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Socrative bio 210 Comprehensive Test Prep Actual Questions And Correct Detailed Answers.

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  • Course
  • BIO 210
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  • BIO 210

"Staircase" and "warm up" are alternative names for ___________, an increased muscle response to a constant stimulus. - correct answer treppe The are found at the initial segment and conductive segment of the neuron. a. voltage-gated Ca++ channel ...

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  • August 9, 2024
  • 14
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIO 210
  • BIO 210
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Socrative bio 210

"Staircase" and "warm up" are alternative names for ___________, an increased muscle response to a
constant stimulus. - correct answer treppe



The are found at the initial segment and conductive segment of the neuron.

a. voltage-gated Ca++ channel

b. voltage-gated K+ channel

c. chemically gated K+ channel

d. chemically gated Cl- channel

e. voltage-gated Na+ channel - correct answer b and e



Which of the following statements about depolarization is false? - correct answer
depolarization results in more negative membrane potential



Which sequence correctly lists the changes that allow the thick and thin filaments to slide past one
another in skeletal muscle contraction? - correct answer Attach - pivot -
detach - return



The narrow space that separates the motor neuron and the skeletal muscle fiber in a neuromuscular
junction is called the: - correct answer synaptic cleft



These structural characteristics apply to cardiac muscle: - correct answer
single, centrally located nucleus

striated



Waves of contraction traverse an entire sheet of visceral smooth muscle due to the numerous gap
junctions that allow action potentials to pass directly from cell to cell. - correct answer
True

, Which functional area of the neuron propagates the action potential?

a. receptive segment

b. initial segment

c. conductive segment

d. transmissive segment - correct answer conductive segment



Which substances are more prevalent in the cytosol?

a. Na+

b. K+

c. Ca++

d. Cl-

e. P- - correct answer b and e



Incomplete tetanus occurs when action potentials are produced so rapidly that the muscle completely
contracts without any relaxation.

TRUE OR FALSE - correct answer false



In general, fast twitch fibers generate less power than slow twitch fibers.

TRUE OR FALSE - correct answer false



The type of fibers specialized to continue contracting for extended periods of time, as would be required
in running a marathon, for example, are _____ fibers. - correct answer slow
fibers



These statements about creatine phosphate are true except: - correct answer
supports intense exercise for up to 3 minutes



What type of propagation would this neuron use based on its structural features? - correct answer
saltatory propagation

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