Thick filament - Study guides, Class notes & Summaries

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...

Name the first regression of a squat? - Leg press What is PROM and APROM? - 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) - actin (thin filaments) and myosin (thick filaments) Where is the biceps femoris located? Name an opposing muscle - located in the lateral side of hamstring, rectus femoris Name t...

ex phys final exam practice questions and answers 100% pass What is a neuromuscular junction? - Correct Answer ️️ -Junction between motor neuron and muscle fiber What is a motor unit? - Correct Answer ️️ -Motor neuron and all fibers it innervates What is a motor end plate? - Correct Answer ️️ -Pocket formed around motor neuron by sarcolemma What is a neuromuscular cleft? - Correct Answer ️️ -Short gap between neuron and muscle fiber What happens when acetylcholine is rel...

GMS 6474 final exam questions and Answers 100% correct what does the SR store - Answer- proteins and calcium what is the role of the transverse tubules in the muscle fiber - Answer- allow inside of muscle to communicate with the outside of the muscle how is a sarcomere measured - Answer- from z-disc to z-disc what is contained in the I band of the sarcomere & what color is the band - Answer- thin filaments titin z-disc light (isotropic) what is contained in the A band of the sarcomere...

What is the Muscle Cell? correct answers the muscle fiber Structure of a skeletal muscle correct answers a bundle of fibers - Epimysium - Perimysium - Endomysium - Fascicle -Sarcolemma - Muscle fibril - Myofibril Epimysium correct answers covers the entire skeletal muscle Perimysium correct answers surrounds fascicles Endomysium correct answers surrounds each muscle fiber Fascicle correct answers bundle of muscle fibers Sarcolemma correct answers Muscle's plasma membr...

BPK 105 Exam Questions and Answers 2024/2025 | A+ GRADED 100% VERIFIED What is actin? Actin is a thin protein filament in muscle fibers that works with myosin for muscle contraction. What is myosin? Myosin is a thick protein filament in muscle fibers that interacts with actin to cause muscle contraction. What is a sarcomere? A sarcomere is the basic contracting unit in a muscle fiber, made of actin and myosin. What is troponin? Troponin is a protein on actin filaments; it binds calcium a...

A&P 1 101 Module 5 Exam 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 un der 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 2 / 2 pts A motor signal is a signal that is sent from a muscle to the central nervous system. True Correct! False F...

GMS 6474 Exam Questions and Answers 100% Correct Lecture 2 Muscles can either be ____ or ____? - Answer- 1. Voluntary 2. Involuntary What is one question to ask when comparing voluntary to involuntary muscles? - Answer- How is the underlying tissue metabolized? Cardiac functional syncytial vs smooth muscle functional syncytial? - Answer- Cardiac - pacemaker cells cause contractions Smooth - vasodilation/vasoconstriction True/False: Smooth muscle has striations? - Answer- FALSE! what tw...

Mitochondrion - Answer Cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use Triad - Answer a T tubule and two terminal cisterns Muscle Tension - Answer The force generated by a contracting skeletal muscle sliding filament model - Answer states that the thick and thin filaments slide past each other so that their degree of overlap increases

What are the three types of muscle tissue? - ANSWER Skeletal, Cardiac, and Smooth What are characteristics of skeletal muscle? - ANSWER Striated, voluntary, multinucleated, somatic nervous system control What are characteristics of smooth muscle? - ANSWER Non-striated, involuntary, uninucleated, autonomic nervous control What are characteristics of cardiac muscle? - ANSWER Striated, branching, uninucleated, involuntary, autonomic nervous control, intercalated discs (gap junctions) Wh...