Quiz 1 Questions and Correct Answers 21 to 253 4 FINAL CORRECTED

Notes

Quiz – Questions and Correct Answers (1 to 25) – FINAL CORRECTED Correcciones incluidas: Q2, Q5 y Q8. Question 1: Which of the following is not a function of smooth muscle tissue? Answer: C. forcing blood from the heart into the major arteries Question 2: The type of contraction where the tension is less than the load is called Answer: D. isotonic eccentric contraction Question 3: Since each myofibril is attached at either end of the muscle fiber, when sarcomeres shorten, the muscle fiber Answer: D. shortens Question 4: The series of membranous channels that surround each myofibril is the Answer: B. sarcoplasmic reticulum Question 5: Put the following events of excitation-contraction coupling in the order in which they occur. 1)Excitation 2)Sacormere shortening 3)Generation of muscle tension 4)Neural Control 5)Contraction cycle begins 6)Release of Calcium Ions Answer: B. 4,1,6,5,2,3 Question 6: Triggering of the muscle action potential occurs after Answer: D. acetylcholine binds to chemically-gated channels in the motor end plate Question 7: Fast fibers Answer: C. have low resistance to fatigue and quick twitches Question 8: Where are the myosin molecules located?(IMAGEN) ...