Which of the following breaks down bone?
a. Lacunae
b. Osteoclasts
c. Osteoblasts
d. Osteocytes
B
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Which is a disease caused by the human immunodeficiency virus (HIV)?
a. Lupus b. Acquired immunodeficiency syndrome c. Chronic fatigue syndrome d. Mononucleosis
In order to reduce the risk of HIV infection, what is an important measure to practice?
A. Use only condoms when having sex with an HIV-infected person. B. Choose promiscuous sex partners. C. Practice good hygiene before sex. D. Avoid drugs that impair judgment.
Following a balloon angioplasty to open a partially blocked coronary artery, a metal mesh tube known as a(n) ________ may be placed in the artery in order to keep it open.
Fill in the blank(s) with the appropriate word(s).
____ is the process of destroying microorganisms before they enter the body.
A. Medical asepsis B. Surgical asepsis C. Surgical sepsis D. Biological sepsis