Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Textbook Question
Chapter 11.1, Problem 2CYU
Which subdivision of the PNS is involved in (a) relaying the feeling of a “full stomach” after a meal, (b) contracting the muscles to lift your arm, and (c) increasing your heart rate?
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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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- A 55-year-old woman develops a hiatal hernia in which the fundus of the stomach protrudes through the esophageal hia- tus of the diaphragm into the thorax. Which of the following structures is/are at greatest risk of injury during surgical repair of this hernia? (A) Thoracic duct (B) Azygos vein (C) Vagus nerves (D) Sympathetic chains (E) Superior epigastric vesselsarrow_forward12. The effects of parasympathetic stimulation include: a) Ejaculation b) Secretion of sweat c) Contraction of the rectum d) Constriction of gastrointestinal sphincters e) Dilation of the bronchiolesarrow_forwardThe submucosal nerve plexus of the intestine (a) innervates the mucosa layer, (b) lies in the mucosa layer, (c) controls peristalsis, (d) contains only motor neurons.arrow_forward
- In some severe cases of stomach ulcers, the branches of the vagus nerve (N X) that lead to the stomach are surgically severed. How might this procedure control the ulcers?arrow_forwardWhich neural reflex is initiated by food in the stomach, and what does it control?arrow_forwardThe most important reward circuit in the brain is the mesolimbic pathway. Dopaminergic neurons originate in the _____ and connect to the _____ and other structures. A) hippocampus; amygdala B) amygdala; prefrontal cortex C) ventral tegmental area (VTA); nucleus accumbens D) nucleus accumbens; prefrontal cortexarrow_forward
- The gastrocolic reflex: A) Does not involve Vagus nerve B) Speeds the heart up during defecation  C) Is mediated via the hypoglossal and phrenic nerves D) Has no effect on the heart during defecation E) Slows the heart down during defecationarrow_forwardJ.B. is a 58-year-old retired postal worker who has been on your floor for several days receiving plasmapheresis every other day for myasthenia gravis (MG). About a year ago, J.B. started experiencing difficulty chewing and swallowing, diplopia, and slurring of speech, at which time he was placed on pyridostigmine (Mestinon). Before this admission he had been relatively stable. His medical history includes hypertension controlled with metoprolol (Lopressor) and glaucoma treated with timolol (ophthalmic preparation). Recently J.B. was diagnosed with a sinus infection and treated with ciprofloxacin (Cipro). On admission, J.B. was unable to bear any weight or take fluids through a straw. There have been periods of exacerbation and remission since admission. Current Vital Signs: Blood pressure 170/68 mm Hg Heart rate 118 beats/min Respiratory rate 32 breaths/min Temperature 101.8° F (38.8° C) Based on these vital signs, what is your immediate concern? Provide details on important…arrow_forwardThe brain circuits outside the hypothalamus is referred to as the extrahypothalamic circuits. (A) What are two key structures involved in the “hedonic” aspects of food intake? (B) What are the roles in food intake/feeding?arrow_forward
- Which of the following molecules listed are identified are characteristic components of the secretion of this organ (black arrow)? (A) alkaline bases such as putrescine and spermine (B) prostaglandins (C) citrate ions (D) magnesiumarrow_forwardDoes the SCN Control the Circadian Rhythm in Hamsters?arrow_forwardThis type of contraction occurs 3-4 times a day and involves a large portion of the transverse and descending colon. What are they called? a) Haustra b) Defecation reflex c) "Slow waves" d) Segmentation e) Mass movementsarrow_forward
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