A congenital defect in the immune system of a 2-week-old infant may be suspected if:
A) there are small femoral nodes palpable.
B) the umbilical cord has not yet dropped off.
C) the tonsils are visible.
D) the thymus is visible on a chest radiograph.

Question

Quizplus · Accepted Answer

In some infants, delayed separation of the umbilical cord has been associated with abnormal granulocyte function.

A Congenital Defect in the Immune System of a 2-Week-Old