Which type of bone tissue is considered dense bone?
A. Spongy bone
B. Compact bone
C. Both "spongy bone" and "compact bone" are correct.
Answer: B
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When the blood pressure of a vessel drops below the critical closing pressure for that vessel,
A. the vessel expands. B. there is hypertension. C. there is an increase in peripheral resistance. D. there is an increase in blood flow. E. the vessel collapses.
Osteoclasts are
A. cells that secrete bone matrix. B. cells that break down bone matrix. C. immature bone cells that give rise to osteocytes. D. mature bone cells that maintain the matrix.
A ________ is an instrument that measures the volume of air moved with each breath.
Fill in the blank(s) with the appropriate word(s).
Carbon dioxide in the tissue cells:
a. is actively transported to the blood b. converts hemoglobin to carbaminohemoglobin c. is carried as bicarbonate ions in the blood d. both B and C above