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2024 Newest |A&P Straighterline Final| UPDATE|COMPREHENSIVE FREQUENTLY MOST TESTED QUESTIONS AND VERIFIED ANSWERS|GET IT 100% ACCURATE
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2024 Newest |A&P Straighterline Final| UPDATE|COMPREHENSIVE FREQUENTLY MOST TESTED QUESTIONS AND VERIFIED ANSWERS|GET IT 100% ACCURATE An isotonic contraction is described as Select one: a. action potential frequency is high enough that no relaxation of muscle fibers occurs. b. a muscle produc...

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  • November 11, 2024
  • 104
  • 2024/2025
  • Exam (elaborations)
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  • 2024 newest ap straighterline final up

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2024 Newest |A&P Straighterline Final|2024-2025 UPDATE|COMPREHENSIVE FREQUENTLY
MOST TESTED QUESTIONS AND VERIFIED ANSWERS|GET IT 100% ACCURATE




An isotonic contraction is described as


Select one:




a. action potential frequency is high enough that no relaxation of muscle fibers occurs.


b. a muscle produces constant tension during contraction.


c. a muscle produces an increasing tension during contraction.


d. a muscle produces increasing tension as it shortens.


e. a muscle produces tension, but the length of the muscle is increasing - ANSWER✔✔-

b. a muscle produces constant tension during contraction.


After contraction has occurred, the calcium is


Select one:




a. destroyed by cholinesterase.


b. chemically bound to the cross bridges.


c. secreted by the Golgi apparatus to the outside of the cell.

Copyright ©EMILYCHARLENE2025. ALL RIGHTS RESERVED
Page 1/104

,d. released from troponin.


e. returned to the sarcolemma. - ANSWER✔✔-d. released from troponin.


Increased strength of a trained muscle is due to


Select one:




a. an increased number of muscle fibers.


b. the nervous system's ability to recruit a large number of motor units simultaneously.


c. elimination of unnecessary enzymes and metabolic pathways.


d. elimination of all fat deposits.


e. elimination of unnecessary connective tissue. - ANSWER✔✔-b. the nervous system's

ability to recruit a large number of motor units simultaneously.


Skeletal muscle fibers


Select one:




a. possess striations.


b. can contract but are not extensible or excitable.


c. do not require nerve innervation to contract.


Copyright ©EMILYCHARLENE2025. ALL RIGHTS RESERVED
Page 2/104

,d. increase dramatically in number after birth.


e. are found in the walls of the stomach. - ANSWER✔✔-a. possess striations.


Which of the following correctly describes myoglobin's special function in muscle

tissue?


Select one:




a. breaks down glycogen


b. synthesizes ATP


c. acts as a reservoir for oxygen


d. produces action potentials


e. stores glucose - ANSWER✔✔-c. acts as a reservoir for oxygen


The outside of the resting plasma membrane is __________ relative to the inside of the

resting plasma membrane.


Select one:




a. positively charged


b. negatively charged


Copyright ©EMILYCHARLENE2025. ALL RIGHTS RESERVED
Page 3/104

, c. electrically neutral


d. recharged


e. None of these choices is correct. - ANSWER✔✔-a. positively charged


Fascia


Select one:




a. surrounds individual muscles.


b. separates muscle fibers.


c. connects muscles to bone.


d. is a type of muscle tissue.


e. is a type of nerve tissue. - ANSWER✔✔-a. surrounds individual muscles.


When repolarization of the cell membrane is complete, the


Select one:




a. cell dies.


b. cell regenerates.


c. cell no longer has a potential difference across its membrane.

Copyright ©EMILYCHARLENE2025. ALL RIGHTS RESERVED
Page 4/104

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