Course

Histology

Study Pack

Set 5 Osteogenesis

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Question 1

(Multiple Choice)

Free
Which of the following is true of intramembranous, rather than endochondral, ossification?

A) A hyaline cartilage model is used
B) Long bones are formed
C) Mesenchymal cells differentiate into osteoblasts within connective tissue
D) Periosteal buds invade the lacunae left behind by dead chondrocytes
E) Secondary ossification centers form in the epiphyses

Answer

Question 2

(Multiple Choice)

Free
During the lengthening of long bones, the zone in which cartilage cells undergo cell division and become organized into rows of isogenous cells is the

A) Calcification zone
B) Hypertrophic zone
C) Proliferative zone
D) Reserve zone
E) Vascular invasion zone

Answer

Question 3

(Multiple Choice)

Free
Parathyroid hormone

A) Decreases calcium levels in the blood
B) Increases calcium excretion in the kidneys
C) Inhibits osteoclast activity
D) Is released by the thyroid gland
E) Stimulates osteoclast activity

Answer