Which of the following statements relating to the factors affecting the force of muscle contraction is false? a. skeletal muscles contract strongest when the muscle fibers are 80-120% their resting length b. low frequency of stimulation generates decreased force c. larger muscle fibers

Q: The following is based on the Seebeck effect: Select one: a. RTDs b. IR thermometers c. Thermistors…

A: Clinical thermometer It is an instrument that is used to measure body temperature and contains…

Q: Delayed onset muscle soreness (DOMS) is most closely associated with which type of muscle actio a.…

A: It is experienced by many and characterized by pain and stiffness in muscle.

Q: 7. A severe laceration to a wrist completely severed a major muscle tendon. To suture the ends of…

A: The tension or force applied to a muscle when it is stretched without any active contraction is…

Q: Why might multiple, small motor units be advantageous over a single large motor unit?   A. They…

A: Motor units participate in regulation of movement of muscle fibers.

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Q: Which of the following statements about movement and locomotion isfalse?a. Terrestrial animals and…

A: The process called movement is the temporary or permanent displacement of the part of the body of a…

Q: Which region of the sarcomere does not change length between muscle relaxation and muscle…

A: Muscle is a kind of tissue as it is made up of group of cells. It is one of the four kind of primary…

Q: Movement of a limb in two directions requires a pair of muscles becausea. a single muscle can only…

A: Bones are the rigid, living tissue that forms the main component of the skeletal system. The bones,…

Q: When we increased the frequency, why could we see an in increase in the force of contraction? Is it…

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Q: Several snake venoms contain toxins which blocks acetylcholine receptors at the neuromuscular…

A: The neuromuscular system includes all the muscles in the body and the nerves that are required to…

Q: Botulism toxin inhibits the release of acetylcholine at the neuromuscular junctions. What effect…

A: Neurons are the basic structural and functional unit of the nervous system. Neurons have three…

Q: The function of Ca2+ in skeletal muscle contraction is toa. cause an allosteric change in myosin so…

A: Skeletal muscles are a special type of muscles made up of contractile tissue. They are a type of…

Q: To demonstrate muscle fatigue, a student held an 8 lb dumbbell in her hand and abducted her arm…

A: Ans - the correct answer for the above question is- A) Different motor units were contracting while…

Q: Which statement(s) about human neuromuscular innervation is/are true? A. A single spinal motor…

A: A chemical synapse between a motor neuron and a muscle fibre is known as a neuromuscular junction.…

Q: Which of the following statements about the microscopic structure of smooth muscle fibers is…

A: Muscles have a vital role in the body. Muscles do a lot for our bodies as well. They circulate blood…

Q: Which of the following are involved interaction of myosin and actin? A. interaction between the…

A: Actin and myosin are the microfilaments which are involved in contraction of muscles. The troponin…

Q: While initial control of skeletal muscles occurs with the motor cortex, a successful movement also…

A: The motor movements required coordination of central nervous system that controls the muscle…

Q: The motor unit firing patterns are measured in a human hand muscle using an electromyography (EMG)…

A: The EMG pattern observed as the individual voluntarily attempts to make a low-level force of…

Q: Muscular atrophy occurs when: A. A patient lacks the coordination needed to walk normally. B. Muscle…

A: Muscular atrophy refers to the loss of skeletal muscle. The atrophied muscle normally smaller and…

Q: a. Individual organ a. myofibril b. An individual cel b. muscle c. A bundle of proteins c. fascicle…

A: Introduction: Skeletal muscles are voluntary muscles as their relaxation and contraction are under…

Q: Which of the following is true?   A. Muscle fibers either will contract with all the force…

A: Introduction: Muscles are the soft tissues present in all mammals. The muscle cells comprise protein…

Q: Considering the force of contraction of a skeletal muscle fiber,wave summation occurs because ofa.…

A: Muscle is a soft tissue found in most animals. Muscle cells contain protein filaments of myosin and…

Q: Muscle that has a striped appearance is described as being a. elastic b. nonstriated c. excitable d.…

A: Muscle refers to a soft tissue found in the majority of animals. The cells of the muscle comprise…

Q: The figure below shows the muscle tension (Y axis) following the application of stimuli to the…

A: The muscular tension (Y axis) after applying stimuli to the muscle fibre is depicted in the picture…

Q: The function of ATP during muscle contraction is toa. cause an allosteric change in myosin so it…

A: ATP(adenosine triphosphate) causes an allosteric change on myosin so it detaches from actin and…

Q: Muscle tone is: a. the result of voluntary shortening of the muscle. b. the result of a small amount…

A: Muscle tone is define as the contraction of muscle at rest Conditions

Q: Muscle fibers contractions differ with regard to tension and shortening. When a muscle Fiber begins…

A: Isometric and isoconcentric

Q: The decrease in active force that occurs at lengths longer than the optimal length is caused by: O…

A: According to the question, the decrease in active force that occurs at lengths longer than the…

Q: After employing steady-state endurance training for 6-months, in preparation for marathon, which of…

A: Introduction Steady-state cardio encourages weight loss, increases endurance, and has been linked to…

Q: When sarcomeres contract during muscle contraction, which of the following occurs?   A. The myosin…

A: Sarcomeres contract during muscle contraction.

Q: The neurotransmitter that initiates events leading to skeletal muscle contraction is A. creatine…

A: Skeletal muscle can be outlined as the muscles of the body that are voluntary in action. They are…

Q: What happens in a muscle twitch? a. Myosin grabs a thick myofilament. b. Sarcomeres shorten during…

A: Muscle twitches can occur for heaps of reasons like stress, an excess of caffeine, a horrible eating…

Q: Fast oxidative glycolytic fibers in skeletal muscle are used Select one: O a. intermittently, for…

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Q: The intrafusal fibers OA. are of two types, fast twitch and slow twitch. OB. increase in number with…

A: Muscle is a specialized tissue of mesodermal origin. About 40-50% of the bodyweight of a human adult…

Q: A 54-year-old patient diagnosed with toxic fume exposure presents with symptoms affecting the…

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Q: Which one of the following is key element to overall athletic performance? Select one: O a. Increase…

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Q: contraction occurs as the length of the muscle increases. O a. Concentric O b. Eccentric O c. Static…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…