This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
Number of (+) for tubercle bacilli if count in AFB sample is >10 per oil immersion fields? 
Select and explain. 
A. +, B. .++, C. .+++, D. Scanty
C: .+++
Answer: C: .+++ 
Explanation: - the number of bacilli seen in a smear reflects disease severity and patient infectivity. - therefore , it is impoant to note the number of bacilli seen on each smear. - more than 10 acid fast bacilli per oil immersion field is repoed as +++(3+). Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:182 <\p>