MT 2 Practice Questions - Muscle and Renal

MT 2 Practice Questions - Muscle and Renal - MT 2 Practice...

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1 MT 2 Practice Questions - Muscle and Renal (Spring 2011) Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. When skeletal muscle relaxes a. the A band shorten. b. the I band broadens. c. the H zone shortens. d. a and c e. b and c ____ 2. Binding of __________ to myosin permits cross-bridge __________ between actin and myosin. a. ATP, binding b. ATP, detachment c. calcium, binding d. calcium, detachment e. none of these answers ____ 3. Which of the following statements concerning cross bridges of skeletal muscle is incorrect? Cross bridges a. are formed by the globular heads of the myosin molecules as they protrude from the thick filaments. b. bend during muscle contraction. c. bind to actin during muscle contraction. d. are not found in the I band. e. bind with troponin and tropomyosin during muscle contraction to pull them away from the actin helical chain. ____
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MT 2 Practice Questions - Muscle and Renal - MT 2 Practice...

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