Sarcoplasmic reticulum - Study guides, Class notes & Summaries

Comprehensive Exam: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Study Guide Review Questions | 100% Correct | Grade A - Chamberlain Question: Which of the following statements best describes the meaning of a cross-bridge in the process of a muscle contraction? Answer: Myosin head attaching to the myosin binding sites of actin Question: During the ____________ phase of an action potential, Na+ is entering the cell, causing the membrane poten...

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 ...

CSCS EXAM 2024 WITH 100% ACCURATE SOLUTIONS Endomysium - ANSWER ☑☑Each muscle fiber is surrounded by a connective tissue called? Calcium ions that bind to troponin - ANSWER ☑☑What is released from the sarcoplasmic reticulum into the myofibril, causing tension development in a muscle ? Eccentric - ANSWER ☑☑What type of muscular contraction occurs in the pectoralis major during the slow, controlled downward phase of a bench press?

Myocyte - ANSWER Muscle cell Sarcolemma - ANSWER Plasma membrane of myocyte Sarcoplasm - ANSWER Cytoplasm of myocyte Myofibril - ANSWER Tightly packed filament bundles found within skeletal muscle fibers. Contractional unit of a muscle cell. Sarcoplasmic reticulum - ANSWER Site of calcium storage in a muscle cell. Surrounds the myofibrils Transverse tubules (T-tubule) - ANSWER Inward extensions of the sarcolemma that dive into the muscle fiber and surround each myofibril to form a...

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

BIOD 151 module 5 exam Questions and Correct Answers, Complete Solution. 2024. T/F There are three types of muscle tissue found in the body. True T/F Smooth and cardiac muscle tissue are both under voluntary control. False T/F Cardiac and smooth muscle tissue are both under involuntary control True T/F The lumbar plexus is part of the central nervous system. False- this is a peripheral nerve T/F The musculocutaneous nerve is part of the central nervous system False T/F A motor signa...

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

CSCS Practice Exam; Questions & Answers 100% Solved Each muscle fiber is surrounded by a connective tissue called? Answer-Endomysium What is released from the sarcoplasmic reticulum into the myofibril, causing tension development in a muscle? Answer-Calcium ions that bind to troponin What type of muscular contraction occurs in the pectoralis major during the slow, controlled, downward phase of a bench press? Answer-Eccentric

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...

CSCS EXAM 2024 WITH 100% ACCURATE ANSWERS Each muscle fiber is surrounded by a connective tissue called? - ANSWER ☑☑Endomysium What is released from the sarcoplasmic reticulum into the myofibril, causing tension development in a muscle? - ANSWER ☑☑Calcium ions that bind to troponin What type of muscular contraction occurs in the pectoralis major during the slow, controlled, downward phase of a bench press? - ANSWER ☑☑Eccentric What is the thick structural protei...