This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
In “Tip of Iceberg Phenomenon”, submerged portion does not consist of 
Select and explain. 
A. Healthy population, B. Carriers, C. Undiagnosed cases, D. Latent period
A: Healthy population
Answer: A: Healthy population 
Explanation: None