Nervous System Questions and Answers

Pre Lab Quiz 6 Nervous Tissue and the Human Brain Item 5 Internode Myelination beginning Nodes of Ranvier Schwann cell The my in t

14 Drag the appropriate labels to their respective targets Central axon NEUROGLIAL CELL TYPE FUNCTION Schwann cell Myelinate certain axons in the PNS Cell body Peripheral axon Satellite cell Surround and support cell bodies Reset Hel

stering Assignments ab Quiz 6 Nervous Tissue and the Human Brain Astrocyte Cilia Processes Microglial cell 13 End feet Fluid being secreted

Nervous tissue contains neurons that 1 function as support cells 2 3 have long processes extending from their cell bodies protect the delicate functional cells of the nervous system form insulation around cell processes in th

Signals flowing through the ne Arrange the structures belo View Available Hint s

11 Explain why a nursing assistant should not try to prevent a fall page 12 Demonstrate if a person starts to fall what you should do page 141 Chapter 13 1 Define chemical and physical restraints page 144 2 Explain the purpose of restraints alternatives page 145 3 When are restraints used page 144

is an altered state of consciousness or psychological state of altered attention and expectation in which the individual is unusually receptive to suggestions Multiple Choice Extrasensory perception ESP Meditation Caffeinism

Multiple Choice O O modify a person s perceptual experience slow down central nervous system s activity Increase central nervous system s activity slow down central nervous system s activity slow down central nervous system s activity modify a person s perceptual experience slow down central nervous system s activity Increase central nervous system s activity

Part A Identify the highlighted structure

Question 11 2 points 4 Listen Where would you find the cristae ampullaris Semicircular canals of the ear Cochlea of the ear Within the retina of the eye Within the olfactory epithelium Question 12 2 points Listen Which structures in the ear are responsible for stat

form with ma activities A Group loss of Cognitive function that pri nel socialyand brou of symptoms 4 Permanent dementias result from not disease as in the brain noumeroward Fur decline over time not ar normal part of aging Ch 5 Depression can be mistaken for 6 Memory loss is an early warning sign for

signs Alzheimer s disease AD increase during hours of darkness 8 A nursing center resident is a retired banker The person has AD He believes he is a famous astronaut This is a 9 A person with AD is making loud screaming sounds List 5 measures that might help the person A B C D

O O O the branchlike part of the neuron that is responsible for receiving Information from other neurc the part of the neuron that carries Information away from the cell body toward other cells the layer of fat cells that encase and insulate the neuron located inside the cell body

1 Which of the following demonstrates providing person centered care Focusing on the task that needs to be completed Focusing on the things that a person cannot do Focusing on the family s desires for care Focusing on the individual s personal history and preferences OOOO O 2 Oscar who has middle stage dementia has joined art class today and the group is painting with watercolors The activity staff puts a piece of paper paints a cup of water and a brus in front of Oscar and welcomes him to the activity Oscar sits at the table for a few minutes watching others but does not paint What is the BEST next step the staff can take to help Osca Tell Oscar to watch the others and do what they are doing O Take away Oscar s painting supplies he does not look interested Place the brush in Oscar s hand and demonstrate the next step Give Oscar some crayons instead since he does not know how to paint 3 Glenn worked as a night shift security guard for 30 years What challenge might caregivers expect O Glenn has his days and nights mixed up O Glenn has a tendency to wander O Glenn does not like to talk to people Glenn wants to wear his uniform 4 Sam has late stage dementia What common late stage risk should staff be MOST concerned about O Risk for pressure injuries O Risk for sleep disturbances OO Risk for losing track of time Risk for losing the ability to talk 5 What is the BEST step caregivers can take to prevent dehydration in people with dementia O Offer a person their favorite drinks often throughout the day

Match the auditory structures listed on the left to their best fits for each Function Location listed on the right Includes Wernicke s Area First site that integrates w visual informatio First binaural site for Orienting Reflex Found along medial face of the Lateral Sulcus Divergent connectivity allows detailed discrimination Choose Higher Auditory Cortex Inner Hair Cells A1 Primary Auditory Cortex Inferior colliculus Superior olive Choose Choose Choose

Indicate for each of the following cells in the Retina whether they release neurotransmitters that have an Excitatory or Inhibitory effect Amacrines Hoizontals Ganglions Cones Bipolars Rods Choose Inhibitory Excitatory CHOOSEJ Choose Choose Choose Choose

Excitatory the following stimulating depolarization of presynaptic neurons O inhibiting postsynaptic neurons from repolarizing inhibiting presynaptic neurons from depolarizing stimulating depolarization of postsynaptic neurons stimulating saltatory conduction Question 4 Which one of the following divisions of the nervous system predominates during the relaxed state endocrine division somatic division 0 5 pts parasympathetic division

34 What would be the best explanation for why myelinated fibers conduct signals faster than unmyelinated fibers Multiple Choice O O O O O There are no sodium channels in unmyelinated fibers Myelinated fibers contain more sodium ions Myelinated fibers have more sodium potassium pumps in their membranes Active transport of sodium and potassium is faster in myelinated fibers Electrical signals spread faster through insulated myelinated regions of axon

Let s recap what you have just learned which of these statements is correct for an electrical synapse b Electrical synapses mean that there is a synaptic cleft between the presynaptic and postsynaptic cells c Electrical synapses are dependent on neurotransmitters traveling from presynaptic to the postsynaptic cell d Electrical synapses allow the flow of ions both ways between presynaptic and postsynaptic cells

E Output Efferent Pathway 1 What are the two divisions of the efferent PNS that to cells that respond in the periphery 2 efferent motor PNS divisions 2 Which of these divisions will carry signals from the heart Answer 3 What are the two subdivisions of the PNS that cont 2 efferent PNS subdivisions 4 Which of these two subdivisions would be active if y Answer

C Input Afferent Pathway 1 How are signals carried from senso CNS Answer 2 Which type of tissue carries signals What are the

Intro to Reflex Loop Predict the body responses if a tiger came clo increases 1 or decreases 1 A Response Heart rate Blood pressure Digestion Oxygen delivery Stimulus List the ways the tiger could stimulate the body stimulus examples in the next table B Sensor Receptor List the organs and cells that sense these stim tion you learned in Ana

According to the article sleep walking was long thought of as A a way for people to control their fear B the possibility of studying how a person sleeps OC signs of conscious thoughts of unresolved emotional conflict D the way of understanding oneself in a sleeping context

The membrane potential of a cell is defined as the difference in electrical charges across the cell membrane O is defined as a concentration gradient of glucose across the cell membrane O is helpful but NOT essential for the function of any cell in the human body cannot change once it has been established All of the above are correct

What are the 2 substances nerve cells can utilize for energy Choose 2 substances O Sodium O Ketones O Albumin O Glucose Question 2 1 pts

Which part of the nervous system is responsible for bowel and bladder elimination O sympathetic parasympathetic

com superficial to deep the meninges occur in which orde Multiple Choice O O O Dura mater pia mater arachnoid Dura mater arachnoid pia mater Pia mater dura mater arachnoid

Multiple Choice O O Receptors Stimuli Reflexes Glands Sense organs

The term nerve fiber refers to a n Multiple Choice nerve cell organelle in nerve cells organ axon bundle of macromolecules in nerve cells

Listen What is true of a monosynaptic reflex Contains interneurons Is intersegmental Is contralateral Is extremely fast Question 19 3 points Saved Listen Nodes of Schwann are gaps in the myelin sheath

The network of spinal nerves that serve the arms and shoulders is the Cervical plexus Brachial plexus Lumbosacral plexus Abdominal plexus Question 22 3 points Listen Which neurotransmitter causes skeletal muscle contraction Dopamine Nicotine Acetylcholine Clutomate

Listen The loss of neurons that secrete which neurotransmitter causes Parkinson s disease Dopamine Serotonin Acetylcholine Norepinephrine Question 8 3 points Listen Which neurons only have one process off the cell body Unipolar Bipolar Juny

17 The spindle apparatus and centrioles are made of A Mocrofilaments B DNA C Ribosomal RNA D Microtubules 9 Which of the following proteins form the icrofilaments A Actin B myosin C dynein D tubulin 18 Cell membrane receptors are usually what type of molecule A Phospholipid B Integral protein C Cholesterol DPeripheral protein 20 Which of the following proteins form the intermediate filaments Actin B desmin tubulin kinezin

As seen in the previous question anything that increases the effectiveness of a neurotransmitter is called a Select while anything that decreases the effectiveness of a Antagonist Agonist neurotra

In the early stages o Select Proliferation Synaptogenesis chemicals that are d Select 1 cells release firing and adjacent cells tend to Select activity produces a Post Synaptic response the Select generate positive chemical feedback which is Select cells participate of a growing axon and lead it to the next neuron in its pathway Such chemicals can also be Select developing muscles and organs Another group of neuro trophins produced during neuron Select are released when neurons show Select by their neighboring cells When such Synaptic cells the more adjacent

The action potential begins in the O soma axon and is transmitted to the O dendrites terminal buttons O end of the axon attached to the soma terminal buttons O terminal buttons end of the axon attached to the soma

2 1 12 20 The term nerve fiber refers to a an Multiple Choice O O organelle in nerve cells nerve cell axon organ

Which portion of the nervous system is pictured here Be exact Midbrain Modula C VII Vi XX Sphenopalatine Sup cere g Great splanchnic Submaxitary Small planchnic Superior mesenteric gang Pelvic nerve enor mesenteric ging O Ole FILE Lacrimal gland Mucous mom nose and palate Submaxillary gland sublingual gland Mucous mem mouth Parolid gland Heart Daches Bronchi Esophagus Stomach Blood ves of abd Liver and duda Pancreas Adrwal Largh Hatine xidey

Which of these changes could make a postsynaptic neuron more sensitive (produce a larger EPSP) to the same input? (Assume the neurotransmitter at this synapse is excitatory.) if the postsynaptic neuron increased the number of postsynaptic receptors for this NT if the presynaptic neuron started releasing more of its neurotransmitter (NT) both of these. none of these

Which of the following is incorrectly matched? bronchiole dilation in lungs; sympathetic penis ejaculation; sympathetic gallbladder contracts to expel bile; parasympathetic promotes urination; sympathetic

motor neurons can regulate muscle tone by altering spindle fiber sensitivity. gamma sympathetic alpha parasympathetic

Gamma motor neurons innervate cardiac muscle fibers extrafusal skeletal muscle fibers intrafusal skeletal muscle fibers smooth muscle cells

If the measured distance from the spinal nerve root to an EMG electrode on the surface of a muscle is 30 cm, the total path length you would use to caculate conduction velocity would be cm.

Neuromuscular junctions are located between a motor nerve axon and muscle fibers. A single motor nerve axons will supply one or more muscle fibers thus forming a 1) motor unit 2) myofibril 3) myosin filament (myofilament) 4) sarcomere

Which of the following describes the location of ganglia belonging to the sympathetic division of the ANS? a. Along the lateral sides of the vertebral column d. They are found in the lateral horns of the spinal cord. c. They are found next to or in visceral organs.

Name any organ of the body with dual innervation.

Identify the area of the brain responsible for initiating the impulse resulting in the contraction of skeletal muscle while you circle the correct answer on this exam. Visual association area Primary visual cortex Broca's Speech area Primary somatic motor cortex

Name the general area of the brain that fits this description: the area of the brain most recently evolved in mammalian history consisting of areas of the brain responsible for interpreting sensory information, coordinating motor output, and higher brain functions like thinking, curiosity, etc.

What is the name of the graph used to visualize brain waves? (please write out the term, half credit is awarded for the initialism).

According to the animation, "Thermoregulation", what two occur when the body gets too cold and help maintain the body's temperature. sweating and vasoconstriction of blood vessels. sweating and vasodilation of blood vessels. arrector pili muscles contracting and vasoconstriction of blood vessels arrector pili muscles contacting (goosebumps) and vasodilation of blood vessels