By age 20, nearly everyone has some evidence of osteoarthritis in their joints
a. true
b. false
b. false
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One of the unhealthy effects of blood doping is to
A. increase the viscosity of the blood. B. increase the carbon dioxide carrying capacity of the blood. C. increase the oxygen carrying capacity of the blood. D. decrease the blood pressure in the arteries. E. decrease the oxygen carrying capacity of the blood.
The ____________ part of the bicarbonate/carbonic acid buffer will act as a ____________ to neutralize the excess ____________ .
Fill in the blank(s) with the appropriate word(s).
Bone protrudes through the skin in a fracture called ________.
A. closed B. displaced C. incomplete D. open E. complete
What is the role of the lymphatic system in the metastasis of cancers?
A) The lymphatic system does not play a role in the prevention or promotion of cancer metastasis. B) Cells from established tumors enter lymphatic vessels. Eventually, secondary tumors develop in other parts of the body. C) Cells from established tumors enter lymphatic vessels and are degraded in lymphoid nodules. This prevents the development of tumors in other parts of the body. D) Cells from established tumors enter lymphatic vessels and are destroyed by lymphocytes in the lymph nodes. This action prevents the development of tumors in other parts of the body.