All of the Following Statements About Sickle-Cell Anemia Are Correct

question 62

Multiple Choice

All of the following statements about sickle-cell anemia are correct except:

• A)it came to the attention of geneticists when it was observed that most North Americans who suffer from it are of African ancestry.
• B)it was traced to abnormalities in populations that live in a clearly defined belt across tropical Central Africa.
• C)it is notable in areas where high rates of deadly form of malaria is common.
• D)because it is a disease of adaptation,it can never be brought under control or eradicated.
• E)heterozygous individuals suffer few negative consequences except under stress or low oxygen.

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Definitions:

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Procedures that ensure that the services provided in the medical practice meet or exceed requirements and standards.

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