1.The frontal bone:

A) consists of two bones separated by a metopic suture in veryyoung children

B) forms the floors of the orbits

C) forms the majority of the cranium between the coronal andlamboidal sutures

D) contains the infraorbital foramina

E) seldom contains a paranasal sinuses

2.Intrinsic factor, which is made by the stomach, must be present forthe body to absorb Vitamin B12 How might the absence of intrinsic factor affect the bones of a patient?

A) The resulting change in the ability to synthesize protein wouldenhance collagen synthesis.

B) With enhanced collagen synthesis, the bones will probably becomemore flexible.

C) The resulting change in collagen synthesis might make the boneseasier to fracture

D) A & B are correct

C) A,B, and C are correct

3.Which of the following is true about bone histology?

A) The primary mineral salt in bone tissue is collagen

B) The connective tissue matrix of bone is only about 50%crystallized mineral salts

C) The primary fiber in bone tissue is calcium phosphate

D) calcification of the bone tissue is initiated by osteoclasts

E) The crystallized mineral salts of bone provide itsflexibility