Muscle fibres - Study guides, Class notes & Summaries

Kin 1A03 McMaster Final Exam Review (2023/2024) 100% Pass excitation-contraction coupling AP from NS turns into muscle contraction -MAP propagated along sarcolemma into t-tubules -Ca+ channels in SR open and release into sarcoplasm -Ca+ binds to troponin and tropomyosin detaches -X bridge forms myofibril entire muscles length - series of sarcomeres state of each of the bands when muscle is relaxed vs contracted A band (all of myosin) H zone - only myosin I band - only actin A band doesn't ch...

CANFITPRO PTS CERTIFICATION EXAM QUESTIONS WITH CORRECT ANSWERS LATEST UPDATED 2024/2025 | SCORED A+. Name the first regression of a squat? - ANSWER- Leg press What is PROM and APROM? - ANSWER- passive range of motion (someone helps you do the movement) and active range of motion (you do the movement on your own) What are the two protein filaments that slide over each other during a muscle contraction (sliding filament theory) - ANSWER- actin (thin filaments) and myosin (thick filaments) W...

Afferent nerves conduct nerve impulses from: a) one effector to another. b) receptors to the central nervous system. c) the central nervous system to receptors. d) effectors to the central nervous system.e) the central nervous system to effectors. - Answer receptors to the central nervous system The factor most affecting the rate of impulse conduction is the: a) length of the axon. b) rate of axonal transport. c) number of neuroglia associated with it.d) presence or absence of a myelin she...

Name the 3 types of muscle tissue - ANSWER Smooth Cardiac Skeletal Which specific massage movement would be most beneficial to relieve tense quadricep muscles? - ANSWER Kneading What is muscle fatigue? when muscle has difficulty to: A - Relax B - Contract C - Sustain relaxation D - Sustain contraction - ANSWER D - sustain contraction What is muscle tone? A - A muscle that has been exercised is sead to be toned B - All muscle fibres held at tension all the time C - Slight degree of ...

ITEC LEVEL 3 SPORTS MASSAGE DIPLOMA REVISION NEW UPDATE QUESTIONS AND 100% VERIFIED ANSWERS 2024 Name the 3 types of muscle tissue Correct Answer: Smooth Cardiac Skeletal Which specific massage movement would be most beneficial to relieve tense quadricep muscles? Correct Answer: Kneading What is muscle fatigue? when muscle has difficulty to: A - Relax B - Contract C - Sustain relaxation D - Sustain contraction Correct Answer: D - sustain contraction What is muscle tone? A ...

A&P 2 Blood Vessels Question and answers verified to passA&P 2 Blood Vessels arteries - correct answer have thicker walls, more smooth muscle and elastic fibres, and more resilient veins - correct answer thinner walls, larger lumens, lower pressure Blood vessels - correct answer delivery system that begins and ends at the heart Tunica interna (intima) - correct answer endothelial layer that lines the lumen of all vessels Tunica media - correct answer smooth muscle and elastic f...

A&P 2 Blood Vesselsarteries - correct answer have thicker walls, more smooth muscle and elastic fibres, and more resilient veins - correct answer thinner walls, larger lumens, lower pressure Blood vessels - correct answer delivery system that begins and ends at the heart Tunica interna (intima) - correct answer endothelial layer that lines the lumen of all vessels Tunica media - correct answer smooth muscle and elastic fibre layer; regulated by sympathetic nervous system; controls va...

IB Biology Review with Complete Solutions cell theory -All living things are composed of cells -cells come from preexisting cells -Cells are smallest unit of life Challenges to cell theory: muscle fibres -They are fused cells, so they're long and have multiple nucleus -challenges cells are autonomous units Challenges to cell theory: Giant algae -certain species may grow large -challenges idea cells are microscopic and larger organisms are composed of many Challenges ...

BSNC 2000 Module 4 Test Questions and Answers Key mechanisms causing systolic dysfunction - Answer-1. Myocardial damage 2. Excessive workload 3. Impaired contractility Key mechanisms causing diastolic dysfunction - Answer-1. Decreased compliance 2. Obstructed filling 3. Impaired relaxation Compensatory Response to decreased CO due to HF: Sympathetic Activation - Answer-- Increased HR and contractility leading to increased CO - Vasoconstriction causes increase in vascular resistance a...

CANFITPRO PTS CERTIFICATION EXAM QUESTIONS WITH CORRECT ANSWERS UPDATED 2024/2025 | SCORED A+. What is PROM and APROM? - ANSWER- passive range of motion (someone helps you do the movement) and active range of motion (you do the movement on your own) What are the two protein filaments that slide over each other during a muscle contraction (sliding filament theory) - ANSWER- actin (thin filaments) and myosin (thick filaments) Where is the biceps femoris located? Name an opposing muscle - ANSW...