Mycology

Question 1

Fungi cell wall is comprised in part by polysaccharides Chitin and B-glucan. Why are these components medically important?

Answer 1

Bc they dictate antimicrobial susceptibility

–> how well antibiotics could or more likely could not prevent infection/disease of fungi

Question 2

In place of cholesterol, the steroid precursor found in fungi is known as ergosterol. Why is ergosterol medically important?

Answer 2

Bc it is specifically targetable for anti-fungals (azole drugs)

Question 3

What is the single cellular form of fungi known as?

Answer 3

Yeast

uses mitosis to replicate

Question 4

What is the mutlicellular form of fungi known as?

Answer 4

Molds

grow in long branching stalks called hyphae

Question 5

Hyphae break off into single units known as

Answer 5

myocelia

Question 6

Most medically important fungi are dimorphic meaning what?

Answer 6

They are able to switch between yeast and mold form

Question 7

Yeast can form what is known as pseudohyphae, meaning…

Answer 7

individual daughter cells which elongate synchronously in a tube like structure

Question 8

What are the non-systemic fungi known to cause infections in the skin and mucosa?

Answer 8

furfur

ringworm

sporothrix

Question 9

What is the systemic infection causing fungi?

Answer 9

histoplasma

coccidioides

blastomyces

paracoccidoides

Question 10

What are the opportunistic infection causing fungi?

Answer 10

apspergillus fumigatus

candida albicans

cryptococcus neoformans

zygomycophyta

pneumocystis jorviceii

*occurs when there is a break in immunity