Q21. Which test is used to screen for osteoporosis?
A) Blood test
B) Special type of X-ray
C) Urine test
D) All of the above
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Correct Answer: B) Special type of X-ray
Explanation: A DEXA scan (dual-energy X-ray absorptiometry) is a special type of X-ray used to screen for osteoporosis and assess bone density.
Q22. What causes a curved or humped back (stooped posture) in osteoporosis?
A) Muscle weakness
B) Spinal fractures
C) Poor posture
D) Genetic factors
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Correct Answer: B) Spinal fractures
Explanation: A curved or humped back in osteoporosis is often caused by spinal fractures due to weakened bones.
Q23. How many bones do both the human hands contain, including the wrist?
A) 54 bones
B) 56 bones
C) 58 bones
D) 48 bones
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Correct Answer: A) 54 bones
Explanation: Both human hands together contain 54 bones, including the bones of the wrist.
Q24. What can osteoporosis cause?
A) Fragile bones
B) Strong bones
C) Soft bones
D) Dense bones
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Correct Answer: A) Fragile bones
Explanation: Osteoporosis causes bones to become brittle and fragile, increasing the risk of fractures.
Q25. Which vitamin has a major role in bone health?
A) Vitamin C
B) Vitamin D
C) Vitamin B
D) Vitamin E
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Correct Answer: B) Vitamin D
Explanation: Vitamin D plays a major role in bone health by promoting calcium absorption and bone growth.
Q26. What is the smallest bone in the body?
A) Patella
B) Stapes
C) Thigh
D) Clavicle
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Correct Answer: B) Stapes
Explanation: The stapes is the smallest bone in the body, located in the middle ear.
Q27. How many vertebrae are in the vertebral column at birth?
A) 31
B) 33
C) 35
D) 37
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Correct Answer: B) 33
Explanation: The vertebral column usually consists of 33 vertebrae at birth, including cervical, thoracic, lumbar, sacral, and coccygeal regions.
Q28. Out of 20 men over 50, how many will break a bone mostly due to osteoporosis?
A) 2
B) 0
C) 1
D) 4
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Correct Answer: A) 2
Q29. Which bone is the longest and strongest in the human body?
A) Femur
B) Tibia
C) Fibula
D) Humerus
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Correct Answer: A) Femur
Explanation: The femur, or thigh bone, is the longest and strongest bone in the human body, supporting the weight of the body and allowing for a range of movements.
Q30. What is the primary function of the human skeleton?
A) To provide support
B) To protect internal organs
C) To enable movement
D) All of the above
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Correct Answer: D) All of the above
Explanation: The human skeleton provides structural support, protects internal organs, and enables movement through its connection with muscles.