PRIN OF ANATOMY & PHYS 16E 2 SEM ACCESS
16th Edition
ISBN: 9781119704607
Author: Tortora
Publisher: WILEY
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Chapter 12, Problem 22CP
Summary Introduction
To review:
The difference between nitric oxide (NO) and other previously known neurotransmitters.
Introduction:
Neurotransmitters are chemicals that transmit signals across a chemical synapse. Small molecules such as biogenic
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Chapter 12 Solutions
PRIN OF ANATOMY & PHYS 16E 2 SEM ACCESS
Ch. 12 - l. What is the purpose of a sensory receptor?
Ch. 12 - What are the components and functions of the SNS...Ch. 12 - 3. Which subdivisions of the PNS control voluntary...Ch. 12 - Prob. 4CPCh. 12 - 5. Describe the parts of a neuron and the...Ch. 12 - Give several examples of the structural and...Ch. 12 - 7. What is a neurolemma, and why is it important?
Ch. 12 - 8. With reference to the nervous system, what is a...Ch. 12 - 9. What types of electrical signals occur in...Ch. 12 - 10. Why are voltage-gated channels important?
Ch. 12 - 11. What is the typical resting membrane potential...Ch. 12 - 12. How do leak channels contribute to resting...Ch. 12 - 13. What is a hyperpolarizing graded potential?
Ch. 12 - 14.What is a depolarizing graded potential?
Ch. 12 - What happens during the depolarizing phase of an...Ch. 12 - Prob. 16CPCh. 12 - 17. What effect does miyelination have on the...Ch. 12 - How is neurotransmitter removed from the synaptic...Ch. 12 - Prob. 19CPCh. 12 - Prob. 20CPCh. 12 - Prob. 21CPCh. 12 - Prob. 22CPCh. 12 - What is a neural circuit?Ch. 12 - What are the functions of diverging, converging,...Ch. 12 - What factors contribute to a lack of neurogenesis...Ch. 12 - What is the function of the regeneration tube in...Ch. 12 - The buzzing of the alarm clock woke Carrie. She...Ch. 12 - Prob. 2CTQCh. 12 - As a torture procedure for his enemies, mad...
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- Describe the structural and functional properties of the major classes of neurotransmitters.?arrow_forwardWhat is neuropeptide Y (NPY)?arrow_forwardserotonin,y-aminobutyric acid, and dopamine are derived from different amino acids by just one or a very few chemical steps. name one step that is shared in the derivation of all three neurotransmitters?arrow_forward
- Which cell type is responsible for reuptaking neurotransmitters once released in the synapse? a) pyramidal cells b) ependymal cells c) glial cells d) oligodendrocytes The collective name for dopamine, serotonin and noradrenaline based on their chemistry is: a) cathecholamines b) indolamines c) neurotransmitters d) anxiolyticsarrow_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_forwardGive FOUR criteria for identifying a substance as a neurotransmitter.arrow_forward
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