Chapter 7 Skeletal System Connect Quiz
Questions with Detailed Verified Answers
T/F: Appositional growth occurs within the epiphyseal plate.
Ans: False
Indicate whether each statement is true or false.
1) The most significant age-related changes in the skeletal system affect quality and
quantity of bone matrix.
2. Bone mass is at its highest around the age of 30, and men typically have denser
bones than women.
3. Compact bone is lost first as lamellae become thinner and weaker.
4. A slow loss of the internal spongy bone begins at about age 40 and increases after
age 45.
Ans: 1) True
2) True
3) False
4) False
Which step in the formation of calcitriol is regulated by parathyroid hormone?
Ans: Conversion of calcidiol to calcitriol
T/F: If you are not getting adequate calcium in your diet, calcitonin will be secreted,
which stimulates osteoclasts to resorb bone and thereby increases calcium levels in the
blood.
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Ans: False
The secondary ossification center in a long bone is located in the
Ans: epiphysis.
Based on their shape, the most common type of bone is the _____ bone.
Ans: long
Bone-forming cells that produce collagen and proteoglycans and release matrix
vesicles are
Ans: osteoblasts
Osseous tissue matrix is composed of
Ans: calcium phosphate
An osteoblast is an example of an ______ component of bone.
Ans: organic
What is the role of nerves that supply a bone?
Ans: Detect injuries in the bone
Activity of ____________ results in the formation of hydrochloric acid used to
dissolve bone minerals in a process called ____________.
Ans: osteoclasts; mineral resorption
Parathyroid hormone is released from the __________ glands.
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