This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Maternal and child care, Subject name: Social & Preventive Medicine
Vaccine carrier contains how many ice packs 
Select and explain. 
A. 2, B. 3, C. 4, D. 5
C: 4
Answer: C: 4 
Explanation: Vaccine carriers are used to carry small quantities of vaccines (16 - 20) ls for the out reach sessions ,with four fully frozen ice packs for lining the sides. Ref: p.119 25th edition Park's Textbook of Preventive and Social Medicine