This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mycology, Subject name: Microbiology
Germ tube test is done for: 
Select and explain. 
A. Chlamydia, B. Candida albicans, C. Bacterial vaginosis, D. Neisseria gonorrhoeae
B: Candida albicans
Answer: B: Candida albicans 
Explanation: Ref: Textbook of Diagnostic Microbiology, E-book, P 634* A germ tube test is a diagnostic test in which a sample of fungal spores are suspended in serum and examined by microscopy. It is particularly indicated for colonies of white or cream color on fungal culture.* A positive germ tube test is strongly indicative of Candida albicans. This test also helps to differentiate between Candida albicans and non-albicans Candida (germ tube test negative).