Arrange in the proper sequence the following events as they occur in the ossification of a long bone.
1) Chondroblasts die, and the surrounding matrix breaks down.
2) Osteoblasts secrete osteoid.
3) Blood vessels transport osteoblasts into the area to be ossified.
4) Chondroblasts create a model of long bones from cartilage.
5) Osteoblasts become osteocytes.
A) 3, 2, 5, 4, 1
B) 4, 1, 3, 2, 5
C) 4, 1, 5, 3, 2
D) 5, 2, 3, 1, 4
E) 3, 2, 1, 5, 4

Question

Arrange in the proper sequence the following events as they occur in the ossification of a long bone. 
1) Chondroblasts die, and the surrounding matrix breaks down.
2) Osteoblasts secrete osteoid.
3) Blood vessels transport osteoblasts into the area to be ossified.
4) Chondroblasts create a model of long bones from cartilage.
5) Osteoblasts become osteocytes.
A) 3, 2, 5, 4, 1
B) 4, 1, 3, 2, 5
C) 4, 1, 5, 3, 2
D) 5, 2, 3, 1, 4
E) 3, 2, 1, 5, 4

Quizplus · Accepted Answer

The correct sequence is: 4) Chondroblasts create a model of long bones from cartilage, 1) Chondroblasts die, and the surrounding matrix breaks down, 3) Blood vessels transport osteoblasts into the area to be ossified, 2) Osteoblasts secrete osteoid, 5) Osteoblasts become osteocytes.

Arrange in the Proper Sequence the Following Events as They