Sarcoplasm Study guides, Class notes & Summaries

Each muscle fiber is surrounded by a connective tissue called? a. Fasiciculi. b. Perimysium. c. Endomysium. d. Epimysium. C 5 What is released from the sarcoplasmic reticulum into the myofibril, causing tension development in a muscle? a. Calcium ions that bind to troponin. b. Calcium ions that bind to tropomyosin. c. Sodium ions that bind to troponin. d. Sodium ions that bind to tropomyosin. A 7 00:11 01:35 What type of muscular contraction occurs in the pectoral...

ANP EXAM 3 QUESTIONS & ANSWERS 2024/2025 In a bedridden patient recovering from a badly fractured femur, disuse atrophy in the thigh muscles is caused by _________. decreased ability of muscle cells to produce ATP, resulting in decreased ability of the muscles to contract decreased ability to synthesize acetylcholine in the neurons that innervate the thigh muscles decreased synthesis of muscle proteins and/or increased breakdown of muscle proteins none of the above - ANSWERSdecreased ...

ISSA STRENGTH AND CONDITIONING STUDY GUIDE QUESTIONS AND ANSWERS stretch-shortening cycle - ANS eccentric contraction followed immediately by concentric contraction intradiscal pressure - ANS Pressure present between vertebral discs. insulin - ANS A hormone produced by the pancreas or taken as a medication by many diabetics sinoatrial node - ANS a mass of cardiac muscle cells that lies at the junction of the superior vena cava with the right atrium and that initiates and r...

What is the correct order of structures of a muscle from smallest to largest? - Muscle fiber, endomysium, fascicles, perimysium, epimysium What part within the muscle fiber stores glycogen and myoglobin and is made up of lipids, enzymes and various types of cellular organelles? - Sarcoplasm What is the function of calcium in the muscle stimulation process? - Binds with troponin to open up binding sites

What structure runs from Z line to Z line? - Answer-Sarcomere The movement of the troponin-tropomyosin complex requires _______ - Answer-Ca2+. The actin filament is a polymer formed from 300 to 400 globular subunits called ______ - Answer-Gactin. A myofilament is the _________. - Answer-Protein strand composed of actin or myosin T tubules ________. - Answer-Conduct action potentials deep into the muscle cell A drug that interferes with the active transport of calcium ions from the sarcoplas...

BSC2085 Exam 4 Questions and Answers 100% Pass The word muscle means? - Answer- little mouse What are the 3 kinds of muscle tissue? And what is there 1 major purpose ? - Answer- skeletal, cardiac, smooth To convert energy in ATP into energy of mechanical motion The muscular system only refers to what? - Answer- skeletal muscles Myology is? - Answer- study of the muscular system All cells have what characteristics? - Answer- Excitability (to chemical signals, stretch, and electrical chan...

Sarcolemma - Answers muscle plasma membrane Sarcoplasm - Answers cytoplasm of a muscle cell Muscle cells respond to neural, stretch, or other signals by changing their _______. - Answers sarcolemma electrical potential (voltage) The electrical potential change is coupled to intracellular changes that result in ______. - Answers force generation (contraction) Contractility - Answers active shortening of muscle cell and generation of tension (force) Extensibility - Answers passive s...

2024 NSCA CSCS Practice Test 2 Guaranteed A+ Test | Actual Questions and Answers, Complete 100% 1. What connective tissue attaches a muscle to a bone? Answer: Tendon 2. What substance is involved in muscular contraction at the neuromuscular junction? Answer: Acetylcholine 3. What is the proper orientation for blood pressure notation, and what isconsidered normal blood pressure? Answer: Systole/Diastole; 120/80 4. What cardiac phase is represented by diastole? Answer: Diastole is the...

Personal Trainer Certification Practice Exam #1 1.)_________________ is the most important source of immediate energy which lasts about 3 - 5 seconds (Ch. 4, P. 66) - Answer- ...a.Phosphocreatine 2.)During muscle contraction, the _______________ releases calcium into the sarcoplasm, which allows for actin-myosin interaction. (Ch. 4, P. 68) - Answer- ...plasmic reticulum 3.)Which type of muscle fiber not only produces great force when stimulated but also resists fatigue? ...

HUBS 191 Progress Test 1 Questions and Answers Already Passed What makes up the axial skeleton? skull, vertebral column, rib cage What is recruitment? activating more motor units to make more force What are flat bones? Thin plates of compact bone - some cancellous What are flat bones used for? protection and muscle attachment What are irregular bones? Variable in shape size and function What is depolarisation? Membrane potential becomes less negative what causes depolarisat...