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- 1. Multiple ChoiceThe long, fiber like part of a neuron which the cell sends information to receiving neuronsaxondendriteaxon terminalgene
- 2. Multiple ChoiceThis releases neurotransmitters which are sent into the synaptic cleft for receptors on the dendrite to tasteaxonaxon terminalgeneneuron
- 3. Multiple ChoiceA network of branches coming from individual cells. They carry information and electrical signals in the brain and nervous systemaxonaxon terminaldendriteneuron
- 4. Multiple ChoiceA nerve cell that is the basic working unit of the brain and nervous system which processes and transmits informationaxonneurondendriteneurotransmitter
- 5. Multiple ChoiceThis insulating material forms a layer, around the axon of a neuron. It enables electrical signals to travel down the axon at higher speeds.neuronmyelin sheathdendriteneurotransmitter
- 6. Multiple ChoiceA chemical produced by neurons that carries messages to other neuronsmyelin sheathneurotransmitteraxonaxon terminal
- 7. Multiple ChoiceThe tiny gap between neurons where nerve impulses are sent from one neuron to another. It is where communication occurs between an axon and dendritesynapseaxon terminalimpulsemyelin
- 8. Multiple ChoiceWhat is the brain made of?Nerve tissueBrain tissueCortex tissueStem tissue
- 9. Multiple ChoiceThese carry signals from tissues and organs to the brain and spinal cordSensory NeuronsMotor NeuronsEfferent NeuronsGlial Cells
- 10. Multiple ChoiceThese connect Sensory and Motor Neurons to each other and are located in the brain and spinal cordSensory NeuronsMotor NeuronsInterneuronsAfferent Neurons
- 11. Multiple ChoiceThese receive messages and conduct impulses to the Cell BodyAxonEnd BulbsDendritesMyelin Sheath
- 12. Multiple ChoiceThis is a fatty layer that prevents interference and increases the speed of impulses going down the axonDendritesNodes of RanvierMyelin SheathEnd Bulbs
- 13. Multiple ChoiceThis is composed of Sensory and Motor Neurons everywhere in the body EXCEPT brain and spinal cordPeripheral Nervous SystemCentral Nervous System
- 14. Multiple ChoiceAfter a stimulus is received by a receptor, an impulse is directly transmitted to which of the followingintegration centerafferent neuronefferent neuroneffector
- 15. Multiple ChoiceWhich neurons act to connect a sensory neuron to a motor neuron?interneuronafferentefferentmotor
- 16. Multiple ChoiceCNSCentral Neck SystemCentral Nervous SystemCentral Nerve SystemCranial Nervous System
- 17. Multiple Choicealso known as motor nerves...dendritesafferent nervesbonesefferent nerves
- 18. Multiple Choiceneurons have a nucleus.truefalse
- 19. Multiple Choicewhat are the 2 types of nerves?sensory nerves and motor nervessensory nerves and circular nervesmotor nerves and circular nervescircular nerves and octular nervs
- 20. Multiple ChoiceThe brain is part of the _____ nervous system.centralperipheralautonomicsubconcious
- 21. Multiple Choice
Label the Neuron-What does the letter "H" represent?Schwann CellAxonAxon TerminalDendrite - 22. Multiple ChoiceLabel the Neuron-What does the letter "G"
represent?Axon TerminalNode of RanvierNucleusMyelin Sheath - 23. Multiple ChoiceLabel the Neuron-What does the letter "E" represent?Schwann CellNode of RanvierAxon TerminalMyelin Sheath
- 24. Multiple ChoiceThe ______________ potential is electrical in nature and is "all or none"gradedsummativeactionkinetic
- 25. Multiple ChoiceThe ________________ potential is summative in nature.actionrefractorysaltatorygraded
- 26. Multiple ChoiceMembrane potential is related to which electrical concept?ResistanceVoltageCurrentPower
- 27. Multiple ChoiceWhich of the following is responsible for getting large or charged (polar) molecules across the cell membrane?ABCD
- 28. Multiple ChoiceHydrophilic portion of cell membrane?ABCE
D - 29. Multiple ChoiceHydrophobic region of the cell membrane?ABCD
- 30. Multiple ChoiceHydrophilic means...water-lovingwater-fearingnonpolarlipid soluble
- 31. Multiple ChoiceWhat forms the channels and pumps in the phospholipid bilayer?carbohydratesproteinshydrophilic headslipids
- 32. Multiple ChoiceWhat does "bilayer" mean?one layertwo layerslaminatedbilateral
- 33. Multiple ChoicePhospholipid heads are...HydrophobicHydrophilic
- 34. Multiple ChoiceWhen a neuron is resting, the inside of the axon has a ____________ charge.positivenegative
- 35. Multiple ChoiceWhen a neuron is not engaged in an impulse.Resting potentialAction potentialNeural potentialSynaptic potential
- 36. Multiple ChoiceWhich ions are involved in the electrical nerve impulse?Iodine and SodiumPotassium and SodiumIron and SodiumCalcium and Iodine
- 37. Multiple ChoiceWhen a neuron is in the resting state, the intracellular space has a charge of about-55 mV70 mV30 mV-70 mV
- 38. Multiple ChoiceThe sodium-potassium pump usually pumpspotassium out of the cellsodium out of the cellsodium into the cellboth potassium and sodium into the cell
- 39. Multiple ChoiceWhich type of transport requires an input of energy?Passive TransportOsmosisSimple DiffusionActive Transport
- 40. Multiple ChoiceName the ion that is pumped into the axon to maintain resting potential.CalciumHydrogenPotassiumSodium
- 41. Multiple ChoiceWhat maintains the resting membrane potential?Na/K pumpIon ChannelsDepolarizationHyperpolarization
- 42. Multiple ChoiceIn resting potential, neurons have more _________ on the outside of the cell membrane.K+NaClNa+Cl-
- 43. Multiple ChoiceActive transport requires ___ to provide energy that cells need to move against the gradient.ATPWaterOxygenCarbon dioxide
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