BSNC 1000 Final Exam Questions With Correct Answers.
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Course
BSNC 1000
Institution
BSNC 1000
BSNC 1000 Final Exam Questions With
Correct Answers.
What body systems does mobility involve - answerskeletal, muscular, nervous
under what conditions could someone have impaired mobility - answerbone/joint diseases
(osteoporosis/arthritis)
surgery
broken bones
disabilities
how are gas exch...
BRIGHTSTARS EXAM STUDY SOLUTIONS 8/15/2024 2:05 PM
BSNC 1000 Final Exam Questions With
Correct Answers.
What body systems does mobility involve - answer✔✔skeletal, muscular, nervous
under what conditions could someone have impaired mobility - answer✔✔bone/joint diseases
(osteoporosis/arthritis)
surgery
broken bones
disabilities
how are gas exchange and mobility related - answer✔✔mobility of ribs and breathing muscles
aid in breathing properly
supports aerobic activity
how are mobility and perfusion related - answer✔✔increased blood flow to muscles, helps with
endurance and strength
delivers blood and nutrients to the bones and takes away waste
requirements for mobility - answer✔✔1. joint stability
2. healthy bones
3. muscle strength
4. neurological function
5. nutrition
aging effects on mobility - answer✔✔loss of bone mass, decreased height (can lead to
osteoporosis)
muscle atrophy (can lead to sarcopenia)
increased stiffness of joints (can lead to osteoarthritis)
, BRIGHTSTARS EXAM STUDY SOLUTIONS 8/15/2024 2:05 PM
cell types in bones - answer✔✔osteoblast, osteoclast, osteocyte, osteogenic cell (stem cells)
extracellular matrix - answer✔✔osteoid (organic)- collagen and calcium-binding proteins, it is
the intercellular matrix
inorganic - minerals (calcium, Mg, carbonate, phosphate) and water
bone remodelling - answer✔✔ongoing replacement of old bone tissue by new bone tissue
maintain and repair
adaptation to stress (weightlifting)
mineral regulation
which part of the bone does remodelling occur - answer✔✔Trabelcullar surface of spongy bone
4 steps of bone remodelling - answer✔✔1. resorption - osteoclasts attach to bone surface
andremove bone matrix
2. reversal - transitional period bt resorption and formation
3. formation - osteoblasts secrete osteoid
4. mineralization - osteoblasts deposit minerals in the formed organic osteoid matrix
osteoperosis - answer✔✔a condition characterized by a decrease in bone density, producing
porous and fragile bones
- silent
- increase risk of fracture
- bone resorption exceeds remodelling
osteoporosis risk factors - answer✔✔age (older adults)
gender (female)
race
genetics (small body frame)
family history
poor peak bone mass
low ca or vit d
low physical activity
poor nutrition
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