BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 42, Problem 4U
Inhibitory neurotransmitters
a. hyperpolarize postsynaptic membranes.
b. hyperpolarize presynaptic membranes.
c. depolarize postsynaptic membranes.
d. depolarize presynaptic membranes.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Glutamate's effect when it binds with protein receptors on the post synaptic membrane is to:
a. Initiate movement of potassium ions out of the membrane
b. Initiate movement of sodium ions into the membrane
c. Initiate movement of sodium ions out of the membrane
d. Initiate movement of potassium ions into the membrane
GABA is an example of an inhibitory neurotransmitter. Drugs that increase the level of GABA are used to treat diseases such as epilepsy where the signal transmission needs to be impaired.
The effect of the inhibitory neurotransmitter on the postsynaptic membrane is to:
a. hyperpolarize the postsynaptic membrane
b. decrease the threshold level
c. depolarize the postsynaptic membrane
d. maintain the resting potential
Calcium is vital for bone growth, but it's also an important part of neural transmission.
Calcium is required for the axon terminal to:
a. Reuptake the neurotransmitter via exocytosis
b. The neurotransmitter to be released by endocytosis
c. The neurotransmitter…
Mark the following statements as true or false. If a statement if false, correct it to make a true statement. a. An excitatory postsynaptic potential is caused by K+ or Clchannels opening in the membrane of the postsynaptic neuron. b. Postsynaptic potentials may summate by spatial summation in which multiple neurons fire onto a single postsynaptic neuron. c. An inhibitory postsynaptic potential causes the membrane potential of the postsynaptic neuron to approach threshold. d. Spatial summation can combine two EPSPs, two IPSPs, or an EPSP and an IPSP
Hyperpolarization of the postsynaptic membrane in response to glycine or GABA is produced by the opening of a. Na+channels. b.K+channels. c.Ca 2+ channels. d.Cl− channels.
Chapter 42 Solutions
BIOLOGY
Ch. 42.1 - Differentiate between subdivisions of the...Ch. 42.1 - Prob. 2LOCh. 42.1 - Explain the roles of the different nervous system...Ch. 42.2 - Contrast the relative concentrations of important...Ch. 42.2 - Prob. 2LOCh. 42.2 - Prob. 3LOCh. 42.3 - Prob. 1LOCh. 42.3 - Prob. 2LOCh. 42.3 - Prob. 3LOCh. 42.4 - Prob. 1LO
Ch. 42.4 - Prob. 2LOCh. 42.4 - Prob. 3LOCh. 42.5 - Describe the organization of the peripheral...Ch. 42.5 - Prob. 2LOCh. 42.5 - Prob. 3LOCh. 42.5 - Prob. 4LOCh. 42 - Data analysis Draw the resulting potentials for...Ch. 42 - Prob. 2DACh. 42 - Which of the following best describes the...Ch. 42 - The ____ cannot be controlled by conscious...Ch. 42 - Prob. 3UCh. 42 - Inhibitory neurotransmitters a. hyperpolarize...Ch. 42 - White matter is ______, and gray matter is...Ch. 42 - During an action potential a. the rising phase is...Ch. 42 - Prob. 7UCh. 42 - Imagine that you are doing an experiment on the...Ch. 42 - The Na+/K+ ATPase pump is a. not required for...Ch. 42 - Prob. 3ACh. 42 - The following is a list of the components of a...Ch. 42 - Prob. 5ACh. 42 - As you sit quietly reading this sentence, the part...Ch. 42 - G proteincoupled receptors are involved in the...Ch. 42 - Tetraethylammonium (TEA) is a drug that blocks...Ch. 42 - Describe the status of the Na+ and K+ channels at...Ch. 42 - Describe the steps required to produce an...Ch. 42 - Prob. 4S
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
- Identify the following as properties of electrical synapses (ES), chemical synapses (CS), or both (B). a. _____ The plasma membranes of presynaptic and postsynaptic neurons are joined by gap junctions. b. _____ Transmission is unidirectional and delayed. c. _____ A presynaptic neuron and a postsynaptic neuron are involved. d. _____ The use of neurotransmitters packaged into synaptic vesicles is required. e. _____ Transmission is nearly instantaneous and bidirectionarrow_forwardSelect ALL statements that are TRUE regarding a drug that would inactivate the enzyme acetylcholinesterase A. Prevent acetylcholine from being loaded into synaptic vesicles B. Prolong the effects of acetylcholine in the synapse C. Terminate the effects of acetylcholine in the synapse D. Speed up the synthesis of acetylcholine E. Reduce the reuptake of choline back into the axon terminalarrow_forwardGABA is an example of an inhibitory neurotransmitter. Drugs that increase the level of GABA are used to treat diseases such as epilepsy where the signal transmission needs to be impaired. The effect of the inhibitory neurotransmitter on the postsynaptic membrane is to: Select one: a. decrease the threshold level b. hyperpolarize the postsynaptic membrane c. depolarize the postsynaptic membrane d. maintain the resting potentialarrow_forward
- A neurotransmitter called "GABA" decreases the rate of action potential generation in neurons, but the effect can be overridden by excitatory neurotransmitters. Alcohol binds to the GABA receptor and has the same effect. Alcohol must Select one: a. Cause depolarization in neurons b. Cause hyperpolarization in neurons c. Block calcium entry at the axon terminus d. Block voltage-gated sodium channelsarrow_forwardRepolarization of an axon during an action potential is produced by a. inward diffusion of Na+. b. active extrusion of K+. c. outward diffusion of K+. d. inward active transport of Na+.arrow_forwardPostsynaptic potential’s are graded potential’s that develop in the postsynaptic membrane. If the release of a neurotransmitter at a post synaptic membrane leads to hyper polarization, this event is referred to as A. EPSP B. ISIP C. Summation D. Facilitation An individual EPSP usually only produces a slight depolarization of the postsynaptic membrane. If multiple stimuli arrive in rapid succession at a single synapse, this can lead to the generation of an action potential. This mode of generating action potentials is referred to as A. Spatial summation B. Facilitation c. Temporal summation D. Inhibition arrow_forward
- Postsynaptic potential’s are graded potential’s that develop in the postsynaptic membrane. If the release of a neurotransmitter at a post synaptic membrane leads to hyper polarization, this event is referred to as A. EPSP B. ISIP C. Summation D. Facilitationarrow_forwardLidocaine is an anesthetic that is used to prevent the propagation of action potentials. Which compartment would lidocaine MOST likely target? A. axon B. dendrite C. soma D. synaptic cleftarrow_forwardLike many neurotransmitters, serotonin (5-HT) can have different postsynaptic effects on different neurons. Which of the following is the best explanation for these differences? a. There are several types of postsynaptic receptors for serotonin b. The brain releases different forms of serotonin at different synapses c. It depends whether it is an original serotonin molecule or one that has been recycled d. The width of the synaptic cleft varies from one synapse to another Which chromosomal pattern is conisdered typical of male humans? a. XYY b. XX c. YY d. XYarrow_forward
- Relatively high velocity (speed) action potential propagation is a feature of axons that have which of the following: a. additional mitochondria b. reduced absolute refractory period c. fewer potassium channels d. a myelin sheath Which effect listed below would characterize the drug as a serotonin agonist? a. Stimulating monoamine oxidase to reduce available serotonin b. Binding and activating a postsynaptic serotonin receptor c. Increasing the efficiency of a serotonin transporterarrow_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_forwardAt an electrical synapse, presynaptic and postsynaptic membranes interface through a. neurofibril nodes. b. gap junctions. c. telodendria. d. neurotransmitters.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Human Anatomy & Physiology (11th Edition)BiologyISBN:9780134580999Author:Elaine N. Marieb, Katja N. HoehnPublisher:PEARSON
Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Anatomy & PhysiologyBiologyISBN:9781259398629Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa StouterPublisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)BiologyISBN:9780815344322Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter WalterPublisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & PhysiologyBiologyISBN:9781260159363Author:Martin, Terry R., Prentice-craver, CynthiaPublisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)BiologyISBN:9781260231700Author:Sylvia S. Mader, Michael WindelspechtPublisher:McGraw Hill Education
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:PEARSON
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Anatomy & Physiology
Biology
ISBN:9781259398629
Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:9780815344322
Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:9781260159363
Author:Martin, Terry R., Prentice-craver, Cynthia
Publisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Biology
ISBN:9781260231700
Author:Sylvia S. Mader, Michael Windelspecht
Publisher:McGraw Hill Education
Nervous System - Get to know our nervous system a bit closer, how does it works? | Neurology; Author: FreeMedEducation;https://www.youtube.com/watch?v=6O-0CVAgaEM;License: Standard youtube license