ANATOMY AND PHYSIOLOGY
17th Edition
ISBN: 9781630180928
Author: OpenStax
Publisher: OPENSTAX C
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Textbook Question
Chapter 15, Problem 7RQ
Which of these physiological changes would not be considered part of the sympathetic fight-or-flight response?
- increased heart rate
- increased sweating
- dilated pupils
- increased stomach motility
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During a sympathetic nervous system response to an event, your heart rate increases, indicating the part of the heart responsible for controlling heart rate (the sinoatrial node) is innervated by sympathetic nerves. The SA node is also responsive to epinephrine,a hormone secreted by the adrenal medulla. Explain why the onset of the effect of the hormone is so much slower than the onset of the effect from sympathetic nerve stimulation and yet the effect of the hormone lasts much longer than the effect of nerve stimulation.
The parasympathetic nervous system is a branch of the somatic efferent peripheral nervous system while the sympathetic is a branch of the visceral efferent PNS?
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Chapter 15 Solutions
ANATOMY AND PHYSIOLOGY
Ch. 15 - Watch this video...Ch. 15 - Watch this video...Ch. 15 - Read this article...Ch. 15 - Watch this video...Ch. 15 - Watch this video...Ch. 15 - Watch this video...Ch. 15 - Which of these physiological changes would not be...Ch. 15 - Which type of fiber could be considered the...Ch. 15 - Which signaling molecule is most likely...Ch. 15 - Which of these cranial nerves contains...
Ch. 15 - Which of the following is not a target of a...Ch. 15 - Which of the following represents a sensory input...Ch. 15 - What is the term for a reflex that does not...Ch. 15 - What neurotransmitter will result in constriction...Ch. 15 - What gland produces a secretion that causes...Ch. 15 - Which of the following is an incorrect pairing?...Ch. 15 - Which of these locations in the forebrain is the...Ch. 15 - Which nerve projects to the hypothalamus to...Ch. 15 - What region of the limbic lobe is responsible for...Ch. 15 - What is another name for the preganglionic...Ch. 15 - What central fiber tract connects forebrain and...Ch. 15 - A drag that affects both divisions of the...Ch. 15 - A drug is called an agonist if it ________. blocks...Ch. 15 - Which type of drug would be an antidote to...Ch. 15 - Which kind of ding would have anti-anxiety...Ch. 15 - Which type of drug could be used to treat asthma...Ch. 15 - In the context of a lioness hunting on the...Ch. 15 - A target effector, such as the heart, receives...Ch. 15 - Damage to internal organs will present as pain...Ch. 15 - Medical practice is paying more attention to the...Ch. 15 - Horners syndrome is a condition that presents with...Ch. 15 - The cardiovascular center is responsible for...Ch. 15 - Why does smoking increase the risk of heart...Ch. 15 - Why might topical, cosmetic application of...
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- The hormone insulin enhances the carrier-mediated transport of glucose into most of the bodys cells but not into brain cells. The uptake of glucose from the blood by neurons does not depend on insulin. Knowing the brains need for a continuous supply of blood-borne glucose, predict the effect that insulin excess would have on the brain.arrow_forwardThe amygdalae are almond shaped structures found near the hippocampus in the brain. The amygdalae are responsible for certain emotions such as fear and can trigger changes in the body in response to these emotions.The amygdalae are regulated by the structure of the brain that controls reasoning and critical thinking.The structure of the brain that regulates the amygdalae and the hormone that is released when the amygdalae sense fear are, respectively: Select one: a. Structure Hormone Parietal lobe Cortisol b. Structure Hormone Frontal lobe Cortisol c. Structure Hormone Frontal lobe Epinephrine d. Structure Hormone Parietal lobe Epinephrinearrow_forwardWhich of the following physiologic responses are associated with elevated sympathetic nervous system activity? O CODE enhanced digestion enhanced absorption of nutrients N decreased heart rate increased contractile force of the heart both A and Barrow_forward
- Which of the following options best describes how epinephrine (adrenaline) is released into the bloodstream? O The sympathetic nervous system stimulates the hypothalamus, which releases sends signals to the anterior pituitary gland, which releases epinephrine into the blood O The sympathetic nervous system stimulates the adrenal medulla, which releases epinephrine into the blood O The parasympathetic nervous system stimulates the adrenal medulla, which releases epinephrine into the blood O The vagus nerve stimulates the adrenal medulla, which releases epinephrine into the blood The parasympathetic nervous system stimulates the adrenal cortex, which releases epinephrine into the bloodarrow_forwardIf Devan’s brain is producing serotonin and GABA, he would need to get plenty of which vitamins in order to make them? Group of answer choices Thiamin and pantothenic acid Pyridoxine and pantothenic acid Niacin and thiamin Pyridoxine and thiaminearrow_forwardWhich activity decreases heart rate and force of contraction? sympathetic activation parasympathetic activation norepinephrine binding contractilityarrow_forward
- This organ is considered a sympathetic ganglion Pancreas Liver Suprarenal gland Kidneysarrow_forwardWhich of the following statements about the relationship between the nervous and endocrine systems is NOT correct? Hypothalamus controls a part of the endocrine system called the pituitary gland. Hypothalamus produces ADH Neurons of the sympathetic nervous system stimulate the production of hormones from the adrenal gland. None of these. Which refers to the time during which a neuron can undergo an action potential? the resting membrane potential the depolarization period of the neuron polarization period of the neuron O the membrane potentialarrow_forwardtwo examples of each: - antagonistic control - tonic control of homeostatic balancearrow_forward
- Which is correct? Excitement is incorrectarrow_forwardFill in the left column of the table below with either the nervous or endocrine system —whichever one is described in the right column. nervous or endocrine specific structural arrangement nervous or endocrine generally rapid nervous or endocrine generally slow nervous or endocrine duration of action is brief nervous or endocrine widely dispersedarrow_forwardBenzodiazepines bind to GABAa receptors and increase the effects of GABA. Which effect would you predict to see after treatment with benzodiazepines? Increased influx of potassium flow. Increased G protein action. Increased influx of chloride. Increased influx of GABA.arrow_forward
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