This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
Apical group of lymph nodes belong to which level in axillary group of nodes - NOT RELATED - MEDICINE 
Select and explain. 
A. Level I, B. Level II, C. Level III, D. Supraclavicular
C: Level III
Answer: C: Level III 
Explanation: Apical group nodes are subclavicular group