Week 4: Tuesday, Sept 19th_MC
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Questions and Answers

Which of the following is a modifiable predictor of peak bone mass?

  • Physical activity level (correct)
  • Genetics
  • Inadequate nutrient intake
  • Age

What is the main cause of age-related bone loss in women?

  • Increased cytokines
  • Impaired osteoblast production
  • Decreased production of sex hormones (correct)
  • Decreased calcium and phosphate stores

What is the primary characteristic of osteoporosis?

  • Increased bone mass
  • Altered bone shape and geometry
  • Trabecular bone loss and thinning (correct)
  • Thickening of cortical bone

Which of the following is a non-modifiable risk factor for osteoporosis?

<p>Age (C)</p> Signup and view all the answers

What is the purpose of bone mineral density testing?

<p>To measure bone mass (C)</p> Signup and view all the answers

What is the purpose of fracture risk calculators?

<p>To assess fracture risk (B)</p> Signup and view all the answers

Which component makes up the majority of bone composition?

<p>Extracellular matrix (A)</p> Signup and view all the answers

What is the main function of osteoblasts?

<p>To form new bone tissue (D)</p> Signup and view all the answers

Which type of bone makes up the majority of skeletal mass?

<p>Cortical (compact) bone (A)</p> Signup and view all the answers

What is the chemical formula for hydroxyapatite crystals?

<p>Ca5(PO4)3(OH) (B)</p> Signup and view all the answers

Which cells are responsible for bone resorption?

<p>Osteoclasts (B)</p> Signup and view all the answers

What is the main source of bone marrow?

<p>Cortical (compact) bone (C)</p> Signup and view all the answers

Which of the following is a primary risk factor for osteoarthritis?

<p>Overweight (B)</p> Signup and view all the answers

Which joints are most prone to wear and tear damage with aging?

<p>Knees, hips, spine, big toes (B)</p> Signup and view all the answers

Which of the following is NOT a symptom of osteoarthritis?

<p>Fever (D)</p> Signup and view all the answers

What is the most common joint affected by osteoarthritis?

<p>Knee (D)</p> Signup and view all the answers

What is the characteristic feature of osteoarthritis?

<p>Progressive degradation of articular cartilage (B)</p> Signup and view all the answers

What type of exercise is recommended for the prevention and treatment of osteoarthritis?

<p>Flexibility exercises (A)</p> Signup and view all the answers

How often should muscle strengthening exercises be performed for effective pain relief in osteoarthritis?

<p>Three times a week (B)</p> Signup and view all the answers

What is the role of synovial fluid in synovial joints?

<p>All of the above (D)</p> Signup and view all the answers

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