In a patient having HIV infections, oral ulcer is most commonly due to:
Ans. is 'a' i.e., Candida (Ref: Harrison, 18th/e, p. 1549, 1550; 17th/e, p. 1174)* Amongst the given options, only Candida causes oral lesion in AIDS patient.
Candida
Cryptococcosis
Histoplasma
Trichophyton
Human Immunodeficiency Virus