10 Recovery of Musculoskeletal System

Which mineral is primarily replaced in bones during the process of bone remodelling?

• Iron

• Calcium

• Potassium

• Sodium

What is the main protein that is replaced in tendons and ligaments during tissue repair?

• Elastin

• Myosin

• Keratin

• Collagen

Micro-tears in muscles are most likely to occur after which type of physical activity?

• Intense resistance training

• Light stretching

• Sitting for long periods

• Walking at a slow pace

Delayed onset of muscle soreness (DOMS) typically appears how long after strenuous exercise?

• Immediately after exercise

• 1 hour after exercise

• 1 week after exercise

• 12–24 hours after exercise

Which process is responsible for the repair of micro-tears in muscle fibres?

• Photosynthesis

• Protein synthesis

• Glycolysis

• Respiration

Which of the following is NOT a function of collagen in the human body?

• Providing structure to skin

• Strengthening tendons

• Aiding in muscle contraction

• Supporting ligaments

What is the main symptom of delayed onset of muscle soreness (DOMS)?

• Swelling of joints

• Muscle pain and stiffness

• Headache

• Nausea

During bone remodelling, which cells are responsible for breaking down old bone tissue?

• Osteoclasts

• Osteoblasts

• Chondrocytes

• Myocytes

Which of the following best describes the process of calcium replacement in bones?

• Calcium is removed from bones and not replaced

• Calcium is only replaced after a fracture

• Calcium is only added during childhood

• Calcium is constantly removed and replaced to maintain bone strength

Which of the following is a common cause of micro-tears in muscles?

• Overuse during exercise

• Drinking too much water

• Sleeping too much

• Eating spicy food