Question

QUESTION 1

Which of the following four events happens third in the sequence of events in the healing of a bone fracture?

		a. bone remodeling
		b. soft callus formation
		c. hematoma formation
		d. hard callus formation

Answer 1

d. hard callus formation

• Soft callus fomation include formation of fibrocartilaginous cells, which is converted into hard callous (bony callous)
• Inorder to join the brocken end of bone ,it takes about two month.
• Vitamin D , C and A are important in proper bone growth.
• Option A is wrong because it is the 4th step in healing of bone , in which hard callous in converted into osteoblast
• Option B is wrong because it is the 2 nd step in healing of bone , in which fibrocartilaginous callous is formed .
• Option C is wrong because it is the 1 st step in bone healing in which capillaries in the bone form into hematoma.