Place a single word into each sentence, and then arrange the sentences into a logical paragraph order to describe the process of excitation. sodium synapse acetylcholine graded Excitation action Contraction receptors voltage AAAAAAAAAAAAAAAAAAAA AAAAAAAAA Drag the text blocks below into their correct order. is the process in which action potentials in the nerve fiber lead to action potentials in the muscle fiber. The process begins with a nerve signal reaching the Acetycholine stimulates gated ion channels in the sarcolemma. on Areas of the sarcolemma are electrically excited causing potentials in all directions from the neuromuscular junction. The nerve signal stimulates the release of into the synaptic cleft.

Place a single word into each sentence, and then arrange the sentences into a logical paragraph order to describe the process of excitation. sodium synapse acetylcholine graded Excitation action Contraction receptors voltage AAAAAAAAAAAAAAAAAAAA AAAAAAAAA Drag the text blocks below into their correct order. is the process in which action potentials in the nerve fiber lead to action potentials in the muscle fiber. The process begins with a nerve signal reaching the Acetycholine stimulates gated ion channels in the sarcolemma. on Areas of the sarcolemma are electrically excited causing potentials in all directions from the neuromuscular junction. The nerve signal stimulates the release of into the synaptic cleft.

Anatomy & Physiology

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter16: The Neurological Exam

Section: Chapter Questions

Problem 5ILQ: Watch this short video (http://openstaxcollege.org/l/facialnerve) to see an examination of the...

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The 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 acetylcholinesterase
Watch this short video (http://openstaxcollege.org/l/facialnerve) to see an examination of the facial nerve using some simple tests. The facial nerve controls the muscles of facial expression. Severe deficits will be obvious in watching someone use those muscles for normal control. One side of the face might not move like the other side. But directed tests, especially for contraction against resistance, require a formal testing of the muscles. The muscles of the upper and lower face need to be tested. The strength test in this video involves the patient squeezing her eyes shut and the examiner trying to pry her eyes open. Why does the examiner ask her to try a second time?
Ans Column I Column II Ca binds to calmodulin 1. Elastic fibers that anchor thick filanments in place Ca binds to troponin 2. Occurs in smooth muscles only Oxidative type I muscle fibers 3. Is the primary source of Ca that drives muscle contraction Titin 4. Is a dense connective tissue that surrounds the entire muscle H zone 5. Anchors thin filaments together Z line 6. Have high concentration of mitochondria Sarcomere 7. The region of thick filaments that has no overlap with thin filaments Actin and myosin 8. Is the functional unit of skeletal muscle Epimysium 9. Occurs in skeletal and cardiac muscles Sarcoplasmic reticulum 10. Generate the mechanical force of a muscle through crossbridge cycling
Ans Column I Column II Ca binds to calmodulin 1. Elastic fibers that anchor thick filaments in place Ca binds to troponin 2. Occurs in smooth muscles only Oxidative type I muscle fibers 3. Is the primary source of Ca that drives muscle contraction Titin 4. Is a dense connective tissue that surrounds the entire muscle H zone 5. Anchors thin filaments together Z line 6. Have high concentration of mitochondria Sarcomere 7. The region of thick filaments that has no overlap with thin filaments Actin and myosin 8. Is the functional unit of skeletal muscle Epimysium 9. Occurs in skeletal and cardiac muscles Sarcoplasmic reticulum 10. Generate the mechanical force of a muscle through crossbridge cycling Matching between Column I and corresponding definition or function in column II ?
Muscles relaxatiom occurs when acetylcholine is cleaved from its receptors ,calcium is pulled back into the sarcoplasmic recticulum,the myosin is released from its binding site ,and the muscle fiber returns to its resting lenght true or false
When compared to normal muscle, the response of the denervated muscle to electrical stimulation shows :-a- decreased chronaxieb- greater response to faradic stimulationc- abnormal response to galvanic stimulationd- CCC becomes greater than ACC
The EMG is a recording of: * The action potentials of the motor nerves supplying the muscle fibers. The action potentials of the innervated muscle fibers. The contractions of the innervated muscle fibers O The action potential of the pacemaker cells O The electrical activity in the sarcoplasmic reticulum
When a skeletal muscle is suddenly stretched :-a- it relaxes suddenlyb- it develops a static stretch reflexc- it develops a dynamic stretch reflexd- it develops clonic contractions
Put the following statements describing the skeletal muscle contration pathway in the correct order action potential enters the transverse- tubule action potential generated at motor end plate action potential travel across sarcolemma sarcoplasmic reticulum releases calcium
Using pyramidal motor tract as a template, describe the voluntary control of skeletal muscles being sure to use appropriate course terminology. Start from the very first neuron and end with neural innervation onto muscle fiber.
Muscle spindle structures consist of: Extrafusal muscle fibers and gamma motor neurons Extrafusal muscle fibers and alpha motor neurons Golgi tendon organs and gamma motor neurons Intrafusal muscle fibers and gamma motor neurons
Now in your own words, EXPLAIN (1) howa neural impulse is transferred to a muscle cell this is the process of “muscle excitation"), and (2) how the electrical impulse travels into he T-tubules and causes calcium to be released from the sarcoplasmic retículum (this is the process of “excitation-contraction coupling"): OMADidoinos reticulum 5. se mo S1e hosph erah anism