A&P 1 Final Review
Flashcard
•
Science
•
11th Grade - University
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
How do skeletal muscles contract?
Back
The myofilaments move closer to each other shortening the sarcomere.
2.
FLASHCARD QUESTION
Front
Which relaxes faster, skeletal muscle or smooth muscle?
Back
Skeletal muscle.
3.
FLASHCARD QUESTION
Front
Which filament is the thick filament?
Back
Myosin.
4.
FLASHCARD QUESTION
Front
Which regulatory protein in a skeletal muscle fiber needs to bind calcium to activate?
Back
Troponin.
5.
FLASHCARD QUESTION
Front
True or False: Cardiac muscle requires more mitochondria than skeletal muscle because cardiac muscle contracts more often.
Back
True.
6.
FLASHCARD QUESTION
Front
What is the role of actin in muscle contraction?
Back
Actin is a thin filament that interacts with myosin to facilitate muscle contraction.
7.
FLASHCARD QUESTION
Front
What is the function of myosin in muscle contraction?
Back
Myosin is a thick filament that pulls on actin to shorten the muscle fiber.
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