Muscle fiber - Study guides, Class notes & Summaries

BIO 251 EXAM 3 STUDY GUIDEA muscle fiber can be innervated by multiple motor neurons. a) True b) False f The contraction time of a skeletal muscle is the time between initiation of stimulation and peak contraction of the muscle. a) True b) False f During contraction of all types of muscle cells, Ca++ initiates contraction by entering the cytoplasm of the muscle cell by the process of facilitated diffusion. a) True b) False t The plateau phase of the contractile cell action potential i...

Principles of Anatomy and Physiology, 12th Edition, by Bryan Derrickson, Gerald Tortora. Multiple Choice & Essays 1. How much of the total body weight of the average adult is muscle tissue? a. 20-30% b. 30-40% c. 40-50% d. 50-60% e. 60-70% Ans: C Difficulty: medium Feedback: Chapter Opener 2. The different types of muscle tissue differ from each other by: a. Microscopic anatomy b. Location c. Type of Control d. Both a and b e. All of the above Ans: E Diffic...

Excitability - Answer- the ability of non-pacemaker heart cells to respond to an electrical impulse that begins in pacemaker cells. Depolarization - Answer- occurs when the normally negatively charged cells within the heart muscle develop a positive charge. Conductivity - Answer- the ability to send an electrical stimulus from cell membrane to cell membrane. As a result, excitable cells depolarize in rapid succession from cell to cell until all cells have depolarized. Ex: the wave of depolarizat...

Test Bank Lutz’s Nutrition and Diet Therapy 6th Edition Mazur LitchContents Chapter 1: Nutrition in Human Health .................................................................................................. 2 Chapter 2: Carbohydrates ................................................................................................................. 19 Chapter 3: Fats .................................................................................................................................

Anatomy and Physiology HESI A2 Admission Assessment 4th edition 154 Questions with Verified Answers Medial -CORRECT ANSWER toward the midline Lateral -CORRECT ANSWER away from the midline Proximal -CORRECT ANSWER closer to point of attachment Distal -CORRECT ANSWER farther away from point of attachment What plane divides the body into superior and inferior portions? -CORRECT ANSWER transverse plane What plane divides the body into left and right halves? -CORRECT ANSWER Sagitt...

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Portage Learning A&P 1A&P 1 101 Muscular System Module 5 Exam With Perfect Questions And Answers Latest Updated 2023 Question 1 2 / 2 pts There are three types of muscle tissue found in the body. Correct! True False Question 2 2 / 2 pts Smooth and cardiac muscle tissue are both under voluntary control. True Correct! False Question 3 2 / 2 pts The musculocutaneous nerve is part of the central nervous system. True Correct! False False- this is a peripheral nerve Question 4 ...

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What is the connective tissue covering that encloses the sarcolemma of an individual muscle fiber? A) epimysium B) perimysium C) endomysium D) periosteum - Answer C) endomysium What is a fascicle? A) muscle B) bundle of muscle fibers enclosed by a connective tissue sheath C) bundle of myofibrils D) group of myofilaments - Answer B) bundle of muscle fibers enclosed by a connective tissue sheath What are the differences, if any, in the composition for thick and thin myofilame...