Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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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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Epinephrine 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.
Chapter 35 Solutions
Biology 2e
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
- Figure 35.26 Which of the following statements is false? The parasympathetic pathway is responsible for relaxing the body, while the sympathetic pathway is responsible for preparing for an emergency. Most preganglionic neurons in the sympathetic pathway originate in the spinal cord. Slowing of the heartbeat is a parasympathetic response. Parasympathetic neurons are responsible for releasing norepinephrine on the target organ, while sympathetic neurons are responsible for releasing acetylcholine.arrow_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_forwardWhich of the following is NOT a true statement about autonomic nervous system? Parasympathetic cell bodies are located in ganglia within (or near) their target tissues Preganglionic sympathetic neurons release acetylcholine Preganglionic parasympathetic neurons are located in the thoracic and lumbar spinal cord Most postganglionic sympathetic neurons release norepinephrinearrow_forward
- Describe nerve impulse propagation including: Continuous and saltatory conduction Factors affecting impulse speed Encoding stimuli intensitiesarrow_forwardall of the following apply to the autonomic nervous system except it operates on an involuntary basis it consists of sympathetic and parasympathetic divisions it does not include cranial nerves it is composed of preganglionic and postganglionic neuronsarrow_forwardIn 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_forward
- Match 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_forwardIf 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_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_forwardContrast the functions of the sympathetic and para-sympathetic divisions of the autonomic nervous system.arrow_forwardSome drugs/medication are known to act as neurotransmitter. Try to name at least three of thesecompounds and identify what response each imitates in some other neurotransmitter.arrow_forward
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