mycoviro_answerkey2.pdf

MYCOLOGY AND VIROLOGY QUIZ ANSWERS II. DIAGNOSTIC MYCOLOGY d. KOH 1. It is the most commonly used stain in the direct analysis of fungi. 6. This acts as a histochemical stain for a. Potassium Hydroxide or glycogen i...

MYCOLOGY AND VIROLOGY QUIZ ANSWERS II. DIAGNOSTIC MYCOLOGY d. KOH 1. It is the most commonly used stain in the direct analysis of fungi. 6. This acts as a histochemical stain for a. Potassium Hydroxide or glycogen in detecting fungi KOH stain a. Methenamine Silver b. India Ink b. Periodic Acid Schiff c. Alcian Blue c. Wright’s Stain d. Candida Albicans d. Acid Fast Stain 2. The following are true regarding 7. It is a type of differential media used KOH stain, except: in the conversion of dimorphic a. It can be used in clearing fungus B. dermatitidis from mold to fungal cell walls yeast form. b. It is alkali sensitive a. Czapek’s Agar c. Hastening reaction comes b. Cottonseed Conversion with gentle heating Agar d. It is used in direct c. Corn Meal Agar w/ Tween 80 examination of fungi d. Potato Dextrose Agar 3. This dye uses negative staining to 8. It is a type of differential media used highlight C. neoformans in the CSF. in the recovery and differentiation of a. Acid Fast all Aspergillus species highlighted in b. KOH green mossy color c. India Ink a. Czapek’s Agar d. Methylene Blue b. Cottonseed Conversion Agar c. Corn Meal Agar w/ Tween 80 4. Brightener dye used as whitening d. Potato Dextrose Agar agent in fluorescing cellulose and chitin 9. Standard culture for isolation of a. Calcofluor White fungal agents b. India Ink a. Potato Dextrose Agar c. Alcian Blue b. Potato Flake Agar d. Methenamine Silver c. Sabouraud’s Dextrose Agar d. Mycosel Agar 5. Diagnostic method used in examining secretion and detection of malignant cells a. Papanicolaou Stain b. Methenamine Silver c. Calcofluor White MYCOLOGY AND VIROLOGY QUIZ ANSWERS 10. A derived version of Sabouraud’s c. Beta-glucans Dextrose Agar that is used in the d. Peptidoglycan primary recovery of dermatophytes in which it is also known as 15. Fungi are used in preservation of “Mycobiotic” bread as exhibited by certain a. Potato Dextrose Agar Aspergillus species, what is the b. Potato Flake Agar preservative component of these c. Sabouraud’s Dextrose Agar species? d. Mycosel Agar a. Peptides b. Alkaloids 11. What is the dilution after adding a c. Lactic Acid minimum of 5 ml blood to the broth d. Terpenes medium? a. 1:10 to 1:20 b. 1:30 to 1:45 c. 1:40 to 1:1:90 d. 1:50 to 1:80 12. All of the following are true regarding CSF, except? a. It must be collected aseptically b. It is collected through lumbar puncture c. It must be stored in room temperature d. It must be processed immediately 13. All of the following can be stored at room temperature, except? a. Hair b. Skin Scrapings c. Tissue d. Sputum 14. All of the following can be seen in a fungal cell wall, except? a. Chitin b. Ergosterol