Smooth muscle contraction involves:OA. T-tubulesOB. SarcomeresOC. Myosin KinaseOD. All of the aboveO E. None of the above

Smooth muscle contraction is a type of muscle contraction that occurs in smooth muscle tissue, which…

Answered: Smooth muscle contraction involves:…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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The actual contractile units of muscle, called _____, extend from middle of one _____ to middle of next along length of myofibrils. A. T tubule, M line B. sarcoplasmic reticulum, H zone C. sarcomeres, I band D. sarcolemma, A band
In which type of muscle fibers is ATP synthesized aerobically in mitochondria? smooth cardiac skeletal all of the above 2. In which types of muscle fibers are action potentials transmitted from one cell to the next through gap junctions? unitary smooth and cardiac cardiac and skeletal skeletal and smooth 3. All types of muscle have actin and myosin, but not all types have sarcomeres." True False
In which of the following locations would you most likely find the tissue known as perimysium? O surrounding the biceps brachii muscle O wrapped around a myofilament O surrounding a muscle fascicle O around an individual muscle cell
Muscle Fiber Types 2 If a type I fiber and a type Il fiber of the same size are stimulated side by side, a. type Il will generate more force than type I b. type I will contract more quickly than type II c. they will generate the same amount of force d. they will contract at the same speed O0000
The muscle fibers with the fastest contractions are O slow oxidative O fast oxidative O fast glycolytic O fascicles
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Match the appropriate definition to the appropriate vocabulary word. The Herir A. Agonist ps generatem B. Aponeurosis ce che C. Extensibility D. Smooth muscle tive E. Cardiac muscle F. Motor-unit recruitment tains by G. Achilles Tendon er a sh t tim snive H. Synergist Sue I. Myofibrils e tis J. Fatigue en the t ier d f K. Type lla (fast oxidative glycolytic) A decreased ability for a muscle to sustain or generate force/tension. L. Muscles Muscle tissue that directly attaches to bone and is under voluntary control M. Type llx (fast glycolytic) N. Wave summation All the muscle fibers contracts together to generated the most amount of force/tension. O. Inguinal Ligament P. Elasticity A muscle fiber that fatigues the least, uses mostly oxidative phosphorylation, and generate the least amount of force. Q. Motor-unit A discrete group of specific type of muscle fibers innervated by a single R. Excitability motor neuron. A hierarchy of types of motor units recruited during contraction. S.…
Flexing your forearm with no load (nothing in your hand) involves primarily. muscle fibers. Type 2X (FG) Type 2A (FOG) O Type 1 (SO) All of these fiber type are involved
The functional unit of a muscle fiber is the, a segment from one Z disc to thenext.a. myofibrilb. I bandc. sarcomered. neuromuscular junctione. striation
The structure (a specialized synapse) that allows neurons to control our skeletal muscle fibers is called the: 19. A. sarcolemma extracellular inard B. neuromuscular junction C. sarcoplasmic reticulum D. cross-bridge axiom arcople acell
The sarcoplasmic reticulum is the primary storage site for Ca ion used to induced muscle contraction True O False
How do whole muscles contracts harder with a larger stimulus? O Increase in muscle tone O Increase in muscle hyperplasia OIncrease in motor unit activation 券 )Increase in motor end plates

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Smooth muscle contraction involves: OA.T-tubules OB. Sarcomeres OC. Myosin Kinase O D. All of the above OE. None of the above