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B. interrupted signals.C. incomplete transfer.D. repolarization.E. saltatory conduction.Blooms Level: RememberFigure: 44.11Raven - Chapter 44 #34Section: 44.02Topic: Animals35. The gap into which neurotransmitters are released by the arrival of an impulse is called a(n)A. gap junction.B. synaptic cleft.C. postsynaptic membrane.D. presynaptic membrane.E. impulse channel.Blooms Level: RememberFigure: 44.13Raven - Chapter 44 #35Section: 44.03Topic: Animals36. At the vertebrate neuromuscular junction, correctly order the following reactions.I-Muscle fiber membrane is depolarized.II-Action potentials are generated in the neuron.III-Stimulation of the entry of Ca
2+into the neuron.IV-Release of acetylcholine into the synapse.A. I, II, III, IVB. III, II, IV, IC. I, III, IV, IID. IV, II,III, IE. II, III, IV, IBlooms Level: AnalyzeFigure: 44.14Raven - Chapter 44 #36Section: 44.03Topic: Animals37. The major subdivisions of the CNS are paired with their function. Select the mismatched pairing.A. Medulla oblongata—sensory nucleiB. Pons—reticular activating systemC. Cerebellum—relay station for ascending sensory and descending tractsD. Corpus callosum—connects the two brain hemispheresE. Hippocampus—memoryRaven - Chapter 44 #37Section: 44.04Topic: Animals38. Biogenic amines includeA. epinephrine and norepinephrine.B. dopamine and serotonin.C. glycine and GABA.D. epinephrine, norepinephrine, dopamine, serotonin, glycine, and GABA.E. epinephrine, norepinephrine, dopamine, and serotonin.Blooms Level: Remember
Raven - Chapter 44 #38Section: 44.03Topic: Animals39. Place the following events involved in drug addiction, in sequence.I-The synapse is less sensitive when the drug is removed, normal functioning can only ensue bycontinuing to take the drug.II-CNS responds to increased firing by decreasing the number of receptors.III-Drug molecule prevents reabsorption and causes overstimulation of post-synapticmembrane.A. I, II, IIIB. III, II, IC. II, III, ID. III, I, IIBlooms Level: AnalyzeFigure: 44.18Raven - Chapter 44 #39Section: 44.03Topic: Animals40. Which of the following multicellular animals lack nerves?A. spongesB. cnidariansC. platyhelminthesD. arthropodsE. reptiliansBlooms Level: RememberFigure: 44.19Raven - Chapter 44 #40Section: 44.04Topic: Animals
41. The autonomic nervous system regulates the activity of all of the following exceptA. skeletal muscles.B. cardiac muscles.C. glands of the body.D. smooth muscles.E. none of theseBlooms Level: RememberFigure: 44.31Raven - Chapter 44 #41Section: 44.05Topic: AnimalsTopic: Cells42. Contemporary vertebrate brains are composed ofA. rhombencephalon and prosencephalon.B. mesencephalon and rhombencephalon.C. prosencephalon and metencephalon.D. metencephalon, rhombencephalon, and prosencephalon.E. rhombencephalon, mesencephalon, and prosencephalon.Blooms Level: RememberFigure: 44.20Raven - Chapter 44 #42Section: 44.04Topic: Animals43. The hindbrain consists of all of the following except theA. pons and cerebellum.