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muscle quiz

chapter

QuestionAnswer
Why is acetylcholine important in the body? It is a protein that is the neurotransmitter released for skeletal muscle tissue stimulation.
What happens to a muscle during an isometric contraction? Its length stays the same, the tension increases.
Which disorder is characterized as an autoimmune disorder that affects muscle contractions? Myasthenia gravis
What is the term for a muscle cell? Myocyte
Which connective tissue covers an individual muscle fiber? Endomysium
When the tension of a muscle increases but there is no visible movement of a body part, it is called: isometric contraction
Which of the following describes an event that occurs in the latent phase of a muscle contraction? Acetylcholine is released and fits into the receptors on the muscle cell.
Which amino acids must come from the diet? Essential
Which of the following aids in the transmission of nerve impulses? Acetylcholine
Which muscles are located in the trunk region of the body? Internal and external abdominal oblique
The action created by standing on tiptoes with the heels off the floor is: Plantar flexion
Which of the following accurately describes the action being described? Making a fist is flexing the fingers.
Which of the following accurately states the action of the muscle? The deltoid abducts the arm.
Which term describes the ability of a muscle cell to return to its original shape after being stretched? Elasticity
What happens at a neuromuscular junction? neurotransmitter is released.
The _________ functions to flex the spine. Rectus abdominis
In reference to muscle fatigue, oxygen debt is: the amount of oxygen required to remove the lactic acid from muscles
Which of the following does electromyography measure? Electricity
Striated, voluntary, multiple nuclei Skeletal muscle tissue
Striated, involuntary, branching cardiac muscle tissue
Non-striated, involuntary Smooth muscle tissue
Flexion is described as: Bending a part of the body anteriorly, such as bending the elbow, decreasing the angle of the elbow joint
Which of the following best describes what a fixator muscle does? It holds an origin stable for another muscle.
Created by: lupita25
 

 



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