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: Microbiology
All of the following is/are true regarding candidiasis: 
Select and explain. 
A. Commonly involve mucosa & skin, B. Not involve nails, C. Caused by yeast like fungus, D. Diabetes is most impoant risk factor
B: Not involve nails
Answer: B: Not involve nails 
Explanation: Ans: (B) Not involve nails.It is an infection of skin, mucosa & rarely of internal organsIt is caused by yeast like fungus, Candida albicans & occasionally by other candida speciesUbiquitous in nature, these organisms are found on inanimate objects, in foods, and on animals and are normal commensals of humans. They inhabit the gastrointestinal tract (including the mouth and oropharynx), the female genital tract, and the skin.It is an oppounistic endogenous infection, the commonest predisposing factor being diabetes.