48 Questions
Which of the following is a learning outcome for Module 6 Mobility BHSC 1000 Class 1?
Identify risk factors for impaired mobility in an older adult
What is the scope of mobility as mentioned in the text?
Gross simple movements and fine complex movements
How are the concepts of perfusion, mobility, and gas exchange connected?
Perfusion facilitates venous return, improves circulation and strengthens cardiovascular health
What are the requirements for mobility as mentioned in the text?
Not provided in the text
Which of the following is a risk factor for impaired mobility in older adults?
Reduced bone density
Where does bone remodeling occur?
The trabecular surfaces of spongy bone
What is osteoporosis characterized by?
Low bone density and micro-architectural deterioration
What are non-modifiable risk factors for osteoporosis?
Age, female, genetics
What happens to bone resorption and formation after peak bone mass is achieved?
Bone resorption slowly exceeds bone formation
How is blood calcium level maintained?
By parathyroid hormone and activated vitamin D
What causes a significant decrease in bone mass in females?
Menopause and estrogen deficiency
What is the main pathogenesis of osteoporosis?
The rate of bone remodeling increases and bone resorption exceeds bone deposition
When does clinical manifestation of osteoporosis occur?
There is no clinical manifestation until a fracture occurs
How is bone mineral density assessed?
By dual-energy X-ray absorptiometry (DXA) scan
What is the purpose of assessing bone mineral density?
To detect osteoporosis before a fracture and determine the rate of bone loss
What is the main cause of osteomalacia?
Decreased bone mineralization during bone remodeling
Which of the following is considered a condition that might lead to partial mobility impairment?
Injuries
What is the main factor affecting immobility in certain conditions that require rest and recovery?
Lack of nutrients
Which of the following is a requirement for mobility as mentioned in the text?
Neurological function
What is the scope of full mobility as mentioned in the text?
Gross simple movements, fine complex movements, and coordination between different muscle groups
Which cell type is responsible for bone resorption?
Osteoclasts
What is the primary factor influencing peak bone mass?
Genetics
What is the main regulator of calcium homeostasis?
Parathyroid hormone
Which bone tissue type is also known as trabecular bone?
Spongy bone
What is the primary characteristic of osteoporosis?
Low bone density and increased fracture risk
Which hormone plays an essential role in bone growth and remodeling?
Estrogens
What is the primary site for osteoporotic fractures?
Hip
Which factor is NOT a risk factor for osteoporosis?
High calcium intake
What is the primary cause of age-related falls and fractures?
Age-related changes leading to decreased bone and muscle strength
Which bone tissue type is also known as cortical bone?
Compact bone
What is the primary manifestation of osteoporosis?
Fractures
Which factor significantly influences calcium homeostasis?
Activated vitamin D
What is the primary function of mobility?
To perform activities of daily living (ADLs)
Which factor can cause partial mobility impairment?
Depression
What is the scope of full mobility as mentioned in the text?
Gross simple movements, fine complex movements, and coordination between different muscle groups
How is immobility beneficial in certain conditions?
It allows for rest and recovery
Which of the following factors is critical for healthy aging?
Joint health
Which hormone plays an essential role in bone growth and remodeling?
Estrogen
What is the primary site for osteoporotic fractures?
Hip
What is the main regulator of calcium homeostasis?
Parathyroid hormone
What is the primary cause of age-related falls and fractures?
Age-related changes
What is osteoporosis characterized by?
Low bone density and increased risk of fracture
What happens to bone resorption and formation after peak bone mass is achieved?
They become imbalanced
What is the primary characteristic of osteoporosis pathogenesis?
High turnover and remodeling imbalance
What is the main factor influencing peak bone mass?
Genetics
What is the primary manifestation of osteoporosis?
Fractures
What is the main factor affecting immobility in certain conditions that require rest and recovery?
Low bone density
What is the primary requirement for mobility as mentioned in the text?
Bone strength
Study Notes
Aging and Osteoporosis: Risk Factors and Conditions
- Age-related changes can lead to falls, fractures, and loss of mobility
- Factors critical for healthy aging include bone strength, muscle strength, joint health, neurological function, and nutrition
- Bone tissue is composed of compact bone (cortical) and spongy bone (trabecular)
- Bone tissue cell types include osteogenic cells, osteoblasts, osteoclasts, and osteocytes
- Bone remodeling is a dynamic process crucial for maintaining, repairing, and adapting bone
- Osteoporosis is characterized by low bone density and increased risk of fracture
- Osteoporosis is more prevalent in women, with risk factors including age, low calcium or Vit D, genetics, hormone imbalance, race, and medications
- Peak bone mass is influenced by genetics, sex, puberty, and lifestyle factors
- Calcium homeostasis is regulated by parathyroid hormone and activated vitamin D
- Estrogens and androgens play essential roles in bone growth and remodeling
- Osteoporosis pathogenesis involves high turnover and remodeling imbalance, affecting both spongy and compact bone
- Clinical manifestations of osteoporosis include fractures, pain, deformity, and additional falls, with common fracture sites being the hip, distal radius, and vertebrae
Aging and Osteoporosis: Risk Factors and Conditions
- Age-related changes can lead to falls, fractures, and loss of mobility
- Factors critical for healthy aging include bone strength, muscle strength, joint health, neurological function, and nutrition
- Bone tissue is composed of compact bone (cortical) and spongy bone (trabecular)
- Bone tissue cell types include osteogenic cells, osteoblasts, osteoclasts, and osteocytes
- Bone remodeling is a dynamic process crucial for maintaining, repairing, and adapting bone
- Osteoporosis is characterized by low bone density and increased risk of fracture
- Osteoporosis is more prevalent in women, with risk factors including age, low calcium or Vit D, genetics, hormone imbalance, race, and medications
- Peak bone mass is influenced by genetics, sex, puberty, and lifestyle factors
- Calcium homeostasis is regulated by parathyroid hormone and activated vitamin D
- Estrogens and androgens play essential roles in bone growth and remodeling
- Osteoporosis pathogenesis involves high turnover and remodeling imbalance, affecting both spongy and compact bone
- Clinical manifestations of osteoporosis include fractures, pain, deformity, and additional falls, with common fracture sites being the hip, distal radius, and vertebrae
Test your knowledge on mobility and osteoporosis with this quiz. Learn to define mobility, understand the role of neurologic and musculoskeletal structures, identify conditions causing impaired mobility, and recognize risk factors for impaired mobility in older adults. This quiz covers key concepts related to mobility and osteoporosis.
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