Exam (elaborations)
IVY TECH APHY 101 EXAM 3 QUESTIONS AND ANSWERS
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IVY TECH APHY 101 EXAM 3 QUESTIONS AND ANSWERS
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1-74 of 74The smallest stimulus strength that triggers a contraction in a muscle fiber is called a
__________ stimulus.
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threshold
Which of the following best describes the causes of common forms of arthritis?
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Rheumatoid arthritis is an autoimmune disease and osteoarthritis is caused
by effects of aging.
Muscle fibers generally only have one motor end plate, but motor neurons innervate
many different muscle fibers in a group. Choose the statement that correctly explains
how this affects muscle contraction.
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A signal traveling through one motor neuron can potentially make multiple
fibers in a group contract, generating more force.
A synovial membrane
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secretes synovial fluid.
It is possible to determine if a child's long bone is growing by examining a radiograph
of the bone and looking for a(n)
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epiphyseal plate.
, Articular cartilage is
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hyaline cartilage.
Calcitonin is released when blood calcium levels are __________. This hormone stimulates
__________ to build bone, storing excess calcium.
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high; osteoblasts
The enzyme acetylecholinesterase causes acetylcholine to
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decompose
A tendon is __________, whereas an aponeurosis is __________.
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cordlike and connects muscles to bones; a broad sheet of dense
connective tissue that connects muscles to muscles
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