Biology > LAB QUIZ > BIO201L LAB ONLY_V2_Lab 7 The Muscular System (GRADED A+) (All)

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BIO201L LAB ONLY_V2_Lab 7 The Muscular System (GRADED A+)

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Page path  BIO201L LAB ONLY_V2  Lab 7 The Muscular System Started on Thursday, March 31, 2022, 7:22 PM State Finished Completed on Thursday, March 31, 2022, 7:28 PM Time taken 6 mins 31 se ... cs Grade 35.00 out of 35.00 (100%) Question 1 Correct 3.50 points out of 3.50 Flag question Question text Which of the following is NOT true regarding motor neurons? Select one: a. Motor neurons are neurons that simulate muscles. b. The motor neurons and muscles that form the neuromuscular junction controls involuntary action. c. A motor unit includes one motor neuron and all of the muscle fibers it innervates. d. The axon of a motor neuron has several terminal branches that form a neuromuscular junction with one muscle fiber. Question 2 Correct 3.50 points out of 3.50 Flag question Question text The positional change in tropomyosin exposes myosin binding sites on what protein? Select one: a. Troponin b. Myosin Head c. Adenosine Triphosphate d. Actin Question 3 Correct 3.50 points out of 3.50 Flag question Question text What is the most common muscle type in the human body? Select one: a. Cardiac b. Skeletal c. Smooth d. All muscle types are evenly distributed throughout the body. Question 4 Correct 3.50 points out of 3.50 Flag question Question text What is the difference between an origin and an insertion? Select one: a. Origins occur where a muscle meets the stable bone, and insertions occur where a muscle meets the mobile bone. b. Origins occur where a muscle meets the mobile bone, and insertions occur where a muscle meets the stable bone. c. Origins occur where a muscle begins to grow, and insertions occur where muscle growth ceases. d. Origins occur where muscle growth ceases, and insertions occur where a muscle begins to grow. Question 5 Correct 3.50 points out of 3.50 Flag question Question text Which muscle type is striated? Select one: a. Skeletal b. Smooth c. Both skeletal and smooth d. neither skeletal nor smooth Question 6 Correct 3.50 points out of 3.50 Flag question Question text How do skeletal muscle generate different levels of force? Select one: a. Action Potentials b. Force Summation c. Twitch Contractions d. Excitation-Contraction Coupling Question 7 Correct 3.50 points out of 3.50 Flag question Question text A triad is composed of: Select one: a. Three t-tubules. b. Three terminal cisternae. c. Two terminal cisternae and one t-tubule. d. One terminal cisternae and two t-tubules. Question 8 Correct 3.50 points out of 3.50 Flag question Question text The three major types of skeletal muscle are cardiac, skeletal, and digestive. Select one: a. True b. False Question 9 Correct 3.50 points out of 3.50 Flag question Question text The contractile unit of the muscle fiber is the sarcoplasmic reticulum. Select one: a. True b. False Question 10 Correct 3.50 points out of 3.50 Flag question Question text What structural units perform muscle fiber contractions? Select one: a. Actin b. Myofibrils c. Myofilaments d. Sarcomere [Show More]

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