0.75/Question 20What is the difference between treppe and tetany? Mark ALL that apply.there is no summation in tetanythere is no summation in treppethe contractions successively increase giving a "staircase" imagetreppe goes away after muscle is fully warmed uptreppe is caused by gradual warming of an unstimulated muscle thus increasing diffusion of ions and protein movement needed to cause contractions.

Treppe is a muscle contraction in which the graduated series increased in vigorous contractions when…

Answered: What is the difference between treppe…

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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Select ALL that could cause muscle cramping (a sustained muscle contraction) in skeletal muscle: OHyperexcitability of somatic motor neurons (secreting too much Ach) Botulism poisoning, which prevents Ach secretion from somatic motor neurons O Myasthenia Gravis, in which antibodies block Ach receptors at the motor end plate, preventing Ach from binding O Hypocalcemia, in which the calcium pumps of the sarcoplasmic reticulum are unable to keep Ca2+ inside the SR (allowing Ca2+ to leak into the cytoplasm)
What is meant by the "all-or-none principle"? Group of answer choices When activated, a muscle fiber contracts completely or not at all Upon release of calcium, each sarcomere contracts one at a time. To create movement, all muscles are contracted at once. When stimulated, all muscle fibers of the muscle contracts at the same time.
Plz help Can you help me the name of the all of the number of the label muscle system model?
Write note on the circled events of the excitation contraction coupling shown in the diagram below. Sarcolemma T-tubule Myosin Ca++ 4 Ca Cat 3 TN-I 2 TN-C -TN-T SR DHP receptor Actin TM SERCA RyR RK '17
What would happen to a muscle that was exposed to a drug that mimicked Ca2+ by binding to troponin irreversibly? Group of answer choices Severe muscle contraction Paralysis Nothing. Troponin is irrelevant to muscle contraction Joy, elation
Which of the following is NOT correct regarding muscle contraction? O Ca++ in the sarcoplasm returns to the nucleus to be stored ATP needs to be present for muscle relaxation A neurotransmitter is released at the neuromuscular junction ATP needs to be present for muscle contraction
When the action potentials stop, the concentrations of the contraction cycle. calcium O ATP O phosphate O sodium inside the muscle cells will drop and mark the end of
Calcium binding to calmodulin causes phosphorylation of what protein in what type of muscle? I Otroponin in skeletal and cardiac muscle only troponin in smooth muscle only actin in cardiac and smooth muscle actin in smooth muscle only myosin in smooth muscle only
1. Compare the excitation-contraction coupling in the three types of muscle. Skeletal muscle Smooth muscle Cardiac muscle Sarcomere/myofibril Thick filament Thin filament Striations I tubules Sarcoplasmic reticulum
Smooth muscle contraction involves: OA. T-tubules OB. Sarcomeres OC. Myosin Kinase OD. All of the above O E. None of the above
During sarcomere shortening myosin gets shorter actin gets shorter A-band gets shorter • H-zone gets shorter more than one of the above is correct
Summation, a property of skeletal muscles, is primarily caused by: O Lactic acid buildup Inhibiting acetylcholinesterase O An increased frequency of action potentials Recruiting more motor neurons into the contraction O Positioning the muscle closer to optimal length

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