Osteoblasts are correctly characterised by which of the...

Osteoblasts are correctly characterised by which of the following statements? a. They are derived from monocytes. b. They synthesize high quantities of acid phosphatase. c. They are involved in matrix formation but not mineralization. d. They have less rough endoplasmic reticulum than do osteocytes. e. They possess P.T.H. receptors.

The primary function of osteoblasts is to A) lay down bone matrix, B) inhibit the growth of bone, C) stimulate bone growth, D) prevent osteocytes from forming, E) resorb bone along the epiphyseal plate. 25) Which of the following is correctly matched? A) osteocytes function in bone remodeling, B) endosteum lines the central canal of the osteon, C) osteoclasts are responsible for reabsorption, D) periosteum lines the medullary cavity, E) osteoblasts break down bone tissue. 26) An X-ray determines that Peter fractured the shaft of his humerus. A) growth plate, B) epiphyseal line, C) diaphysis, D) epiphysis, E) articular surface. 27) Some marrow of long bones is yellow marrow, which is termed "yellow" marrow under normal conditions. A) manufacture tissue cells for the skin, B) make vitamin D, C) store bone-forming cells, D) manufacture blood cells, E) store adipose tissue. 28) Intramembranous ossification.

Madhur L.

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