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BSNC 1000 Final Set Questions With Revised Correct Answers

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BSNC 1000 Final Set Questions With Revised Correct Answers 1) What body systems does mobility involve - ANSWER skeletal, muscular, nervous 2) Under what conditions could someone have impaired mobility - ANSWER bone/joint diseases (osteoporosis/arthritis) surgery broken bon...

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  • August 26, 2024
  • 53
  • 2024/2025
  • Exam (elaborations)
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  • bsnc 1000 final set questions with revised correc

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BSNC 1000 Final Set Questions
With Revised Correct Answers

1) What body systems does mobility involve - ANSWER
skeletal, muscular, nervous


2) Under what conditions could someone have impaired
mobility - ANSWER bone/joint diseases
(osteoporosis/arthritis)
surgery
broken bones
disabilities


3) How are gas exchange and mobility related - ANSWER
mobility of ribs and breathing muscles aid in breathing
properly
supports aerobic activity


4) 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


5) Requirements for mobility - ANSWER 1. joint stability
2. healthy bones
3. muscle strength
4. neurological function
5. nutrition


6) 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)


7) Cell types in bones - ANSWER osteoblast, osteoclast,
osteocyte, osteogenic cell (stem cells)


8) Extracellular matrix - ANSWER osteoid (organic)-
collagen and calcium-binding proteins, it is the intercellular
matrix
inorganic - minerals (calcium, Mg, carbonate, phosphate) and
water

,9) Bone remodelling - ANSWER ongoing replacement of old
bone tissue by new bone tissue
maintain and repair
adaptation to stress (weightlifting)
mineral regulation


10. Which part of the bone does remodelling occur - ANSWER
Trabelcullar surface of spongy bone


11. 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


12. 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
hyperparathyroidism
glucocorticoids
smoking/alcohol


peak bone mass - ANSWER the highest attainable bone
density for an individual, developed during the first three
decades of life
- in puberty, bone formation exceeds resorption

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