Anatomy & Physiology
5th Edition
ISBN: 9780321861580
Author: Marieb, Elaine N.
Publisher: Pearson College Div
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Chapter 11, Problem 8RQ
Summary Introduction
To determine:
The neuropeptides that act as natural opiates are
(a) Substance P
(b) Somatostatin and cholecystokinin
(c) Tachykinins
(d) Enkephalins
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Chapter 11 Solutions
Anatomy & Physiology
Ch. 11 - What is meant by integration, and does it...Ch. 11 - Which subdivision of the PNS is involved in (a)...Ch. 11 - Which type of neuroglia controls the extracellular...Ch. 11 - Which two types of neuroglia form insulating...Ch. 11 - MAKING CONNECTIONS Which part of the neuron is its...Ch. 11 - How does a nucleus within the brain differ from a...Ch. 11 - How is a myelin sheath formed in the CNS, and what...Ch. 11 - Which structural and functional type of neuron is...Ch. 11 - For an open channel, what factors determine in...Ch. 11 - For which cation is there the greatest amount of...
Ch. 11 - Which is bigger, a graded potential or an action...Ch. 11 - An action potential does not get smaller as it...Ch. 11 - Why does a myelinated axon conduct action...Ch. 11 - If an axon receives two stimuli close together in...Ch. 11 - What structure joins two neurons at an electrical...Ch. 11 - Events at a chemical synapse usually involve...Ch. 11 - Which ions flow through chemically gated channels...Ch. 11 - Prob. 18CYUCh. 11 - Prob. 19CYUCh. 11 - Why is cyclic AMP called a second messenger?Ch. 11 - Which types of neural circuits would give a...Ch. 11 - Prob. 22CYUCh. 11 - What pattern of neural processing occurs when we...Ch. 11 - Which of the following structures is not part of...Ch. 11 - Match the names of the supporting cells found in...Ch. 11 - Prob. 3RQCh. 11 - Assume that an EPSP is being generated on the...Ch. 11 - The velocity of nerve impulse conduction is...Ch. 11 - Chemical synapses are characterized by all of the...Ch. 11 - Biogenic amine neurotransmitters include all but...Ch. 11 - Prob. 8RQCh. 11 - Inhibition of acetylcholinesterase by poisoning...Ch. 11 - Prob. 10RQCh. 11 - An IPSP is inhibitory because (a) it...Ch. 11 - Identify the neuronal circuits described by...Ch. 11 - Explain both the anatomical and functional...Ch. 11 - (a) Describe the composition and function of the...Ch. 11 - (a) What is myelin? (b) How does the myelination...Ch. 11 - (a) Contrast unipolar, bipolar, and multipolar...Ch. 11 - What is the polarized membrane state? How is it...Ch. 11 - Describe the events that must occur to generate an...Ch. 11 - Prob. 19RQCh. 11 - (a) Explain the difference between an EPSP and an...Ch. 11 - Since at any moment a neuron is likely to have...Ch. 11 - The effects of neurotransmitter binding are very...Ch. 11 - Prob. 23RQCh. 11 - Prob. 24RQCh. 11 - Elaine Sawyer, 35, was on her way to the local...Ch. 11 - Elaine Sawyer, 35, was on her way to the local...Ch. 11 - Elaine Sawyer, 35, was on her way to the local...Ch. 11 - Elaine Sawyer, 35, was on her way to the local...Ch. 11 - Elaine Sawyer, 35, was on her way to the local...
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- Sarin gas is an inhibitor of acetylcholinesterase used in chemical warfare. Briefly (in 1 sentence or less) explain how sarin causes: a) increased urination b) tachycardia (rapid heartrate)arrow_forward42) which of the following is not a result of parasympathetic stimulation? a) elimination of urine b) salivation c) dry mouth d) increased peristalsis of the digestive systemarrow_forwardNeurotransmitters that influence the effect of other neurotransmitters when released at the same time are called: A) major neurotransmitters B) neuromodulators C) excitatory neurotransmitters D) inhibitory neurotransmittersarrow_forward
- Which of the following has the secondary property of positive allosteric modulation at nicotinic receptors? A) Galantamine B) Memantine C) Donepezil OD) Rivastigminearrow_forwardWhich of the following hormone is responsible for the activation of phospholipase C?a) Serotoninb) Cortisolc) Vasopressind) Adrenalinearrow_forward15. The termination of acetylcholine action is mainly due to: a) Reuptake by preganglionic neurons b) Diffusion from synaptic cleft c) Irreversible combination with cholinergic receptors d) Uptake by postsynaptic cell e) Cholinesterase in cholinergic synapsesarrow_forward
- 44) which of these effectors is not directly controlled by the autonomic nervous system? a) smooth muscle b) skeletal muscle c) most glands d) cardiac musclearrow_forward39. The portion of this tracing that is altered most by the activity of both the sympathetic and parasympathetic nervous systems is +30 T mV O A) - 30- -60 B) D A B. E C) OD) E)arrow_forwardWhich of the chemical messengers in the nervous system acts as a neuromodulator and has effects similar to opiates?arrow_forward
- What are the functions of epinephrine (adrenaline) and norepinephrine (noradrenaline) ?arrow_forwardwhich is not true of neurotransmitters? a) they cross the membrane through the channels and carry electrical signals down the length of the axon b) dopamine and serotonin are neurotransmitters c) they are released by axon terminals into the synaptic cleft?arrow_forwardwhat about the neurofascin?arrow_forward
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