Bergen Community College
BIO 109 Anatomy Exam 3 Questions and
Answers 2026 Latest Update
A fibrous joint is held together by what? Ans: Dense collagen, they lack
cartilage and a synovial cavity
What is the articulating disc in the knee? Ans: meniscus
What is a sprain? Ans: Forcible twisting of a joint, it stretches or tears a
ligament
What is a strain? Ans: Partial torn muscle or tendon, it happens to runners
or soccer players
What does gliding mean? Ans: Bones go side to side or back and forth
Muscles must cross one what for movement? Ans: Joint
Muscles are how much of our body weight? Ans: 40-50% or half
What are the functions of muscle? Ans: Create motion, maintain posture,
store substance, move substances, generate heat
Where do we find cardiac muscle? Ans: The heart
Myoblasts make what? Ans: Skeletal muscle
What does the myofibril do? Ans: Contract muscles
Tendons attach to what? Ans: bone
What does fascia do? Ans: Holds together muscles, bones, organs, blood
vessels, and nerves. (web)
What's the broad tendon on top of your head? Ans: aproneurosis
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The frontalis connects to the occipitalis, what muscle is that? Ans:
occipitofrontalis
What is tetanus? Ans: Sustained muscle contraction, muscle twitches
overlap because the muscle doesn't have time to relax
What is a thin filament made of? Ans: Actin
What is a thick filament made of? Ans: Myosin
What binds to actin? Ans: Myosin
What is key for muscle contraction? Ans: calcium
What is a brief muscle contraction fiber? Ans: A twitch contraction,
contraction and relaxation
What is ATP for? Ans: Provides energy for muscles to slide past each other
and contract
What is myofibrillar for? Ans: for muscle contraction and function
What is in heart muscles? Ans: Intercalated discs
What kind of muscles are cardiac muscle and smooth muscle? Ans:
autorhythmic muscles, they are not under voluntary control.
Who has slow twitch fibers? Ans: runners and swimmer, long distance (high
gear)
Who has fast twitch fibers? Ans: walking up hill and golf players (low gear)
What is concentric contraction? Ans: Picking something up ⤴️
What is eccentric contraction? Ans: Lowering something ⤵️
What is isometric movement? Ans: No movement ➡️
What is fibrosis? Ans: replacement of muscle fibers with lots of connective
tissue - usually by injury
What is myosclerosis? Ans: Hardening of muscles, typically because of
calcium build up
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