The nurse notes hypotonia, irritability, and a poor sucking reflex in a full-term newborn on admission to the nursery. The nurse suspects fetal alcohol syndrome and is aware that which additional sign would be consistent with this syndrome?
A.
Length of 19 inches
B.
Abnormal palmar creases
C.
Birth weight of 6 lb, 14 oz (3120 g)
D.
Head circumference appropriate for gestational age