Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Chapter 11, Problem 8MC
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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Please explain
Discuss the concept of termination of neurotransmitter action by comparing the mechanisms
by which acetylcholine and nitric oxide's actions are terminated.
(a) Name the three primary mediators of purinergic receptors.
(b) Which one of these mediators is sometimes used to treat supraventricular tachycardia?
(c) Explain why the drug in (b) is considered safer than verapamil in the treatment of
supraventricular tachycardia?
The pleasurable effect of opiates is because oplate molecules act like a substitute for.
a) brain proteins
b) hormones
c) neurotransmitters
Chapter 11 Solutions
Anatomy & Physiology (6th Edition)
Ch. 11.1 - What is meant by integration, and does it...Ch. 11.1 - Which subdivision of the PNS is involved in (a)...Ch. 11.2 - Which type of neuroglia controls the extracellular...Ch. 11.2 - Which two types of neuroglia form insulating...Ch. 11.3 - How does a nucleus within the brain differ from a...Ch. 11.3 - How is a myelin sheath formed in the CNS, and what...Ch. 11.3 - Which structural and functional type of neuron is...Ch. 11.3 - MAKING CONNECTIONS Which part of the neuron is its...Ch. 11.4 - For an open channel, what factors determine in...Ch. 11.4 - Prob. 10CYU
Ch. 11.5 - What determines the size of a graded potential?Ch. 11.6 - Which is bigger, a graded potential or an action...Ch. 11.6 - An action potential does not get smaller as it...Ch. 11.6 - Why does a myelinated axon conduct action...Ch. 11.6 - If an axon receives two stimuli close together in...Ch. 11.7 - Events at a chemical synapse usually involve...Ch. 11.7 - What structure joins two neurons at an electrical...Ch. 11.8 - Which ions flow through chemically gated channels...Ch. 11.8 - Prob. 19CYUCh. 11.9 - Prob. 20CYUCh. 11.9 - Why is cyclic AMP called a second messenger?Ch. 11.10 - Which types of neural circuits would give a...Ch. 11.10 - Prob. 23CYUCh. 11.10 - 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 - Assume that an EPSP is being generated on the...Ch. 11 - Prob. 3MCCh. 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. 8MCCh. 11 - Inhibition of acetylcholinesterase by poisoning...Ch. 11 - The anatomical region of a multipolar neuron where...Ch. 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. 19SAQCh. 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. 23SAQCh. 11 - Prob. 24SAQCh. 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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- Epinephrine 1) transmits information across the synapse in the brain but is 2) also released by the adrenal glands into the blood supply. Which neurochemical roles is epinephrine playing in these descriptions? A) 1) neurotransmitter and 2) neurohormone B) 1) neuromodulator and 2) neurohormone C) 1) neurohormone and 2) neuromodulator D) 1) neurotransmitter and 2) neuromodulatorarrow_forwardA patient has been exposed to the organophosphate pesticide malathion,which inactivates acetylcholinesterase. Which of the following symptoms would you predict: blurring of vision, excess tear formation, frequent or involuntary urination, pallor (pale skin), muscle twitching, orcramps? Would atropine be an effective drug to treat the symptoms?(See Clinical Impact 16.2 for the action of atropine.) Explain.arrow_forwardAtrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP) are: A) Heart secreted hormones with different actions. B) Cerebrum secreted hormones with different actions.C) Cerebrum & heart secreted hormones with similar actions.D) Heart only secreted hormones with similar actions. E) Cerebrum secreted hormones with different actions.arrow_forward
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- what will be the immediate effect of this inhibition On the concentration of dopamine? a) Dopamine concentration will increase. b) Dopamine concentration will decrease. c) Dopamine concentration will stay the same. After some time, a large increase in the concentration(s) of _______ will directly overcome the inhibitor molecule. a) Dopamine b) Phenylalanine c) L-DOPA and Phosphate d) Dopamine and oxygenarrow_forward2) When Epinephrine binds to alpha and beta receptor sites in the body, it causes a reaction whichincreases vasoconstriction and heart contractility. The term used to define Epinephrine's stimulation of the receptor is ____________________. A) Therapeutic B) Agonist C) Adverse D) Antagonistarrow_forwardA neurotransmitter that is the most widespread inhibitory neurotransmitter in the brain is _________. A) Group of answer choices B) Glutamate C) Serotonin D) Neuropeptide Y E) GABA F) Dopaminearrow_forward
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