Multiple Choice
Cyanosis is caused by
A) altered blood flow to the skin (overall or in small areas) .
B) increased number of active melanocytes.
C) collection of abnormal pigment (not melanin) in the skin.
D) decreased oxygen content of blood.
E) increased production of melanin by normal number of melanocytes.
Correct Answer:

Verified
Correct Answer:
Verified
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