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Questions and Answers
What is the primary mechanism by which muscle contraction is initiated?
What is the primary mechanism by which muscle contraction is initiated?
- Breakdown of the muscle fiber cell membrane
- Binding of actin with myosin
- Action potential spreading from the nerve terminal (correct)
- Release of calcium from the sarcoplasmic reticulum
Which of the following is a consequence of rhabdomyolysis due to traumatic cause?
Which of the following is a consequence of rhabdomyolysis due to traumatic cause?
- Electrolyte Imbalance
- Muscle Swelling (correct)
- Myalgia
- Acute Kidney Injury
What is the function of ATP in muscle metabolism?
What is the function of ATP in muscle metabolism?
- To release myoglobin into systemic circulation
- To fuel complex muscle contraction and drive the cross-bridge of actin and myosin (correct)
- To break down the muscle fiber cell membrane
- To transport calcium from the sarcoplasmic reticulum
Which of the following is a potential cause of rhabdomyolysis?
Which of the following is a potential cause of rhabdomyolysis?
What is the result of the breakdown of the muscle fiber cell membrane in rhabdomyolysis?
What is the result of the breakdown of the muscle fiber cell membrane in rhabdomyolysis?
What is the 'all or nothing' principle in muscle physiology?
What is the 'all or nothing' principle in muscle physiology?
Which type of bone fracture typically occurs in young males and old people?
Which type of bone fracture typically occurs in young males and old people?
What is the primary difference between primary direct healing and secondary indirect healing of bone fractures?
What is the primary difference between primary direct healing and secondary indirect healing of bone fractures?
During which phase of bone healing does the hematoma form?
During which phase of bone healing does the hematoma form?
What is the term for the temporary displacement of a bone from its joint?
What is the term for the temporary displacement of a bone from its joint?
Which type of injury is characterized by the inflammation of a tendon at the location of its attachment to the bone?
Which type of injury is characterized by the inflammation of a tendon at the location of its attachment to the bone?
What is the term for the inflammation of bursa sacs that are located on tendons, muscles, or bony prominences?
What is the term for the inflammation of bursa sacs that are located on tendons, muscles, or bony prominences?
What is the primary cause of muscular cell death in rhabdomyolysis?
What is the primary cause of muscular cell death in rhabdomyolysis?
What is the primary function of osteocytes in bone maintenance?
What is the primary function of osteocytes in bone maintenance?
What is the main difference between osteoporosis and osteomalacia?
What is the main difference between osteoporosis and osteomalacia?
What is the primary function of RANKL in bone metabolism?
What is the primary function of RANKL in bone metabolism?
What is the characteristic feature of Paget's disease?
What is the characteristic feature of Paget's disease?
What is the origin of all bone tumors?
What is the origin of all bone tumors?
What is the primary function of osteoprotegerin (OPG) in bone metabolism?
What is the primary function of osteoprotegerin (OPG) in bone metabolism?
What is the characteristic symptom of rhabdomyolysis?
What is the characteristic symptom of rhabdomyolysis?
What is the primary cause of osteoporosis?
What is the primary cause of osteoporosis?
What is the criteria for malignancy in bone tumors?
What is the criteria for malignancy in bone tumors?
Which of the following is NOT a characteristic of noninflammatory joint disease?
Which of the following is NOT a characteristic of noninflammatory joint disease?
What is the primary mechanism of cartilage destruction in osteoarthritis?
What is the primary mechanism of cartilage destruction in osteoarthritis?
Which of the following is a characteristic of rheumatoid arthritis but not osteoarthritis?
Which of the following is a characteristic of rheumatoid arthritis but not osteoarthritis?
What is the primary source of uric acid in the body?
What is the primary source of uric acid in the body?
Which of the following is a complication of osteomyelitis?
Which of the following is a complication of osteomyelitis?
What is the primary mechanism of joint damage in gout?
What is the primary mechanism of joint damage in gout?
Which of the following is a risk factor for osteoarthritis?
Which of the following is a risk factor for osteoarthritis?
What is the primary mechanism of bone destruction in osteomyelitis?
What is the primary mechanism of bone destruction in osteomyelitis?
Which of the following is a characteristic of osteomyelitis but not osteoarthritis?
Which of the following is a characteristic of osteomyelitis but not osteoarthritis?
What is the primary mechanism of joint inflammation in rheumatoid arthritis?
What is the primary mechanism of joint inflammation in rheumatoid arthritis?
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