Sarcolemma - Study guides, Class notes & Summaries

VTNE Practice Questions with 100% Verified Correct Answers What is a sarcolemma? A calcium storage unit in the muscle A contractile cell in the muscle Connective tissue putting muscle fibers into groups The cell membrane which encloses a muscle fiber - Correct Answer The cell membrane which encloses a muscle fiber ` You make a 1:5 dilution of a serum sample and measure the urea nitrogen. The analyzer reads that the concentration of urea nitrogen is 30 mg/dl. What is the urea n...

BIOS 252 Final Exam Practice Test Questions And Answers Rated A+ Which of the following is a recognized function of skeletal muscle? 1) A) guard body entrances and exits B) maintain posture C) maintain body temperature D) produce movement E) all of the above ANS E Nerves and blood vessels that service the muscle fibers are located in the connective tissues of the A) myofibrils. B) sarcolemma. C) endomysium. D) sarcomere. E) perimysium. ANS E Which of the following ...

NSCA CSCS Terminologies (New 2023/ 2024 Update) Questions and Verified Answers | 100% Correct| Grade A QUESTION tropomyosin funs along the length of the actin filament in the groove of the double helix QUESTION acetylcholine Answer: diffuses across the neuromuscular junction, causing excitation of the sarcolemma QUESTION all or none principle Answer: once a sufficient amount of acetylcholine is released, an action potential is generated across the ...

ACSM CPT Exam Review Questions and Answers 100% AccurateACSM CPT Exam Review Questions and Answers 100% AccurateACSM CPT Exam Review Questions and Answers 100% Accurate What is the function of the tricuspid valve? A. It acts as a pacemaker. B. To pump blood through the heart. C. Prevents backflow of blood to the left atrium. D. Prevents backflow of blood to the right atrium. - ANSWER-Answer: D What is the fundamental unit of muscle contraction? A. Myofibril B. Sarcomere C. Myosin D...

NSCA-CSCS EXAM 2024/ACTUAL 150+ EXAM QUESTIONS WITH CORRECT DETAILED AND VERIFIED ANSWERS/NSCA-CSCS EXAM /NEWEST UPDATE /ALREADY GRADED A+ Which of the following is the smallest contractile unit of skeletal muscle? myosin epimysium sarcolemma sarcomere - RESPONSE:->>>sarcomere Which of the following describes Type I muscle fibers? rapid force development capabilities fatigue resistant with high aerobic energy supply inefficient and easily fatigable high myosin ATPase activi...

CSCS Exam Practice Questions 2024, NSCA CSCS - Study Review Rated A+ Perimysium (surrounding group of fibers/fascicules) Endomysium (surrounding individual fibers) Fascia Delicate "cobwebby" tissue Motor Unit Motor Neuron and the muscle fibers it innervates Typically several hundred muscle fibers in a single motor unit Sarcolemma The plasma membrane of a cell Transverse Tubules Connect to plasma membrane to interior Action potentials travel through Ensures AP exci...

What is the function of the tricuspid valve? A. It acts as a pacemaker. B. To pump blood through the heart. C. Prevents backflow of blood to the left atrium. D. Prevents backflow of blood to the right atrium. - correct answer Answer: D What is the fundamental unit of muscle contraction? A. Myofibril B. Sarcomere C. Myosin D. Sarcolemma - correct answer Answer: B Which chamber of the heart is responsible for pumping oxygenated blood to the body? A. Right ventricle B. Left ventri...

CSCS Practice Exam; Questions & Answers 100% Solved 1. To which of the following structures do the cross-bridges attach during muscle action? a. actin b. myosin c. M-bridge d. sarcolemma Answer-actin 2. Which of the following substances regulates muscle actions? a. potassium b. calcium c. troponin d. tropomyosin Answer-calcium

NSCA-CSCS Exam Prep; Questions & Answers 100% Solved The pelvis is located _______________ to the patella. Answer-superior Which of the following is the smallest contractile unit of skeletal muscle? myosin epimysium sarcolemma sarcomere Answer-sarcomere Which of the following describes Type I muscle fibers? rapid force development capabilities fatigue resistant with high aerobic energy supp

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