This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
Common variable hypogammaglobulinemia shows- 
Select and explain. 
A. Decreased B cell count, B. increased B cell count, C. Normal 13 cell count, D. Absent B cells
C: Normal 13 cell count
Answer: C: Normal 13 cell count 
Explanation: Answer is option 3, normal B cell count In normal variable hypogammaglobulinemia, FBC and blood film: peripheral lymphocytes: peripheral B-cell levels are variable but often normal. Plasma B lymphocyte sub-populations concerned with antibody production. hypogammaglobulinemia