BIOLOGY (OER)
2nd Edition
ISBN: 2810023110482
Author: OpenStax
Publisher: MBS
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Textbook Question
Chapter 35, Problem 16RQ
Activation of the sympathetic nervous system causes:
- increased blood flow into the skin
- a decreased heart rate
- an increased heart rate
- increased digestion
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The sympathetic system plays a vital role maintaining
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Chapter 35 Solutions
BIOLOGY (OER)
Ch. 35 - Figure 35.3 Which of the following statements is...Ch. 35 - Figure 35.11 Potassium channel blockers, such as...Ch. 35 - Figure 35.26 Which of the following statements is...Ch. 35 - Neurons contain _____ which can receive_____...Ch. 35 - A(n)______neuron has one axon and one____ dendrite...Ch. 35 - Glia that provide myelin for neurons in the brain...Ch. 35 - Meningitis is a viral or bacterial infection of...Ch. 35 - For a neuron to fire an action potential, its...Ch. 35 - After an action potential, the opening of...Ch. 35 - What is the term for protein channels that connect...
Ch. 35 - Which of the following molecules is not involved...Ch. 35 - Thelobe contains the visual cortex frontal...Ch. 35 - Theconnects the two cerebral hemispheres. limbic...Ch. 35 - Neurons in Thecontrol motor reflexes. thalamus...Ch. 35 - Phineas Gage was a 19th century railroad worker...Ch. 35 - Activation of the sympathetic nervous system...Ch. 35 - Where are parasympathetic preganglionic cell...Ch. 35 - ______ is released by motor nerve endings onto...Ch. 35 - Parkinson’s disease is a caused by the...Ch. 35 - __________ medications are often used to treat...Ch. 35 - Strokes are often caused by. neurodegeneration...Ch. 35 - Why is it difficult to identify the cause of many...Ch. 35 - Why do many patients with neurodevelopmentaJ...Ch. 35 - How are neurons similar to other cells? How are...Ch. 35 - Multiple sclerosis causes demyelination of axons...Ch. 35 - Many neurons have only a single axon, but many...Ch. 35 - How does myelin aid propagation of an action...Ch. 35 - What are the main steps in chemical...Ch. 35 - Describe how long-term potentiation can lead to a...Ch. 35 - What methods can be used to determine the function...Ch. 35 - What are the main functions of the spinal cord?Ch. 35 - Alzheimer’s disease involves three of the four...Ch. 35 - What are the main differences between the...Ch. 35 - What are the main functions of the sensory somatic...Ch. 35 - Describe how the sensory-somatic nervous system...Ch. 35 - Scientists have suggested that the autonomic...Ch. 35 - What are the main symptoms of Alzheimer’s disease?Ch. 35 - What are possible treatments for patients with...
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Similar questions
- Abnormal softening of the nerves is called ________________________ .arrow_forwardEpinephrine and norepinephrine are chemicals that act as both neurotransmitters and hormones. Describe where they are released from, what organs they target and how they play a role in the sympathetic nervous system.arrow_forwardDiscuss why the sympathetic system is called the “fight-or-flight” system. Construct a table summarizing what occurs in each of the following body systems when the sympathetic system is stimulated. Explain why these responses occur. Body systems: cardiovascular, respiratory, eyes, skin, gastrointestinal, urinary, and immune.arrow_forward
- In the sympathetic division of the autonomic nervous system: Select one: The ratio between the number of postganglionic and preganglionic neurons is small. A single preganglionic neuron usually synapses with a single postganglionic neuron. An important functional characteristic is convergence of the preganglionic fibers. Preganglionic fibers are usually much longer than the postganglionic fibers. Activity of the neurons tends to have a more generalized and widespread effect on the body.arrow_forwardMatch the following effects and statements to the correct division of the autonomic nervous system. Select "Both" if the statement or effect is true of both divisions. "Resting and digesting" division Innervate most major organs of the body Increases heart rate Constricts pupils Innervates most blood vessels Regulate smooth muscle and cardiac muscle ANSWER OPTIONS: Parasympathetic, Sympathetic, BOTHarrow_forwardA patient’s heart is beating unusually slowly. Which of the following are possible explanations? (More than one may be correct) Parasympathetic system is overactive Parasympathetic system is underactive Sympathetic system is overactive Sympathetic system is underactivearrow_forward
- If a person is given an experimental drug, which response would indicate that this drug is an norepinephrine/epinephrine agonist? decreased blood pressure pupil constriction constriction of respiratory airways high blood sugar (hyperglycemia) decreased heart ratearrow_forwardContrast the functions of the sympathetic and para-sympathetic divisions of the autonomic nervous system.arrow_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
- Describe how the sympathetic and parasympathetic nervous system affects the following organs: heart, eyes, gastrointestinal systemarrow_forwardReserpine is a drug that can control high blood pressure by reducing the number of catecholamine neurotransmitters present in the synapse. Epinephrine, norepinephrine, and dopamine are examples of catecholamine neurotransmitters. One of the known side effects of reserpine is to cause the symptoms of Parkinson’s disease. Parkinson's disease is associated with dopamine. Parkinson's disease occurs when the nerve cells in the part of the brain that controls muscle movement are gradually destroyed and the neurons can no longer produce dopamine to coordinate muscle movements. Reserpine causes symptoms by a. inhibiting the release of dopamine from the presynaptic neuron b. blocking the dopamine receptor in the postsynaptic neuron c. breaking down the neurotransmitter acetylcholine in the synapse d. breaking down cholinesterase enzyme in the synapsearrow_forwardThis is a type of signal in the brain that changes when we do an action/movement or when we see someone else do an action/movement:arrow_forward
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