Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
4th Edition
ISBN: 9781319154639
Author: Jay Phelan
Publisher: W.H. Freeman & Co
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 24, Problem 4MC
Summary Introduction
Introduction:
Dendrites act as the signal receptors of the neurons.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Which.of the following statements is WRONG?
Select one:
O a.
Nerve cells have excitable membranes
O b. Nerve cells typically have one axon and several dendrites
O C. Nerve cells can contact skeletal muscle cells
O d. Nerve cells can only be found, in humans (or mice), in the central nervous system
O e. Nerve cell bodies in the central nervous system are found in the grey matter
Which of the following statements is NOT true:
Select one:
O a. Nerve cells typically communicate with each other at synapses
Ob. Synaptic communication between nerve cells involves a soluble, chemical signal
OC. Synaptic communication between nerve cells is dependent upon regulated exocytosis.
O d. Synaptic communication can also occur if calcium ions are removed from the extracellular fluid.
Please note these are all one question group and should be answered as such!
Which of the following statements accurately defines epineurium?
A.
Fluid-filled space at a synapse through which neurotransmitters diffuse
B.
A vesicle containing neurotransmitters in the axon terminal of a neuron
C.
The CT sheath that binds together the groups of fascicles, blood vessels, and lymphatic vessels in a peripheral nerve
D.
The branch of the ANS that adapts the body for rest and digestion
Which of the following statements accurately defines sacral plexus?
A.
The ventral rami of C1–C4 (and a small contribution from C5) that serve the head and neck
B.
The ventral rami of L1–L4 that serve the pelvis and lower limb
C.
The ventral rami of C5–T1 that serve the upper limb
D.
The ventral rami of L4–S4 that serve the pelvis and lower limb
Glial cells far outnumber neurons and contribute roughly half the weight of the mammalian nervous system. What functions do glial cells perform in the peripheral nervous system and in the central ner-vous system?
Chapter 24 Solutions
Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Neurons contain ________, which can receive signals from other neurons. a. axons b. mitochondria c. dendrites d. Golgibodiesarrow_forwardSynaptic knobs :-a- synthesize different types of neurotransmittersb- release neurotransmitters by diffusion across their membranesc- have ligand-gated Ca ++d- are located at the terminal end of dendritesarrow_forwardMatch the description with the statement that best describes the following neural circuits. a single post-synaptic neuron receives input from multiple pre- synaptic neurons causes the stimulation of the post-synaptic neuron continually similar to a positive feedback response A. diverging circuits B. converging circuits C. reverberating circuits causes a longer lasting stimulus of the post-synaptic neuron D. parallel after discharge circuits a single pre-synaptic neuron synapses with multiple post-synaptic neurons Moving to another question will save this response. Photos A39 DEC 3 17 étvarrow_forward
- Which one is correct about the AP conduction velocity of nerve fiber A. Increase of the temperature within physiological limit will increase the conduction velocity. B. The fiber with big diameter always conducts faster. C. The increase of extracellular K+ will increase the conduction velocity D. Myelination of nerve fiber always decreases the conduction velocity. E. Anesthesia do not influence the conduction velocity.arrow_forwardExplain the communication between the central nervous system and peripheral nervous system as presented in the figure .arrow_forwardAnswer the question :arrow_forward
- The transmission of action potentials down a myelinated axon is faster but "saltatory" because of which of the following? A. the passive transmission of action potentials is faster but degrades the action potential B. voltage-gated sodium channels are only found in the Nodes of Ranvier C. active transmission of action potentials does not degrade the action potential but is slow D. A and C are correct E. all of the above are correctarrow_forwardV6arrow_forwarda. It monitors sensory impulses from internal organs. b. It is composed of brain and spinal cord c. It is the area where sensory information gets processed. d. It consist of sympathetic and parasympathetic subdivisions. e. It is made up sensory and motor divisions. f. It controls smooth muscles, cardiac muscles and glandular secretions during stressful situations. g. It controls voluntary movement of skeletal muscles. h. It dominates when resting after a meal. 1. CNS 2. PNS 3. Somatic NS 4. Sympathetic 5. Parasympathetic 6. Sensory division 7. Autonomic neural system 8. Visceral sensory receptors Check Answer a a a a a a a ល. a > < < < < <arrow_forward
- I. These forms the specialized junctions called synapse. A. Cell body B. Glial cells C. Synaptic terminal D. Neurotransmitters II. These are the gaps in the myelin sheath which is the site where signals are recharged as they travel down the axon. A. Neurotransmitters B. Axon hillock C. Dendrites D. Nodes of Ranvier III. These neurons form the local circuits that connect neurons in the brain A. Interneurons B. Axon hillock C. Dendrites D. Somaarrow_forwardUsing cable theory to describe axon conduction would tell us a. the larger the diameter of the axon the faster the propagation of the action potential b. the larger the diameter of the axon the slower the propagation of the action potential c. the smaller the diameter of the axon the faster the propagation of the action potential d. that having big axons is of no benefit and only takes up a lot of space e. the nervous system mainly has small axons because they are much faster than large onesarrow_forwardThe rate of information transmission from the central nervous system (CNS) to an effector organ will be slowed by... A. increasing the diameter of the axons B. increasing the number of nerve cells between the CNS and the effector organ C. adding a myelin sheath to the axons D. increasing the distance between the nodes of Ranvier E. None of the abovearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Biology: The Dynamic Science (MindTap Course List)BiologyISBN:9781305389892Author:Peter J. Russell, Paul E. Hertz, Beverly McMillanPublisher:Cengage LearningConcepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax CollegeHuman Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage Learning
Biology: The Dynamic Science (MindTap Course List)
Biology
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Cengage Learning
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
Human Physiology: From Cells to Systems (MindTap ...
Biology
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Cengage Learning
The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license