Biology > LAB QUIZ > Straighterline BIO 201L Lab 7 The Muscular System Quiz 2022 | Complete | 100% Correct Answers (All)

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Straighterline BIO 201L Lab 7 The Muscular System Quiz 2022 | Complete | 100% Correct Answers

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 BIO201L LAB_V3  Lab 7 The Muscular System Started on Wednesday, August 31, 2022, 6:27 AM State Finished Completed on Wednesday, August 31, 2022, 6:36 AM Time taken 9 mins 17 secs Grade 35 ... .00 out of 35.00 (100%) Question 1 Correct 3.50 points out of 3.50 Flag question Question text Prime movers are the muscles that stabilize joints. Select one: a. True b. False Question 2 Correct 3.50 points out of 3.50 Flag questionQuestion text A sarcomere is: Select one: a. The contractile unit of a muscle. b. Striations of a muscle. c. A unit of myofilament. d. The nonfunctional segment of skeletal muscle. Question 3 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 4 Correct 3.50 points out of 3.50 Flag question Question text The criteria for naming muscles include: Select one: a. Muscle Location b. Number of Originsc. Fascicle Direction d. All of the above. Question 5 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 6 Correct 3.50 points out of 3.50 Flag question Question text The Z-line is: Select one: a. A protein disk that bisects and anchors the I-band. b. The area between filaments. c. A bundle of myofilaments. d. Extensions of the sarcolemma. Question 7 Correct 3.50 points out of 3.50Flag 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 8 Correct 3.50 points out of 3.50 Flag question Question text What is the functional purpose of calcium (Ca2+) in muscle contraction? Select one: a. To cause a positional change in troponin. b. To cause a positional change in actin. c. To cause a positional change in tropomyosin. d. To cause a positional change in myosin. Question 9 Correct 3.50 points out of 3.50Flag 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 Muscle cells are also called myocytes or muscle fibers. Select one: a. True b. False [Show More]

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