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PDF Download FREE AND STUDY GAMES ABOUT A&P 9-12.3 EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -101 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: each thin filament consists of
- two actin protein strands coiled helically around each other.
- chains of myosin molecules.
- a rod-shaped structure with "heads" projecting from each end.
- a double strand of myosin molecules.
Answer:
chains of myosin molecules Question 2: Which of the following is not considered an accessory synovial structure
- fat pads
- menisci
- tendons
- bursae
- synovial membrane
Answer:
synovial membrane
Question 3: Which of the following is not a property of synovial joints
- freely movable
- lined by a secretory epithelium
- covered by a serous membrane
- contain synovial fluid
- covered by a capsule
Answer:
covered by a serous membrane Question 4: at the end of the muscle, the collage fines of the epimysium, perimysium, and endomysium, come together to form a
- tendon.
- satellite cell.
- ligament.
- tenosynovium.
- sheath.
Answer:
tendon
Question 5: the fulcrum of a lever system is the
- joint.
- muscle.
- bone.
- resistance.
- load.
Answer:
joint
Question 6: all of the following proteins are part of the tin filaments except
- actin.
- tropomyosin.
- troponin.
- titin.
- None of the answers is correct; there are no exceptions.
Answer:
titin
Question 7: the region of the sarcomere containing the thick filaments is the
- Z line.
- M line.
- H band.
- A band.
- I band.
Answer:
A band Question 8: structurally, the pubis symphysis is classified as a ---- articulation
- cartilaginous
- bony
- synovial
- fibrous
- diarthrotic
Answer:
cartilaginous
Question 9: which of the following is a recognized function of skeletal muscle
- produce movement
- maintain posture
- maintain body temperature
- guard body entrances and exits
- All of the answers are correct.
Answer:
all the answers
Question 10: thin filaments are mostly made of the protein
- actin.
- titin.
- myosin.
- tropomyosin.
- nebulin.
Answer:
actin Question 11: since each myofibril is attached at either end of the muscle fiber, when sarcomeres shorten the muscle fiber
- lengthens.
- shortens.
- strengthens.
- weakens.
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