Mycology

Question 1

what the general characteristics of fungi (6)

Answer 1

1. single or multicellular eukaryotes
2. pigmented with no chlorophyll
3. have true nucleus with meiotic apparatus
4. all have asexual reproduction , some with sexual
5. have a cell wall that is rigid (complex carb, protein and sugar compound)
6. exist as mold , yeast , dimorphic

Question 2

what is the importance of fungi

Answer 2

1. pathogenic to humans
2. deserts food, fabrics , wool
3. used for fermentation
4. source of antibiotics
5. source of LSD

Question 3

what is considered a fungal disease

Answer 3

Mycotoxicosis

Question 4

name 4 examples of fungal toxins

Answer 4

1. mushroom poisoning
2. Ergotism ( St. Anthony’s fire)
3. alimentary toxialeukia
4. aflatoxicosis

Question 5

Disease caused by fungal toxins :

a. Myosis
b. fungus amungus
c. Mycotoxicosis

Answer 5

c. mycotoxicosis

Question 6

how does mycosis disease occur

Answer 6

diseased due to infection by fungi

Question 7

Explain each of the 3 fungi type based on their nutrients:

1. Parasite
2. Saprophytes
3. faculative parasite

Answer 7

1. parasites- fungi obtain nutrient from other living cell
2. Saprophytes - fungi that obtain nutrient from dead or non living matter
3. Facultative parasite- obtain nutrient from living organisms or non living matter

Question 8

What is the temperature range for fungi to grow? what about the optimal growth?

Answer 8

grow between 0-37 degrees/ optimum growth 20-30 degrees

Question 9

what is the optimum pH for growth of fungi?

Answer 9

pH 6

Question 10

T/F Asexual reproduction is more important than sexual reproduction because it results in the production of larger numbers of organism and it happens more frequently then sexual.

Answer 10

True- most fungi are asexual

Question 11

What are the different clinical types of fungal infections

Answer 11

1. superficial
2. cutaneous
3. subcutaneous
4. sytsematic