If you or a family member received the unfortunate news of cancer, why is it that being told the cancer is in situ is more encouraging in terms of treatment than a cancer that metastasizes?
What will be an ideal response?
Some cancers are more treatable than others, and in fact, may be removed entirely if detected early enough. In situ cancer means that the cancerous cells remain in one location and do not spread by invading other tissues and organs, as is the case with metastasis. Therefore, an in situ cancer may be able to be fully removed by surgery or can be treated with localized procedures.
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What is the current status of the Human Genome Project? What will be an ideal response?
A child is born with a hole in his heart between the left and right ventricles. This condition must be immediately corrected with surgery because the hole ________
A) will cause the flow of blood to reverse in the heart B) will allow blood to leak out of the heart and the child could bleed to death C) will cause blood to flow in the reverse direction back into veins instead of the arteries D) allows mixing of both oxygenated and deoxygenated blood, which reduces oxygen delivery to tissues
Soil dwelling spore-producing hyphae that transform into pathogenic yeasts when their spores are inhaled by mammals are called
a. rusts b. smuts c. mycorrhizal fungi d. dimorphic fungi e. dikaryotic fungi
What problem might result from damage to the epiglottis?
A) A person would no longer be able to swallow. B) Food would be able to enter the respiratory passageway. C) A person would no longer be able to taste food. D) Food would not be digested properly.