QUESTION 13 Compared to electrical synapses, chemical synapses are O less O more QUESTION 14 The response to a neurotransmitter binding to an ionotropic receptor is O slower O faster QUESTION 15 Nicotinic cholinergic receptors are: O metabotropic and always excitatory O metabotropic O always excitatory O none of the other answers QUESTION 16 During the action potential, voltage-gated K* channels: O open as the voltage-gated Na+ channels close O do not open at all O open before the voltage-gated Na* channels open open after all the voltage-gated Na+ channels close likely to be bidirectional. than the response to a neurotransmitter binding to a metabotropic receptor.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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QUESTION 13
Compared to electrical synapses, chemical synapses are
O less
O more
QUESTION 14
The response to a neurotransmitter binding to an ionotropic receptor is
O slower
O faster
QUESTION 15
Nicotinic cholinergic receptors are:
O metabotropic and always excitatory
O metabotropic
O always excitatory
O none of the other answers
QUESTION 16
During the action potential, voltage-gated K+ channels:
open as the voltage-gated Na+ channels close
do not open at all
open before the voltage-gated Na+ channels open
open after all the voltage-gated Na+ channels close
likely to be bidirectional.
than the response to a neurotransmitter binding to a metabotropic receptor.
Transcribed Image Text:QUESTION 13 Compared to electrical synapses, chemical synapses are O less O more QUESTION 14 The response to a neurotransmitter binding to an ionotropic receptor is O slower O faster QUESTION 15 Nicotinic cholinergic receptors are: O metabotropic and always excitatory O metabotropic O always excitatory O none of the other answers QUESTION 16 During the action potential, voltage-gated K+ channels: open as the voltage-gated Na+ channels close do not open at all open before the voltage-gated Na+ channels open open after all the voltage-gated Na+ channels close likely to be bidirectional. than the response to a neurotransmitter binding to a metabotropic receptor.
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Step 1: Introduction

Neurons are specialized cells that transmit electrical and chemical signals in the nervous system. They have a cell body, dendrites (which receive signals), an axon (which sends signals), and communicate at synapses. Neurons enable all communication and coordination in the nervous system, including sensory perception, movement, and thinking.

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