Myofilaments - Study guides, Class notes & Summaries

©THEBRIGHT 2025 ALL RIGHTS RESERVED 1:30PM. 1 WCU Anatomy Midterm Exam Questions And Answers 2025 Update. The muscle used to depress the tongue is the a. Mylohyoid b. Superior longitudinal c. Genioglossus d. Hyoglossus - Answerd. hyoglossus Which of the following extends the elbow? - Answertriceps brachii When climbing stairs, which muscle or muscle group flexes your knee? - Answerhamstring group This type of muscle makes up the walls of hollow organs, such as the stomach and uterus...

A&P Straighteline Final ACTUAL EXAM QUESTIONS AND REVISED CORRECT ANSWERS | UPDATED !! What is smooth muscle tone? Select one: a. can rapidly develop action potentials b. shallow invaginations of cell membrane c. relatively constant tension maintained for a period of time d. intracellular cytoskeleton e. enzyme that removes phosphate from myosin - ANSWER : c. relatively constant tension maintained for a period of time The sites where a chemical substance is transmitted from the ...

Q: When a sarcomere contracts and thin filaments move over thick filaments you would expect to see ________. a. the I bands to appear smaller b. the H zone to appear wider c. the I bands to appear wider d. the A band to appear darker Ans: a Q: Although there are no sarcomeres, smooth muscle still possesses thick and thin filaments. True False Ans: true Q: Curare is a poisonous plant extract. Curare molecules have a chemical structure like the neurotransmitter ACh. Curare can bind...

Clemson Biol 2220 Exam 3 Questions Correct Answers New Update (A+ Pass) What do skeletal and smooth muscle have in common? - 1. has elongated cells 2. nucleated What do skeletal and cardiac muscle have in common? - 1. nucleated 2. Striations What do smooth and cardiac muscle have in common? - 1. both involuntary control 2. nucleated Define excitability - The ability to change a membrane potential Define contractility - The ability to shorten, when stimulated Define extensibility - Abi...

Anatomy Lecture Exam 2 IU Questions and Answers 100% Pass Internal Intercostals - Answer- Depress the ribs during exhalation, fibers run inferolaterally Skeletal Muscle Tissue - Answer- Voluntary movement of body Maintenance of Posture Muscle tone (continual contraction) Gross Anatomy of Skeletal Muscle - Answer- made up of muscle fibers(cells) Each is an organ and many work in groups Attaches to bone via tendons(dense regular CT) has aponeuroses ( flattened sheet like tendons) Endomy...

CSCS Exam Questions with complete solution Muscle Anatomy - correct answer muscle belly, fascicle, muscle fiber, myofilaments Muscle connective tissues - correct answer Tendon, epimysium, perimysium, endomysium Motor Unit - correct answer 1 alpha motor neuron and all the muscle fibers it innervates neuromuscular junction - correct answer the junction between a motor neuron and one muscle fiber Sarcolemma - correct answer muscle cell membrane Ca++ - correct answer m...

ATP-CP System (Max effort - very short) Lactic Acid or Glycolytic System (Hard effort) Aerobic or Oxidative (Steady state effort) - Answer-3 energy systems Cardiorespiratory capacity Muscular capacity Flexibility - Answer-three primary components of fitness • Decreased resting Heart Rate • Decreased risk of cardiovascular disease • Improved endurance • Increased stroke volume & cardiac output - Answer-4 benefits of training the cardivoscular system _____________ provides ...

Function of all muscles correct answers to generate force and movement Skeletal muscles correct answers - voluntary (somatic neurons) - striated - Multi-nucleated - insertion is more distal - antagonistic muscle groups = flexor-extensor pairs - 40% of body weight Cardiac Muscle correct answers - Primarily involuntary - striated and uninucleated - spontaneous electrical activity - altered by autonimc NS and hormones - intercalated disks that connects them - desmosomes (mechanica...

BIO 181 LAB FINAL STUDY GUIDE EXAM ACTUAL QUESTIONS AND ANSWERS (A+ SOLUTION) The two contractile proteins that make up the myofilaments of skeletal muscle are __________________ and _________________. - ANSWER - Actin & myosin Name the two types of striated muscle. ________________ and _______________. - ANSWER - Skeletal and cardiac Name the two types of involuntary muscle. ________________ and _______________. - ANSWER - Cardiac and smooth The different types of muscle tissue...

Which of the following situations occurs in electrically excitable cells? Select one: a. The sodium-potassium pump moves sodium into the cell. b. The opening and closing of ligand-gated channels cause depolarization. c. Sodium ion channels are opened by high extracellular calcium levels. d. When Na ion channels open, K ion channels close. e. Depolarization causes voltage-gated sodium ion channels to open. + + My Account Question 2 Correct 5.00 points out of 5.00 Question 3 Correct ...