Palmar creases are lighter - Low Hemoglobin

# If palmar creases are lighter in color than surrounding skin, hemoglobin level is usually ?
A. < 10 g/dL
B. < 8 g/dL
C. < 6 g/dL
D. < 4 g/dL

The correct answer is B. < 8g/dL.

If the palmar creases are lighter in color than the surrounding skin with hyperextended hand,

the hemoglobin level is usually < 8 g/dL.  

Ref: Harrison’s 18th Ed. 449