7.1 Tissues and Organs of the Skeletal System

1			The skull bones are classified as ________________ bones.
			A)	long
			B)	irregular
			C)	short
			D)	flat
2			A bone that is cuboidal in shape is a ________________ bone.
			A)	long
			B)	short
			C)	flat
			D)	irregular

7.2 Histology of Osseous Tissue

3			Where are blood vessels and nerves found?
			A)	concentric lamellae
			B)	circumferential lamellae
			C)	canaliculi
			D)	central canal
4			These structures house osteocytes.
			A)	lacunae
			B)	perforating canals
			C)	central canals
			D)	canaliculi

7.3 Bone Development

5			Which bone develops by intramembranous ossification?
			A)	vertebrae
			B)	cranium
			C)	pelvis
			D)	humerus
			E)	femur

7.4 Physiology of Osseous Tissue

6			Which vitamin normally functions as a hormone?
			A)	Vitamin A
			B)	Vitamin C
			C)	Vitamin D
			D)	Vitamin E
7			What would happen if the parathyroid glands were removed and no hormone replacement therapy were initiated?
			A)	Blood calcium could increase to dangerous levels.
			B)	Blood calcium could increase slightly, but not cause dangerous results.
			C)	Blood calcium could drop to dangerous levels.
			D)	No effects would result; the thyroid would take over its job.
8			Which of the following hormones would not affect bone growth?
			A)	estrogen
			B)	parathyroid hormone
			C)	thyroid hormone
			D)	insulin
			E)	antidiuretic hormone
			F)	testosterone

7.5 Bone Disorders

9			This type of fracture is defined by the fact that the skin is not broken.
			A)	closed fracture
			B)	incomplete fracture
			C)	linear fracture
			D)	nondisplaced fracture
			E)	hairline fracture
10			Which of the following is not one of the steps of bone fracture healing?
			A)	hematoma formation
			B)	formation of granulation tissue
			C)	callus formation
			D)	remodeling
			E)	All of the above are stages in fracture healing.