A new mother tells the nurse that her baby must be cold because his hands and feet are blue. The ...

ANS: D
Cyanosis of the hands and feet in the first week of life is caused by a combination of high hemoglobin and vasomotor instability. Parent education regarding this normal finding is helpful. Harlequin color change is a deep red color over a longitudinal half of the body, pallor on the other half, caused by an imbalance of autonomic vascular regulatory mechanism. Cutis marmorata is a red or blue lacelike pattern on the skin that is a normal vasomotor response to cold. Erythema toxicum is a normal, temporary splotchy erythema with firm, yellow-white papules.