BIOL250 W10 QUIZ 7

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School

American Military University *

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Course

250

Subject

Biology

Date

Jan 9, 2024

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pdf

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Uploaded by GrandComputerCrocodile

12/10/23, 8 : 11 PM - BIOL250 A003 Fall 2023 - APEI Page 1 of 16 https://myclassroom.apus.edu/d2l/lms/quizzing/user/quiz_submissi…TimeUp=0&isprv=0&dnb=1&cfql=1&fromQB=0&d2l_body_type=1&ou=132512 W10: Quiz 7 1 2 Your work has been saved and submitted Written Dec 10, 2023 10:25 PM - Dec 10, 2023 11:11 PM • Attempt 2 of Unlimited Attempt Score 96 / 100 - 96 % Overall Grade (Highest Attempt) 96 / 100 - 96 % Question 1 4 / 4 points A muscle-forming stem cell is called a what?

12/10/23, 8 : 11 PM - BIOL250 A003 Fall 2023 - APEI Page 2 of 16 https://myclassroom.apus.edu/d2l/lms/quizzing/user/quiz_submissi…TimeUp=0&isprv=0&dnb=1&cfql=1&fromQB=0&d2l_body_type=1&ou=132512 Hide ques ! on 1 feedback Question 2 4 / 4 points Which structures of cardiac muscle allows the cells to contract in waves so the heart can work as a pump? Hide ques ! on 2 feedback Somite Mesodermal cell Myotube Satellite cell Myoblast Good work; your answer is correct! Syncytium Nucleus Intercalated discs Gap junction Desmosome Good work; your answer is correct!

12/10/23, 8 : 11 PM - BIOL250 A003 Fall 2023 - APEI Page 3 of 16 https://myclassroom.apus.edu/d2l/lms/quizzing/user/quiz_submissi…TimeUp=0&isprv=0&dnb=1&cfql=1&fromQB=0&d2l_body_type=1&ou=132512 Question 3 0 / 4 points Which type of contraction allows a muscle to produce tension without changing the angle of a skeletal joint or moving a load? Hide ques ! on 3 feedback Question 4 4 / 4 points Upon skeletal muscle membrane depolarization, what structures are triggered to open? A packet of actin and myosin microfilaments A motor neuron and the muscle fibers it innervates All of the muscle fibers in a specific muscle The sarcomere and its associated sarcolemma A functional group of sarcomeres A motor unit is comprised of a single motor neuron and all of the muscle fibers it innervates. Synaptic clefts Voltage-gated sodium channels Motor end plates Axon hillocks Neurotransmitters

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12/10/23, 8 : 11 PM - BIOL250 A003 Fall 2023 - APEI Page 4 of 16 https://myclassroom.apus.edu/d2l/lms/quizzing/user/quiz_submissi…TimeUp=0&isprv=0&dnb=1&cfql=1&fromQB=0&d2l_body_type=1&ou=132512 Hide ques ! on 4 feedback Question 5 4 / 4 points Which two proteins interact to cause a contraction in skeletal muscle? Hide ques ! on 5 feedback Question 6 4 / 4 points The functional unit of a muscle fiber is called what? Good work; your answer is correct! Adenine and Guanine Collagen and Actin Keratin and Collagen Myosin and Elastin Actin and Myosin Good work; your answer is correct!

12/10/23, 8 : 11 PM - BIOL250 A003 Fall 2023 - APEI Page 5 of 16 https://myclassroom.apus.edu/d2l/lms/quizzing/user/quiz_submissi…TimeUp=0&isprv=0&dnb=1&cfql=1&fromQB=0&d2l_body_type=1&ou=132512 Hide ques ! on 6 feedback Question 7 4 / 4 points Smooth muscle tissue can be found in all but which of the following places? Hide ques ! on 7 feedback Sartorius Sarcophagus Sarcolemma Sarcoplasmic reticulum Sarcomere Good work; your answer is correct! Artery walls Stomach Visceral organs Heart Skin Good work; your answer is correct!

12/10/23, 8 : 11 PM - BIOL250 A003 Fall 2023 - APEI Page 6 of 16 https://myclassroom.apus.edu/d2l/lms/quizzing/user/quiz_submissi…TimeUp=0&isprv=0&dnb=1&cfql=1&fromQB=0&d2l_body_type=1&ou=132512 Question 8 4 / 4 points Where does a muscle fiber first respond to signaling from a motor neuron? Hide ques ! on 8 feedback Question 9 4 / 4 points In the Sliding Filament Model of Contraction, actin and myosin filaments slide past one another using what as an energy source? Hide ques ! on 9 feedback Flexible hinge region Myosin binding site Neuromuscular Junction ATP-binding site Excitation point Good work; your answer is correct! Carbon Dioxide NADH DNA ATP ADP

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12/10/23, 8 : 11 PM - BIOL250 A003 Fall 2023 - APEI Page 7 of 16 https://myclassroom.apus.edu/d2l/lms/quizzing/user/quiz_submissi…TimeUp=0&isprv=0&dnb=1&cfql=1&fromQB=0&d2l_body_type=1&ou=132512 Question 10 4 / 4 points Which of the following is not a type of muscle tissue? Hide ques ! on 10 feedback Question 11 4 / 4 points In muscular hypertrophy, what happens to muscle fibers? Good work; your answer is correct! Skeletal Muscle Elastic Muscle Cardiac Muscle Smooth Muscle All of the above are types of muscle tissue Good work; your answer is correct! Muscle fibers deteriorate from lack of use New muscle cells are formed Structural proteins are added and cell diameter increases Structural proteins are lost and cell diameter decreases Muscle mass decreases

12/10/23, 8 : 11 PM - BIOL250 A003 Fall 2023 - APEI Page 8 of 16 https://myclassroom.apus.edu/d2l/lms/quizzing/user/quiz_submissi…TimeUp=0&isprv=0&dnb=1&cfql=1&fromQB=0&d2l_body_type=1&ou=132512 Hide ques ! on 11 feedback Question 12 4 / 4 points Which property allows muscle tissue to pull on its attachment points and shorten with force? Hide ques ! on 12 feedback Question 13 4 / 4 points All of the following are functions of skeletal muscles except for which? Good work; your answer is correct! Elasticity Extensibility Excitability Contractility Volatility Good work; your answer is correct!

12/10/23, 8 : 11 PM - BIOL250 A003 Fall 2023 - APEI Page 9 of 16 https://myclassroom.apus.edu/d2l/lms/quizzing/user/quiz_submissi…TimeUp=0&isprv=0&dnb=1&cfql=1&fromQB=0&d2l_body_type=1&ou=132512 Hide ques ! on 13 feedback Question 14 4 / 4 points How is Treppe different from Tetanus? Hide ques ! on 14 feedback Question 15 4 / 4 points Regulate blood pressure Produce movement Stop movement Maintain balance Produce heat Good work; your answer is correct! Treppe and tetanus are essentially the same Treppe occurs with relaxation in between stimuli Treppe occurs when successive stimuli occur before the muscle can relax Treppe results in a fused contraction Treppe does not result in greater contractile force Good work; your answer is correct!

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12/10/23, 8 : 11 PM - BIOL250 A003 Fall 2023 - APEI Page 10 of 16 https://myclassroom.apus.edu/d2l/lms/quizzing/user/quiz_submissi…imeUp=0&isprv=0&dnb=1&cfql=1&fromQB=0&d2l_body_type=1&ou=132512 Varying degrees of contractive force in a skeletal muscle are generated through the process of what? Hide ques ! on 15 feedback Question 16 4 / 4 points All but which of the following are characteristics of aerobic respiration? Hide ques ! on 16 feedback Motor unit suppression Muscle twitch Tetanus Motor unit recruitment Contraction phase Good work; your answer is correct! Glycolysis Increases the efficiency of the circulatory system Takes place in the mitochondria Requires glucose Requires oxygen to produce ATP Good work; your answer is correct!

12/10/23, 8 : 11 PM - BIOL250 A003 Fall 2023 - APEI Page 11 of 16 https://myclassroom.apus.edu/d2l/lms/quizzing/user/quiz_submissi…imeUp=0&isprv=0&dnb=1&cfql=1&fromQB=0&d2l_body_type=1&ou=132512 Question 17 4 / 4 points Slow oxidative (SO) muscle fibers: Hide ques ! on 17 feedback Question 18 4 / 4 points Which is moved the least during muscle contraction? Do not produce ATP Use primarily anaerobic glycolysis May fatigue more quickly than fast glycolic and fast oxidative fibers Are intermediate types between fast glycolic and fast oxidative fibers Use primarily aerobic respiration Good work; your answer is correct! the origin the tendons the insertion the ligaments the joints

12/10/23, 8 : 11 PM - BIOL250 A003 Fall 2023 - APEI Page 12 of 16 https://myclassroom.apus.edu/d2l/lms/quizzing/user/quiz_submissi…imeUp=0&isprv=0&dnb=1&cfql=1&fromQB=0&d2l_body_type=1&ou=132512 Hide ques ! on 18 feedback Question 19 4 / 4 points Which of the following terms would be used in the name of a muscle that moves the leg away from the body? Hide ques ! on 19 feedback Question 20 4 / 4 points The skeletal muscles are divided into _______ (muscles of the trunk and head) and ___________ (muscles of the arms and legs) categories. Good work; your answer is correct! extensor flexor adductor rotator abductor Good work; your answer is correct!

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12/10/23, 8 : 11 PM - BIOL250 A003 Fall 2023 - APEI Page 13 of 16 https://myclassroom.apus.edu/d2l/lms/quizzing/user/quiz_submissi…imeUp=0&isprv=0&dnb=1&cfql=1&fromQB=0&d2l_body_type=1&ou=132512 Hide ques ! on 20 feedback Question 21 4 / 4 points Which of the following statements is correct about what happens during flexion? Hide ques ! on 21 feedback superior, inferior proximal, distal axial, appendicular trunk, extremity anterior, posterior Good work; your answer is correct! The bone rotates. The angle between bones is decreased. The angle between bones is increased. The bone moves toward the center of the body. The bone moves away from the body. Good work; your answer is correct!

12/10/23, 8 : 11 PM - BIOL250 A003 Fall 2023 - APEI Page 14 of 16 https://myclassroom.apus.edu/d2l/lms/quizzing/user/quiz_submissi…imeUp=0&isprv=0&dnb=1&cfql=1&fromQB=0&d2l_body_type=1&ou=132512 Question 22 4 / 4 points Anatomists name the skeletal muscles according to a number of criteria, each of which describes the muscle in some way. These include naming it_____________. Hide ques ! on 22 feedback Question 23 4 / 4 points To pull on a bone, that is, to change the angle at its synovial joint, which essentially moves the skeleton, a skeletal muscle must also be attached to a fixed part of the skeleton. The moveable end of the muscle that attaches to the bone being pulled is called the muscle's ________, and the end of the muscle attached to a fixed (stabilized) bone is called the _______. after its shape its size compared to other nearby muscles its location in the body its action All of the above Good work; your answer is correct!

12/10/23, 8 : 11 PM - BIOL250 A003 Fall 2023 - APEI Page 15 of 16 https://myclassroom.apus.edu/d2l/lms/quizzing/user/quiz_submissi…imeUp=0&isprv=0&dnb=1&cfql=1&fromQB=0&d2l_body_type=1&ou=132512 Hide ques ! on 23 feedback Question 24 4 / 4 points Although a number of muscles may be involved in an action, the principal muscle involved is called the prime mover, or ________. A muscle with the opposite action of the prime mover is called an _________. Hide ques ! on 24 feedback Insertion; origin Beginning; end Origin; insertion Origin; fixed end Beginning; insertion Good work; your answer is correct! agonist; antagonist antagonist; opposer antagonist; agonist agonist; secondary mover None of the above are true. Good work; your answer is correct!

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12/10/23, 8 : 11 PM - BIOL250 A003 Fall 2023 - APEI Page 16 of 16 https://myclassroom.apus.edu/d2l/lms/quizzing/user/quiz_submissi…imeUp=0&isprv=0&dnb=1&cfql=1&fromQB=0&d2l_body_type=1&ou=132512 Question 25 4 / 4 points Think about the things that you do each day—talking, walking, sitting, standing, and running—all of these activities require movement of particular _____________. Hide ques ! on 25 feedback Done smooth muscles skeletal muscles joints cartilage B and C are correct Good work; your answer is correct!

BIOL250 W10 QUIZ 7

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