The Nurse Notes That a 4-Year-Old Child's Gums Bleed Easily

The nurse notes that a 4-year-old child's gums bleed easily and he has bruising and petechiae on his extremities.The lab value that would be consistent with these symptoms is:

A) platelet count of 25,000/mm³.
B) hemoglobin level of 8 g/dL.
C) hematocrit level of 36%.
D) leukocyte count of 14,000/mm³.