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NASM GROUP FITNESS MODULE 3
QUESTIONS AND ANSWERS ALREADY
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What is caused by a tight muscle decreasing the neural drive to its functional antagonist?
Altered reciprocal inhibition
Which of the following is a true statement about type I (slow-twitch) muscle fibers?
They contain a large number of capillaries, mitochondria, and myoglobin.
Which of the following terms refers to vessels that transport blood from the capillaries toward the heart?
Veins
Neurons are composed of which of the following?
Cell body, axon, and dendrites
Which of the following sustains high-power activity without oxygen for up to 15 seconds?
ATP-PC
Which of the following is a component of the appendicular skeleton?
femur
Which of the following is true of the Golgi tendon organ when excited?
It causes a muscle to relax.
Which term refers to the arching of the lumbar spine and is associated with tight hip flexors, lengthened abdominals, and low-back pain?
Lordosis
Which of the following is a muscle that is commonly underactive in the head and neck?
Deep cervical flexors
Cardiac output is represented by which of the following formulas?
SV x HR = Q
Which statement best describes aerobic metabolism?
Maintains high levels of ATP production for longer periods of time
Which is a characteristic of muscle spindles?
They are sensitive to change in length of muscle and the rate of that change.
Which of the following is a function of a heart valve?
It prevents backflow or spillage of blood back into the chambers.
Which of the following refers to all the chemical reactions that occur in the body to maintain itself?
metabolism
Which of the following is referred to as the pacemaker for the heart?
sinoatrial node
Which of the following is part of the cardiovascular system?
