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Q: Muscles in unfused/incomplete tetanus reach maximum tension while relaxing slightly between stimuli.…

A: Tetanic muscle contraction Tetanic muscle contraction can be either complete or incomplete. Complete…

Q: A nerve fiber,together with all of the muscle fibers it innervates, is called amotor unit. A motor…

A: The plasma membrane of a neuron can change its potential from a resting potential to an action…

Q: The medial compartment of the thigh contains muscles that _______ the thigh. abduct elevate extend…

A: In the human body, the movements were described with respect to the anatomical position of the body…

Q: During muscle contraction, the cross-bridge detaches when ___

A: Adenosine triphosphate (ATP) provides energy for the contraction of muscles. It has a direct role in…

Q: The muscle tenses the skin of the neck (you might see this muscle when you skin your cats this…

A: There are various muscles that are present in the neck region. These muscles help in supporting the…

Q: A patient is lifting a dumbbell from waist height to shoulder height, bending the elbow. What form…

A: Introduction:- The muscular system is an organ system that connects bones, tendons, and heart…

Q: Indicate if the statements are TRUE or FALSE. Statements TRUE FALSE Hematopoiesis would most likely…

A: Muscles are important part of body. Body has about 600 muscles forming up a muscular system. These…

Q: The ---- is attached to bones via tendons. muscle fasciculus Whole skeltetal muscle myofilament…

A: Introduction The skeletal system provides a support system to the body of the organisms. It provides…

Q: If the number of active cross bridges in skeletal muscle begins to decline although the rate of…

A: Option A: Fatigue

Q: Why does a skeletal muscle fibers always produce the same amount of tension with a single stimulus?…

A: Muscle is a delicate tissue found in many creatures. Muscle cells contain protein fibers of actin…

Q: The I band of a sarcomere is widest when a muscle is relaxed true or false

A: Muscular system is a type of body system which is involved in contraction and relaxation of muscles…

Q: The region where a motor nerve fiber meets a skeletal muscle fiber is called a/an _____.

A: Muscles are the connective tissue that helps in producing movement in the body. There are three…

Q: Thick myofilaments consist mainly of the protein _____.

A: Thick myofilaments consist mainly of the protein called Myosin.

Q: If we didn’t collect the data for the Normal knee-jerk response, would we be able to evaluate the…

A: Jendrassik maneuver : It is a maneuver which is used to see the reflex action of patellar area when…

Q: The patella is embedded in the tendon of the _____ muscle

A: Quadriceps femoris

Q: A

A: Introduction Muscles are soft tissues that contract to produce a particular movement, fascicles are…

Q: Why does a skeletal muscle cell generate the same amount of tension with each single stimulus? O…

A: Neural control initiates the formation of actin and myosin cross bridges, leading to the sarcomere…

Q: true or fasle :  Eccentric muscle contractions at a constant velocity are be considered isokinetic.…

A: Concentric refers to a muscle that shortens under tension. Eccentric refers to a muscle that…

Q: When a(n) __________ moves along the sarcolemma, the membrane potential changes along the membrane…

A: The sarcolemma is the cell membrane of the muscle cells. When a muscle is stimulated by a neuron at…

Q: 0 0000 trabeculae carne interatrial septum papillary muscles chordae tendinae pectinate muscles

A: Heart is the main organ of the circulatory system. In vertebrates, it is located on the ventral side…

Q: In order to hold the ball between his knees, this guy is his thighs. O flexing extending adducting O…

A: The muscular system of the body is responsible for different types of movements in the body with…

Q: What is NOT related to temporal summation for muscle contraction? residual Ca2+ in the muscle…

A: Temporal summation of muscle contraction can be described as a sensory summation involving the…

Q: Thick myofilaments contain which of the following? (Select all that apply) troponin actin myosin…

A: Myofilaments are key regulators of the contraction in cardiac and skeletal muscles. The thick-thin…

Q: In the absence of _____, a contracted skeletal muscle will not relax but will develop rigor mortis…

A: Introduction After the death of an individual, several changes take place inside the dead body. The…

Q: Graded muscle contractions ________. depend on activation of more and more motor units depend…

A: Muscle cells are made up of two key protein filaments called actin and myosin. These proteins are…

Q: when a skeletal muscle is stimulated by nerve to contract acetylocholine first reaches Actin…

A: Cytoskeleton is an intracellular network of protein filaments present in the cytoplasm. There are…

Q: Which ion starts the muscular contraction by binding to myofilaments? Potassium Chloride Calcium…

A: The muscular system whose origin can be traced to the middle germ layeris responsible for the…

Q: Myosin are motor proteins that drive forces and movement on actin filaments.

A: Answer:  MYOSIN = These are the proteins , found in muscle cells and primarily plays a major role in…

Q: T-tubules are invaginations of the sarcolemma of a muscle cell. True or False True False

A: The skeletal muscle cell (myocyte) contains sarcoplasm surrounded by sarcolemma. It comprises…

Q: velocity of movement     cross-bridging     cross-sectional

A: Each of the muscle fibers are made up of even smaller fibers called as myofibrils. These myofibrils…

Q: Why does continuouns calcium release within a muscle fiber cause greater tension? Acticates more…

A: Muscle is a soft tissue like structure which is primarily responsible for the movement in the body.…

Q: In which of the following locations would you most likely find the tissue known as perimysium?…

A: Skeletal muscle is responsible for movement of various parts of the body and locomotion. These…

Q: What step DIRECTLY causes a sarcomere to shorten? cross- bridge formation  calcium transport into…

A: A sarcomere is the unit of muscle fiber responsible for contraction. Each sarcomere is composed of…

Q: Letter C is labeling А Tendon

A: Muscle are basically a soft tissue which have property of undergo contractions with action potential…

Q: Rowing is a whole body movement Rowing is simulated using a rowing ergometer Does a preload occur…

A: KEY WORDS :- Rowing - It is a sport in which racing a boat on water using oars. It requires certain…

Q: As an action potential moves along the sarcolemma, the brief opening of voltage-gated Na+ channels…

A: In the resting state, the inside i.e., sarcoplasm contains high concentration of K+ ions and…

Q: Observations in Visceral Muscle Observations in Skeletal Muscle Observations in Cardiac Muscle

A: Muscles are tissues that are present around the internal organs. They protect these delicate organs…

Q: A football player throwing the football is using more fast twitch muscle fibers. True False

A: Muscle fiber referred comprises the individual muscle cell and they can control the physical…

Q: Flexing your forearm with no load (nothing in your hand) involves primarily muscle fibers. O Type 2X…

A: Slow twitch muscle filaments, which move all the more slowly however help to keep you moving…

Q: Which type of contraction is associated with increased skeletal muscle fiber damage?…

A: Muscle contraction happens when the thin actin and thick myosin filaments slide past one another. It…

Q: The cell membrane of a muscle fiber is called________.a. myofibrilb. sarcolemmac. sarcoplasmd.…

A: Muscle is a soft tissue which is found in most animals. They are helpful in providing movement and…

Q: In which type(s) of muscle cells does each cell have its own neuromuscular junction?…

A: As per the guidelines, first is answered. Cells called muscle fibres are composed of skeletal muscle…

Q: The size principle requires that the muscle fibers controlled by a single motor unit are all the…

A: Introduction: Muscles are soft structures found in all animals. Muscle cells are made up of protein…