BIO201 Topic 11: Functional Organization of Nervous Tissue[ALL ANSWERS 100% CORRECT]

Document Content and Description Below

Page path  BIO201_MH_V3  Topic 11: Functional Organization of Nervous Tissue Started on Saturday, March 26, 2022, 8:08 AM State Finished Completed on Saturday, March 26, 2022, 8:37 AM Time... taken 29 mins 3 secs Grade 35.00 out of 35.00 (100%) Question 1 Correct 1.75 points out of 1.75 Flag question Question text 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. Question 2 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 3 Correct 1.75 points out of 1.75 Flag question Question text Mr. Miller has been hospitalized for the flu. The flu virus increases membrane permeability to potassium. You would expect his cells to Select one: a. depolarize. b. repolarize. c. isopolarize. d. hyperpolarize. e. hypopolarize. Question 4 Correct 1.75 points out of 1.75 Flag question Question text Compounds classified as ______ alter synaptic transmission by changing neurotransmitter receptor numbers or affecting the breakdown and/or removal of neurotransmitter. Select one: a. neuromodulators b. inhibitory neurotrasnmitters c. excitatory neurotransmitters d. neurohormones Question 5 Correct 1.75 points out of 1.75 Flag question Question text If the ECF around a nerve cell is replaced with an isotonic saline solution that contains potassium ions and other solutes at concentrations very close to the ECF concentrations of a normal cell, the result is Select one: a. no resting membrane potential. b. hyperpolarized membrane. c. depolarized membrane. d. a resting membrane potential close to its normal value. e. None of these choices is correct. Question 6 Correct 1.75 points out of 1.75 [Show More]

Last updated: 2 years ago

Preview 1 out of 13 pages

Buy Now

Instant download

We Accept:

Buy this document to get the full access instantly

Instant Download Access after purchase

Buy Now

Instant download

We Accept:

Report Copyright Violation

Also available in bundle (1)

BIO201 EXAMS[LATEST WITH VERIFIED SOLUTIONS]

BIO201 Topic 10: Muscular System Gross Anatomy[ALL ANSWERS 100% CORRECT] BIO201 Topic 11: Functional Organization of Nervous Tissue[ALL ANSWERS 100% CORRECT] BIO201 Topic 12: Spinal Cord, Spindal Ne...

By QuizMaster82 2 years ago

$19