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
A 30 yrs old female has sputum postive TB. Her child is 3 years old. What is the recommended chemoprophylaxis- 
Select and explain. 
A. INH 3mg\/kg for 3 months, B. INH 5mg\/kg for 3 months, C. INH 3mg\/kg for 6 months, D. INH 5mg\/kg for 6 months
D: INH 5mg\/kg for 6 months
Answer: D: INH 5mg\/kg for 6 months 
Explanation: <p> The dose of INH for chemoprophylaxis is 5mg/kg administered daily for 6 month. Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:195 <\p>