Describe the effects of histamine and NO on smooth muscle activity.
Q: List some skeletal muscle disorders?
A: Skeletal muscle disorder is also known as Musculoskeletal disorder and abbreviated as MSDs . As…
Q: Define acetylcholine
A: The term 'acetylcholine' is used to denote a chemical molecule that functions as an important…
Q: On a muscle twitch recording, label the latent period, period of contraction, and period of…
A: Muscle cells are specific for contraction. It allows for motions and facilitates bodily processes…
Q: Explain why stretching exercises may reduce the incidence of muscle injuries?
A: Skeletal muscle injury represents the great part of all traumas in sports medicine, with an…
Q: Describe the stages of a twitch contraction and explain how a twitch is affected by the frequency of…
A: Twitch contraction: Contraction of the muscle fibres occurs when the action potential travels down…
Q: Describe the events that result in the relaxation of skeletal musclefibers?
A: A smooth, sustained contraction from the rapid stimulation of skeletal muscle fibers is called…
Q: List the factors responsible for skeletal muscle fatigue?
A: Muscle fatigue refers to a decrease in muscle strength produced during continuous periods of…
Q: Name the stages of a muscle twitch in order
A: Muscle twitches are involuntary contractions of the muscle fibers. Nerves control these muscle…
Q: Describe the functions of gamma motor neurons and explain why they are stimulated at the same time…
A: The gamma motor neurons innervate the muscle spindle at every finish. they permit contraction of the…
Q: Explain Muscle Activity?
A: The cell is the primary fundamental of life. Multiple cell layers assemble adjacently to construct a…
Q: Describe the events by which depolarization of a smooth muscle cell results in contraction and…
A: Smooth muscle is a kind of muscle that is used by various systems to apply pressure on organs and…
Q: Explain the specific role of acetylcholine (ACh) instimulating a muscle fiber to contract.
A: Acetylcholine (ACh) is a neurotransmitter that is secreted by the nerve terminals into the synapse.…
Q: Describe the factors that contribute to muscle fatigue.
A: Muscle fatigue refers to the symptom that reduces the ability of muscles to work overtime. It can be…
Q: A skeletal muscle can be stimulated, under laboratory conditions, with a supramaximal stimulus. Is…
A: As the nervous system produces electrical stimuli called an action potential, it passes through a…
Q: Explain why cardiac muscle cannot undergo tetanic contractions?
A: Cardiac muscles are the muscles present in the heart. They are involuntary in action which means…
Q: Explain how muscle cells respond over the long term to consistent exercise.
A: Because cardiac muscle cells and smooth muscle cells are both tiny cells, a muscle cell is also…
Q: Explain Smooth Muscle Contraction and Its Control?
A: Smooth muscle to controlled by the autonomic nervous system. Smooth muscle contraction uses less…
Q: Describe the changes that occur in the muscular system in old age?
A: Muscular system consist of four main muscles, cardiac muscle, skeletal muscle and smooth muscles. It…
Q: Describe in relation to the functions of the muscular system. Excitable or Irritable.
A: The muscular system is one of the important systems in the body that helps in movement. This system…
Q: Muscle fatigue is caused by ________. a. buildup of ATP and lactic acid levels b. exhaustion of…
A: All living cells require energy to continue the physiological functions. For extracting energy they…
Q: How is smooth muscle contraction affected by the drugs called calcium channel blockers?
A: Calcium ions move in and out of the cell with the help of calcium channels that present in cardiac…
Q: Why is the muscle glycogen higher than normal?
A: Glycogen is considered as the complex form of the carbohydrate, which acts as an energy source.…
Q: Outline the model to explain delayed-onset muscle soreness.
A: Delayed onset muscle soreness occur and it cause pain amd inflammation and this is temporary.and…
Q: Describe the interrelationships among muscle work, oxygen consumptionand cardiac output.
A: Oxygen consumption, Muscle work, and cardiac Output are interrelated. Cardiac output and oxygen…
Q: Describe the activation of the β2 (beta2) adrenergic receptor, and briefly explain how this leads to…
A: Introduction :- Adrenergic receptors are cell surface receptors that become active when they contact…
Q: A smooth, sustained contraction from rapid stimulation of skeletal muscle fibers is called
A: TISSUE: These tissues differ from others in that they have the ability to contract and relax, which…
Q: Describe the results of the muscle biopsy.
A: Muscle biopsy is the procedure of removal of cells or tissues from a particular area of the human…
Q: Explain the movement of ions into, out of, and within the muscle fber after Acetylcholine (ACh)…
A: The sarcolemma is the plasma membrane of the muscle cell that is surrounded by a basement membrane…
Q: Describe the changes that occur in skeletal muscle as a result of endurance training. Include a…
A: Endurance training is sustained physical exercise to improve the endurance of an individual.…
Q: Explain how muscle tone is produced.?
A: The tension in the muscles at rest is called the muscle tone. It can be considered as the partial…
Q: Identify the ways that increased IP3 can cause contraction. Identify the ways that increased cAMP…
A: 1. The contraction of the smooth muscle is generated due to the production of several…
Q: Describe the differences between white muscle and red muscle.
A: The protein myoglobin stores oxygen in muscle cells, which use oxygen to extract the energy needed…
Q: Explain what the zone of overlap is, and how it contributes to muscle contraction (hint: include…
A: We are answering the first part only. For rest of question pls repost.
Q: Describe the Neural excitation of the muscle and Describe how a signal arriving at the axon terminal…
A: Neurons are the basic unit of the nervous system that carry electrical stimuli throughout the body.…
Q: Differentiate muscle hypertrophy from atrophy and give acause of each.
A: Atrophy It is defined as reduce in size of cells, tissues or organs. Muscle wasting It is…
Q: Describe the organization of muscle at the tissue level.
A: Tissue level of organisation consists of a group of cells that work together to accomplish one or…
Q: Explain the elation between muscles,ATP energy, and the calcium ion.
A: Muscle is a form of tissue that allows the movement or support to the body of organisms.It contains…
Q: Explain, giving two causative factors, why skeletal muscle displays fatigue.
A: Skeletal muscle is a form of striated muscle tissue which is under the voluntary control of the…
Q: Explain how more than one smooth muscle cell can be influenced by an action potential generated in…
A: Explain how more than one smooth muscle cell can be influenced by an action potential generated in…
Q: Muscle fatigue is associated with
A: The clinical conditions that cause muscle fatigue include Addison's disease, age, anaerobic…
Q: List and describe the structures associated with energy production within skeletal muscle fibers.
A: Respiration is biochemical process that is aimed at deriving energy from food. This can occur with…
Q: What is muscle fatigue? List the three locations where fatigue can develop.
A: Muscle fatigue is a symptom which decrease the ability of muscles to perform and generate force. It…
Q: Identify the location of both multiunit smooth muscle and single-unit smooth muscle, and explain the…
A: Smooth muscles as the name suggests, are smooth in appearance i.e. they do not have striations on…
Q: What is the major fuel for resting muscle?
A: Biomolecules are an important part of the human body, they provide energy to the body for its proper…
Describe the effects of histamine and NO on smooth muscle activity.
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- Describe the regulation of smooth muscle contraction by intracellular calcium and how cross-bridge cycling is terminated when calcium decreases again.Muscle fatigue is associated withProvide a explantion of the Intracellular mechanism of smooth muscle relaxation via antagonists such as meypriame binding and blocking muscarinic receptors M3.