This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diabites & Inappropriate Antidiuretic Hormone, Subject name: Medicine
Most common oral infection in diabetes mellitus? 
Select and explain. 
A. Candida, B. Aspergillus, C. Streptococcus, D. Stphylococcus
A: Candida
Answer: A: Candida 
Explanation: Ans. is 'a' i.e., Candida o Individuals with DM have a greater frequency and severity of infection. The reasons for this include incompletely defined abnormalities in cell-mediated immunity and phagocyte function associated with hyperglycemia, as well as diminished vascularization. Hyperglycemia aids the colonization and growth of a variety of organisms (candida and other fungal species).