BSC 2085: MUSCULAR SYSTEM QUESTIONS AND ANSWERS 2024/2025
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Course
BSC 2085
Institution
BSC 2085
Muscle that has a striped appearance is described as being ________.
a) elastic
b) nonstriated
c) excitable
d) striated
→ d) striated
Which element is important in directly triggering contractions?
a) sodium (Na+)
b) calcium (Ca++)
c) potassium (K+)
d) chloride (Cl-)
→ b) calcium (Ca...
According to the sliding filament model, binding sites on actin open when ________.
a) creatine phosphate levels rise
b) ATP levels rise
c) acetylcholine levels rise
d) calcium ion levels rise
→ d) calcium ion levels rise
The cell membrane of a muscle fiber is called ________.
a) myofibril
b) sarcolemma
c) sarcoplasm
d) myofilament
→ b) sarcolemma
Muscle relaxation occurs when ________.
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