BIO 264 FINAL EXAM 2024 WITH 100% CORRECT ANSWERS

BIO 264 FINAL EXAM 2024 WITH 100% CORRECT ANSWERS Once excitation-contraction coupling has occurred, calcium ion concentration increases dramatically in the: a. sarcoplasmic reticulum b. cytosol of the muscle fiber c. sarcolemma d. terminal cisterna e. there is no change in calcium concentration - correct answer b. cytosol of the muscle fiber As Lisa drove home, she was suddenly alerted to the sound of a blaring horn and realized she had drifted off to sleep. Which nervous system division dominated when she was startled awake? a. sensory nervous system b. sympathetic nervous system c. parasympathetic nervous system d. somatic nervous system - correct answer b. sympathetic nervous system Jorge tried to pick up his sofa but discover that it is much heavier than he expected. What must occur in the muscle to increase tension so he can pick up this heavy piece of furniture? a. tetanic spasm b. recruitment of additional motor units c. pliometric contraction d. isotonic eccentric contractions - correct answer b. recruitment of additional motor units Th