Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 41, Problem 10TYU
Summary Introduction
To describe: The fact that acetylcholine has an excitatory effect on skeletal system but an inhibitory effect on cardiac system by the help of a hypothesis.
Introduction: Neural transmission takes place by an efficient system which is nervous system. The information is taken up by the neurons that transmit the information to the brain for interpretation and then responds. The information is described in the form of stimuli that is detected by neural receptors.
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13) when testing the ability of a frog’s skeletal leg muscle to move, which chemical would be best?
a) somatostatin
b) epinephrine
c) acetylcholine
d) dopamine
Fill in the blank:
The P wave corresponds to depolarization of the muscle fibers of the _______________________.
9. Which of the following correctly describes the end plate potential (EPP)?
A)It is primarily mediated by Na+ influx B)It is both a local potential in the end plate area of the muscle cell that allows the muscle cell to depolarize and it is primarily mediated by Na+ influx C)It is both a local potential in the alpha motor neuron that allows a cell to depolarize and it is primarily mediated by Na+ influx D)It is a local potential in the end plate area of the muscle cell that allows the muscle cell to depolarize E)It is a local potential in the alpha motor neuron that allows the muscle cell to depolarize
Chapter 41 Solutions
Biology (MindTap Course List)
Ch. 41.1 - Describe the processes involved in neural...Ch. 41.1 - Prob. 1CCh. 41.1 - Prob. 2CCh. 41.2 - Draw and label a typical neuron and give the...Ch. 41.2 - Prob. 3LOCh. 41.2 - Prob. 1CCh. 41.2 - Prob. 2CCh. 41.2 - Prob. 3CCh. 41.3 - Prob. 4LOCh. 41.3 - Prob. 5LO
Ch. 41.3 - Prob. 6LOCh. 41.3 - Prob. 1CCh. 41.3 - Prob. 2CCh. 41.3 - Prob. 3CCh. 41.3 - Prob. 4CCh. 41.4 - Prob. 7LOCh. 41.4 - Prob. 8LOCh. 41.4 - Prob. 9LOCh. 41.4 - Prob. 1CCh. 41.4 - Prob. 2CCh. 41.4 - How are EPSPs produced? IPSPs?Ch. 41.5 - Prob. 10LOCh. 41.5 - Prob. 1CCh. 41.5 - Prob. 2CCh. 41.5 - Prob. 3CCh. 41.6 - Prob. 11LOCh. 41.6 - Prob. 1CCh. 41 - Test Your Understanding Know and Comprehend 1....Ch. 41 - Prob. 2TYUCh. 41 - Test Your Understanding Know and Comprehend 3....Ch. 41 - Saltatory conduction (a) requires more energy than...Ch. 41 - Receptors for serotonin and many other...Ch. 41 - A presynaptic neuron in the cerebrum transmits...Ch. 41 - VISUALIZE Describe the action taking place at each...Ch. 41 - Prob. 8TYUCh. 41 - Prob. 9TYUCh. 41 - Prob. 10TYUCh. 41 - Prob. 11TYUCh. 41 - Prob. 12TYUCh. 41 - Prob. 13TYU
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Action potentials occur when ________ a. a neuron receives adequate stimulation b. more and more sodium gates open c. sodium-potassium pumps kick into action d. both a and barrow_forwardExcericse affects your heart rate. Then describe how the action potential graph would change due to this situation( excercise ) . Discuss repolarization / hyperpolarization, and the time between action potential peaks.arrow_forward1. Which of the following would you find in the synaptic cleft of an alpha motor neuron and a muscle cell? Calcium Acetylcholine re-uptake transporter Voltage-gated calcium channels Acetylcholine Dopaminearrow_forward
- In your own words, describe the main events occurring between the arrivalof an action potential at a motor neuron end plate and contraction of thecorresponding muscle. Use 250 words or less.arrow_forwardSkeletal muscles are controlled by _________ a. sympathetic neurons b. parasympathetic neurons c. somatic nerves d. both a and barrow_forwardEvery skeletal muscle fiber is supplied by a motor neuron at the NMJ. Watch this video (http://openstaxcollege.org/l/skelmuscfiber) to learn more about what happens at the neuromuscular junction. (a) What is the definition of a motor unit? (b) What is the structural and functional difference between a large motor unit and a small motor unit? Can you give an example of each? (c) Why is the neurotransmitter acetylcholine degraded after binding to its receptor?arrow_forward
- Read this article (http://openstaxcollege.org/l/strokespell) to learn about a teenager who experiences a series of spells that suggest a stroke. He undergoes endless tests and seeks input from multiple doctors. In the end, one expert, one question, and a simple blood pressure cuff answers the question. Why would the heart have to beat faster when the teenager changes his body position from lying down to sitting, and then to standing?arrow_forwardThe muscle relaxes if no new nerve signal arrives. However the neurotransmitter from the previous stimulation is still present in the synapse The activity of helps to remove this neurotransmitter. myosin action potential tropomyosin acetylcholinesterasearrow_forward8. When a nerve impulse reaches the nerve endings the permeability of the A. Presynaptic membrane to potassium increases B. Presynaptic membrane to sodium decreases C. Presynaptic membrane to calcium increases D. Presynaptic Membranes of calcium decreasesarrow_forward
- please fill in the blanks: 25. The combination of alternating dark A bands and light _______________ bands gives a muscle fiber its striated appearance 27. neurotransmitters are stored in ______________, which are located within synaptic end bulbs 30. cardiac muscle tissue has a long _____________ that allows time for the chambers of the heart to relax and fill with blood between beats 31. smooth muscle tissue contains thick filaments, thin filaments, and ____________ filaments 34. the minimum stimulus required for skeletal muscle contraction is called a ____________ stimulusarrow_forwardCreate a cool down for soccer, Remember to cover the basic ground rules:About 10 minutes in lengthBegin at a high level of intensity and work your way down to a resting heart rateIncorporate both static and dynamic activitiesMove all relevant body partsarrow_forwardVery Shortly describe the full process for how nerve signals cause our skeletal muscles to contract once they arrive at the skeletal musclearrow_forward
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