Straighterline Anatomy and Physiology 1 BIO201 Topic 11: Functional Organization of Nervous Tissue Quiz 2023

Straighterline Anatomy and Physiology 1 BIO201 Topic 11: Functional Organization of Nervous Tissue Quiz 2023 Hello We are a team of experts offering course attendance for all Straighterline, Portage Learning, Sophia etc courses. We also write essays, research papers and school assignments. Should you need any of these services, Contact us via email: or : +1 (908) 954-4829. Guaranteed Passing!!  BIO201_MH_V3  Topic 11: Functional Organization of Nervous Tissue Started on Saturday, June 10, 2023, 8:04 AM State Finished Completed on Saturday, June 10, 2023, 8:27 AM Time taken 23 mins 17 secs Grade 35.00 out of 35.00 (100%) Question 1 Correct 1.75 points out of 1.75 Flag question Question text Synapses in which gap junctions allow ions to diffuse quickly from cell to cell are called ______ synapses. Select one:a. electrical b. chemical Question 2 Correct 1.75 points out of 1.75 Flag question Question text A change in the resting membrane potential has the following characteristics (non-propagated, graded, can summate). This type of change can Select one: a. be a local potential. b. be an action potential. c. be a consequence of an increase in the permeability to Na+. d. result in repolarization. e. be a local potential and a consequence of an increase in the permeability to Na+. Question 3 Correct 1.75 points out of 1.75 Flag question Question text In some cells, an afterpotential occurs because Select one: a. the sodium ions continue to enter the cell after depolarization is finished. b. there is prolonged, elevated permeability to potassium during repolarization. c. the sodium-potassium pump is actively exchanging ions across the membrane. d. the extracellular Na+ ion concentration is reduced. e. the permeability to sodium continues longer than necessary. Question 4 Correct1.75 points out of 1.75 Flag question Question text Continuous conduction of an action potential means that Select one: a. once one action potential is created, it moves down the axon. b. the whole axon depolarizes at the same time. c. one action potential stimulates the production of a new action potential at the adjacent site. d. an action potential is conducted from one node of Ranvier to the next node. Question 5 Correct 1.75 points out of 1.75 Flag question Question text When two action potentials arrive simultaneously at two different presynaptic terminals that synapse with the same postsynaptic neuron, Select one: a. the direction of the action potential is reversed. b. temporal summation occurs. c. spatial summation occurs. d. hyperpolarization occurs. e. threshold is never reached. Question 6 Correct 1.75 points out of 1.75 Flag question Question textReceptor molecules in synapses Select one: a. tend to concentrate on presynaptic terminals. b. bind irreversibly with neurotransmitter. c. have a high degree of specificity. d. serve as channel proteins. e. can bind to any molecule in the synapse. Question 7 Correct 1.75 points out of 1.75 Flag question Question text Saltatory conduction of an action potential means that Select one: a. once one action potential is created, it moves down the axon. b. the whole axon depolarizes at the same time. c. one action potential stimulates the production of a new action potential at the adjacent site. d. an action potential is conducted from one node of Ranvier to the next node. Question 8 Correct 1.75 points out of 1.75 Flag question Question text The respiratory center of the brain (taking into account input from chemoreceptors, pulmonary stretch receptors and higher centers of the brain to determine respiratory output) is an example of a ______ circuit. Select one: a. converging b. divergingc. parallel after-discharge d. reverberating Question 9 Correct 1.75 points out of 1.75 Flag question Question text Identify the statement that best differentiates gray matter and white matter. Select one: a. Gray matter consists of cell bodies and dendrites whereas white matter consists mostly of myelinated axons b. Gray matter consists of all parts of neurons and white matter is mostly glial cells. c. Gray matter consists of bundles of axons and white matter consists of groups of cell bodies and dendrites. Question 10 Correct 1.75 points out of 1.75 Flag question Question text Multiple sclerosis is a neurological disorder in which myelin sheaths in the CNS are destroyed. Which of the following neuroglial cells is being damaged in multiple sclerosis? Select one: a. astrocyte b. microglial cell c. oligodendrocyte d. ependymal cell e. Schwann cells Question 11 Correct 1.75 points out of 1.75Flag question Question textIdentify structure "A" on the neuron. Select one: a. Schwann cell b. Node of Ranvier c. neuron cell body (soma) d. dendrites e. axon Question 12 Correct 1.75 points out of 1.75 Flag question Question text Which of the following is true? Select one: a. Unmyelinated axons rest in invaginations of Schwann cells or oligodendrocytes.. b. Myelination will not influence the speed of conduction of action potentials. c. The myelin sheath inhibits the flow of electrical charges at nodes. d. The myelin sheath is a protein wrapping. e. The myelin sheath does not electrically insulate the axons from one another. Question 13 Correct 1.75 points out of 1.75 Flag question Question textThe figure is a process figure of the chemical synapse. What does "D" represent? Select one: a. postsynaptic membrane b. synaptic cleft c. synaptic vesicle d. voltage-gated calcium channel e. presynaptic terminal Question 14 Correct 1.75 points out of 1.75 Flag question Question text There are _____ pairs of cranial nerves and _____ pairs of spinal nerves. Select one: a. 10; 30 b. 31; 12 c. 12; 31 d. 30; 10 e. 12; 32 Question 15 Correct 1.75 points out of 1.75 Flag question Question text The central nervous system Select one: a. is the site for processing information.b. initiates visual and auditory stimuli. c. consists of 43 pairs of nerves. d. is totally involuntary. e. does not interact with the peripheral nervous system. Question 16 Correct 1.75 points out of 1.75 Flag question Question text A neuron within the central nervous system that carries action potentials from one neuron to another is called a(n)____________. Select one: a. motor neuron b. sensory neuron c. afferent neuron d. efferent neuron e. interneuron Question 17 Correct 1.75 points out of 1.75 Flag question Question text A neuron that conducts pain sensations to the central nervous system would be classified as a(n) Select one: a. motor neuron. b. sensory or afferent neuron. c. efferent neuron. d. association neuron. e. interneuron.Question 18 Correct 1.75 points out of 1.75 Flag question Question text Which of the following is mismatched? Select one: a. central nervous system - brain b. autonomic nervous system - sympathetic and parasympathetic divisions c. peripheral nervous system - spinal nerves d. somatic nervous system - sensory division of PNS e. peripheral nervous system - sensory and motor divisions Question 19 Correct 1.75 points out of 1.75 Flag question Question text Digestion of food is regulated by the Select one: a. sensory division. b. sympathetic division of the ANS. c. parasympathetic division of the ANS. d. somatic nervous system. e. None of these choices are correct. Question 20 Correct 1.75 points out of 1.75Flag question Question text The enteric nervous system consists of plexuses within the walls of the Select one: a. brain. b. spinal cord. c. digestive tract. d. urinary bladde