5/14/2020 Topic 11 Graded Quiz https://moodle.straighterline.com/mod/quiz/review.php?attempt=3165231 1/14 BIO201_MH_V3 | Topic 11: Functional Organization
... [Show More] of Nervous Tissue (877) 787-8375 HELP CENTER Question 1 Correct 1.75 points out of 1.75 Question 2 Correct 1.75 points out of 1.75 Started on Sunday, April 19, 2020, 11:11 PM State Finished Completed on Sunday, April 19, 2020, 11:41 PM Time taken 29 mins 50 secs Grade 29.75 out of 35.00 (85%) Neurotransmitters Select one: a. stimulate presynaptic terminals. b. remain in the synaptic cleft for long periods of time. c. bind irreversibly to the receptor molecules of the postsynaptic membrane. d. cause the production of action potentials in the postsynaptic membrane. e. do not affect membrane channels in the postsynaptic membrane. The correct answer is: cause the production of action potentials in the postsynaptic membrane. Synapses in which gap junctions allow ions to diffuse quickly from cell to cell are called ______ synapses. Select one: a. electrical b. chemical The correct answer is: electrical contact: [email protected] 5/14/2020 Topic 11 Graded Quiz https://moodle.straighterline.com/mod/quiz/review.php?attempt=3165231 2/14 Question 3 Incorrect 0.00 points out of 1.75 Question 4 Correct 1.75 points out of 1.75 Monamine oxidase inhibitors (MAO inhibitors) Select one: a. prevent synaptic transmission. b. enhance the breakdown of norepinephrine. c. enhance the binding of norepinephrine to its receptors. d. prevent the release of norepinephrine by the presynaptic terminal. e. have no effect on the action of norepinephrine. The correct answer is: enhance the binding of norepinephrine to its receptors. Rapid removal or destruction of neurotransmitter in the synaptic cleft Select one: a. may affect the ability of the postsynaptic membrane to generate action potentials. b. generates local potentials in the presynaptic terminal. c. is necessary for synaptic transmission. d. may lead to action potentials. e. may stop exocytosis. The correct answer is: may affect the ability of the postsynaptic membrane to generate action potentials. 5/14/2020 Topic 11 Graded Quiz https://moodle.straighterline.com/mod/quiz/review.php?attempt=3165231 3/14 Question 5 Correct 1.75 points out of 1.75 Question 6 Correct 1.75 points out of 1.75 Receptor molecules in synapses Select one: a. tend to concentrate on presynaptic terminals. b. bind irreversibly with neurotransmitter. c. have a high degree of specicity. d. serve as channel proteins. e. can bind to any molecule in the synapse. The correct answer is: have a high degree of specicity. In hyperpolarization Select one: a. K+ ions tend to diffuse out of the cell. b. the plasma membrane's permeability to K+ decreases. c. the resting membrane potential moves closer to zero. d. Na+ ions enter the cell in large numbers. e. the resting membrane potential becomes more positive. The correct answer is: K+ ions tend to diffuse out of the cell. 5/14/2020 Topic 11 Graded Quiz https://moodle.straighterline.com/mod/quiz/review.php?attempt=3165231 4/14 Question 7 Correct 1.75 points out of 1.75 In an EPSP (excitatory postsynaptic potential), there is a Select one: a. net movement of sodium ions out of the cells. b. net movement of chloride ions into the cells. c. decrease in action potential amplitude. d. local hyperpolarization. e. local depolarization. The correct answer is: local depolarization. 5/14/2020 Topic 11 Graded Quiz https://moodle.straighterline.com/mod/quiz/review.php?attempt=3165231 5/14 Question 8 Correct 1.75 points out of 1.75 5/14/2020 Topic 11 Graded Quiz https://moodle.straighterline.com/mod/quiz/review.php?attempt=3165231 6/14 Question 9 Correct 1.75 points out of 1.75 Identify structure "A" on the neuron. Select one: a. Schwann cell b. Node of Ranvier c. neuron cell body (soma) d. dendrites e. axon The correct answer is: dendrites Which of the following is NOT a neuroglia of the CNS? Select one: a. ependymal cells b. satellite cells c. oligodendrocytes d. astrocytes The correct answer is: satellite cells 5/14/2020 Topic 11 Graded Quiz https://moodle.straighterline.com/mod/quiz/review.php?attempt=3165231 7/14 Question 10 Incorrect 0.00 points out of 1.75 Question 11 Correct 1.75 points out of 1.75 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. The correct answer is: Gray matter consists of cell bodies and dendrites whereas white matter consists mostly of myelinated axons Which of the following statements regarding neuroglia is false? Select one: a. Neuroglia serve as the major supporting tissue in the CNS. b. Neuroglia form part of the blood-brain barrier. c. Neuroglia produce action potentials for skeletal muscles. d. Neuroglia form myelin sheaths around some axons. e. Neuroglia produce cerebrospinal uid. The correct answer is: Neuroglia produce action potentials for skeletal muscles. 5/14/2020 Topic 11 Graded Quiz https://moodle.straighterline.com/mod/quiz/review.php?attempt=3165231 8/14 Question 12 Correct 1.75 points out of 1.75 Protein synthesis in neurons occurs in Select one: a. axons. b. dendrites. c. cell bodies or soma. d. terminal boutons. e. node of Ranvier. The correct answer is: cell bodies or soma. 5/14/2020 Topic 11 Graded Quiz https://moodle.straighterline.com/mod/quiz/review.php?attempt=3165231 9/14 Question 13 Correct 1.75 points out of 1.75 5/14/2020 Topic 11 Graded Quiz https://moodle.straighterline.com/mod/quiz/review.php?attempt=3165231 10/14 Question 14 Correct 1.75 points out of 1.75 Identify structure "B" on the neuron. Select one: a. Schwann cell b. Node of Ranvier c. neuron cell body (soma) d. dendrites e. axon The correct answer is: neuron cell body (soma) Cell bodies of the peripheral nervous system are located in Select one: a. ganglia. b. Schwann cells. c. the motor division. d. the sensory division. e. nerves. The correct answer is: ganglia. 5/14/2020 Topic 11 Graded Quiz https://moodle.straighterline.com/mod/quiz/review.php?attempt=3165231 11/14 Question 15 Correct 1.75 points out of 1.75 Question 16 Correct 1.75 points out of 1.75 A neuron that conducts pain sensations to the central nervous system would be classied as a(n) Select one: a. motor neuron. b. sensory or afferent neuron. c. efferent neuron. d. association neuron. e. interneuron. The correct answer is: sensory or afferent neuron. Hydrocephaly is a condition whereby cerebrospinal uid accumulates around the brain. What supportive cells continue CSF production despite it backing up in the subarachnoid space? Select one: a. astrocytes b. microglial cells c. oligodendrocytes d. macrophages e. ependymal cells The correct answer is: ependymal cells 5/14/2020 Topic 11 Graded Quiz https://moodle.straighterline.com/mod/quiz/review.php?attempt=3165231 12/14 Question 17 Correct 1.75 points out of 1.75 Question 18 Correct 1.75 points out of 1.75 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 The correct answer is: somatic nervous system - sensory division of PNS 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. The correct answer is: is the site for processing information. 5/14/2020 Topic 11 Graded Quiz https://moodle.straighterline.com/mod/quiz/review.php?attempt=3165231 13/14 Question 19 Incorrect 0.00 points out of 1.75 Question 20 Correct 1.75 points out of 1.75 The autonomic nervous system Select one: a. stimulates skeletal muscle contractions. b. has two sets of neurons in a series. c. is involved in problem solving. d. is under voluntary control. e. does not include the central nervous system. The correct answer is: has two sets of neurons in a series. The enteric nervous system consists of plexuses within the walls of the Select one: a. brain. b. spinal cord. c. digestive tract. d. urinary bladder. The correct answer is: digestive tract. Quiz navigation Show one page at a time Finish review 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 5/14/2020 Topic 11 Graded Quiz https://moodle.straighterline.com/mod/quiz/review.php?attempt=3165231 14/14 Questions? 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