNS Neuron cell body location in somatic nervous system: Cell body of neuron in (CNS/PNS); axon in (CNS/PNS) extends to effector CNS, PNS Axon sheaths in somatic nervous system are (myelinated/ unmyelinated) myelinated neurotransmitters in the somatic nervous system are always _______________. acetylcholine effectors in the autonomic nervous system are smooth muscle, ___________ muscle, glands cardiac the response to stimulation in the autonomic nervous system are Effectors may be ____________ or inhibited. stimulated Neuron arrangement THESE ARE MOTOR NEURONS (in the autonomic nervous system) Two neuron chain from CNS to effector: _________________neuron + ganglion + ____________________neuron preganglionic, postgamglionic

neuron cell body location in the autonomic nervous system: Cell body of first neuron (preganglionic neuron) in CNS; cell body of (first/second) neuron (postganglionicneuron) in ganglionin (CNS/PNS) second, PNS number of synapses in the autonomic nervous system. (one/two) synapses; first is in ganglion and second is at neuroeffector junction two axon sheaths for the autonomic nervous system: Preganglionic axons are (myelinated/unmyelinated); postganglionicaxons are (myelinated/unmyelinated) myelinated, unmyelinated neurotransmitters in the autonomic nervous system is: Acetylcholine released by preganglionic axons (is always excitatory to postganglionic neurons); (Sympathetic/Parasympathetic) postganglionic axons release ACh; (Sympathetic/Parasympathetic) postganglionic axons release NE(norepinephrine) Parasympathetic, Sympathetic Fibers(axons)that secrete acetylcholine are _____fibers. cholinergic Fibers that secrete norepinephrine (= noradrenaline) are _____fibers. adrenergic The (Sympathetic/Parasympathetic) Division or "resting and digesting" division, is also called the Craniosacral Division. Parasympathetic The (Sympathetic/Parasympathetic) Division or "fight-or-flight" divisionis also called the Thoracolumbar Division. Sympathetic

Some structures innervated by the SNS only include: adrenal glands, arrector pili muscles, ___________ glands, most blood vessels sweat what is the effect of the digestive system in the sympathetic system? (Increases/Decreases) smooth muscle motility; (Increases/Decreases) secretions decreases, decreases what is the effect of the lungs in the sympathetic system? (Dilates/Constricts) bronchioles Dilates what is the effect of the heart in the sympathetic system? (Increases/Decreases) rate of heartbeat increases what is the effect of the blood vessels of skin & viscera in the sympathetic system? (Constricts/Dilates), raising blood pressure constricts what is the effect of the Blood vessels of skeletal muscles in the sympathetic system? (Dilates/Constricts), increasing blood flow Dilates what is the effect of the salivary glands in the sympathetic system? (Increases/Decreases) secretion of saliva decreases what is the effect of the Eye (muscles forming iris) in the sympathetic system? (Dilates/Constricts) pupil Dilates what is the effect of the Adrenal medulla in the sympathetic system? (Secretes/Does Not Secrete) epinephrine and norepinephrine into blood

secrete what is the effect of the Sweat glands in the sympathetic system? (Stimulates/Does Not Stimulate) to produce perspiration Stimulates what is the effect of the Arrector pili muscles attached to hair follicles in the sympathetic system? (Stimulates/Does Not Stimulate) contraction producing "goose bumps" Stimulates what is the effect of the Digestive system in the parasympathetic system? (Increases/Decreases) smooth muscle motility; (Increases/Decreases) secretions Increase, Increase what is the effect of the Lungs (bronchioles) in the parasympathetic system? (Dilates/Constricts) bronchioles constricts what is the effect of the heart in the parasympathetic system? (Increases/Decreases) rate of heartbeat decreases what is the effect of the Blood vessels of skin & viscera in the parasympathetic system? No Parasympathetic effect; (Dilation/Constriction) occurs in reduction of sympathetic stimulation Dilation what is the effect of the Salivary glands in the parasympathetic system? (Increases/Decreases) secretion of saliva Increases what is the effect of the eye (muscles forming iris) in the parasympathetic system? (Dilates/Constricts) pupil Constricts

what is the effect of the Blood vessels of skeletal muscles, Adrenal medulla, Sweat glands, Arrector pili musclesattached to hair follicles in the parasympathetic system? No (Parasympathetic/Sympathetic) effect Parasympathetic