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40)A patient presents to a physician with ill-defined complaints of
malaise. The physician orders an erythrocyte sedimentation rate, which
yields a value lower than normal. Which of the following conditions
would most likely produce a decreased erythrocyte sedimentation rate?
A. Cancer
B. Infection
C. Polycythemia
D. Pregnancy
E. Systemic lupus erythematosus

d??

CCC

C is correct
It increases in pregnancy and infection
Increase in ESR=induces rouleax formation=acute/chronic inflamation,also pregnancy and may be anemia.
decrease in ESR inhibits rouleax formation abnormal RBC shapes or too many RBCS E.G (sickle cell ,polycythemia)