48) Which of the following is an example of a ball-and a. tibiofemoral joint b.

Question

48) Which of the following is an example of a ball-and a. tibiofemoral joint b. glenohumeral joint c. atlanto-axial joint d. temporomandibular joint socket joint? 49) Which of the following cells responds to PTH by increasing the resorption bone matrix? a. osteocytes b. osteogenic cells c. osteoblasts d. osteoclasts 50) Which of the following bones has both a greater and lesser wing? a. Frontal b. Temporal c. Sphenoid d. Parietal 51) The medial malleolus is a projection found on the: a. Tibia bone b. Vomer bone. c. Mandible bone. d. Femur bone 52) is a bone softening disease that occurs in children. a. Rickett's b. Osteomalacia c. Rheumatoid arthritis d. Spina bifida 53) An excessive lateral deviation of the spinal column is called: a. Herniated disc b. Osteosarcoma c. Scoliosis d. Paget's disease 54) Bone growth in length is called: a. Appositional growth b. Interstitial growth c. Hydroxyapatite d. Calcification 55) All the followving are bones of the appendicular skeleton EXCEPT a. Fibula b. Coccyx c. Pubis d. Femur

Explanation / Answer

48. B glenohumeral joint.

Glenohumeral joint is the ball and socket joint between glenoid cavity of sscspul and the head of humerus.

49. D. Osteoclasts.

PTH stimulates activity of osteoclasts which initiates the processsof bone resorption.

50. C. Sphenoid bone.

51. A. Tibia.

Medial malleolus is found at the foot of the tibia.

52.b. osteomalacia.

Osteomalacia refers to softening of bones caused due to deficiency of vitamin D.

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