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
In tissue, Coccidioides immitis produces 
Select and explain. 
A. Spherules and endospores, B. Encapsulated yeast cells, C. Fine, delicate hyphae, D. Coarse, septate hyphae
A: Spherules and endospores
Answer: A: Spherules and endospores 
Explanation: Coccidioides immitis is a dimorphic fungus. Yeast form is a spherule filled with endospores. Mycelial phase contains pseudohyphae, which fragments into ahrospores. Ref: Textbook of Microbiology, Ananthanarayan and Paniker; 9th edition