34 The amount of force exerted during muscular contraction is dependent on the a

Question

34 The amount of force exerted during muscular contraction is dependent on the a type of motor units recruited and nothing else. b. type of motor units recruited, the initial length of the muscle, and the nature of the neural stimulation c. length of the muscle fibers only. d. nature of the neural stimulation only. 35. Which of the following events in muscle contraction is the first to occur chronologically? a. The 7-tubules depolarize, causing calcium to be released from the sarcoplasmic reticulum. b. Calcium is resequeslered (taken up) into the sarcoplasmic reticulum. C. Tropomyosin moves, exposing the actin active sites d. The innervating alpha-motor neuron has an action potential e. The binding of acetylcholine causes a skeletal sarcolemma to have an action potential 36. Which of the following events in muscle contraction is the last to occur chronologically? a The T-tubules depolarize, causing calcium to be released from the sarcoplasmic reticulum. b. Calcium is sequestered (taken up) into the sarcoplasmic reticulum. c. Tropomyosin moves, exposing the actin active sites. d. The innervating alpha-motor neuron has an action potential. e. The binding of acetylcholine causes a skeletal sarcolemma to have an action potential. 37. Is used as a measure of the ratio of catabolism to anabolism a Testosterone b Growth hormone c T/C ratio d Anabolic quotient e. General adaptation ratio

Explanation / Answer

34. b

35. d

36. b

37. c

T/C ratio: Testostosterone and Cortisol ratio is used as measure of the ratio of catabolism to anabolism

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