This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection, Subject name: Pediatrics
Which of the following should arouse suspicion of streptococcal sore throat? 
Select and explain. 
A. Exudates in throat, B. Tender enlarged cervical nodes, C. Absence of nasal and conjunctival injection, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Ans. D. All of the aboveSore throat is due to acute inflammation of the pharynx and tonsils. Most often, it is associated with viral infections of the upper respiratory tract such adenovirus, influenza and parainfluenza viruses. A possibility of acute pharyngitis due to group A beta haemolytic streptococci may be considered in a patient who has exudates in the throat, tender enlarged cervical lymph nodes along with absence of nasal and conjunctival congestion.