Fungi And Parasites

Question 1

True or False: are fungi eukaryotes?

Answer 1

True

Question 2

How do fungi absorb energy from organic matter?

Answer 2

Heterotrophic by absorption

Question 3

What fungi causes tinea versicolor— a patchy discoloured rash?

Answer 3

Malassezia furfur

Question 4

What causes this rash - circular patchy rash seen in malnourished children? Tinea imbricata

Answer 4

Trichophyton concentricum

Question 5

What fungi causes athlete’s foot or tinea pedis?

Answer 5

Epidermophyton spp

Question 6

What causes ringworm infection or tinea corporis?

Answer 6

Trichophyton spp

Question 7

What causes thrush?

Answer 7

Candida albicans

Question 8

What fungi can cause meningitis or infection in the brain?

Answer 8

Cryptococcus neoformans

Question 9

What is the fungi related to infected bird droppings that can cause meningitis?

Answer 9

Cryptococcus neoformans

Question 10

True or False: getting infected with Cryptococcus neoformans is a marker of AIDS?

Answer 10

True

Question 11

Give 4 examples how to reduce fungi infection

Answer 11

Proper hygiene
Wear open shoes
Good diet
Avoid smoking

Question 12

In parasites, what do you call a host where sexual reproduction occurs?

Answer 12

Definitive host

Question 13

In parasites, what do you call a host where immature forms develop before sexual maturity?

Answer 13

Intermediate host

Question 14

What enables dispersal of parasite in dispersed host populations?

Answer 14

Vector

Question 15

Give 1 example of a vector

Answer 15

Flying insect

Question 16

Give 4 examples of ba eukaryotic protozoa

Answer 16

Remember: S-C-A-M! SCAM!

Phylum Sarcomastigophora
Phylum Ciliophora
Phylum Apicomplexa/Sporozoa
Phylum Microspora

Question 17

In helminths, in what phylum do nematodes,the roundworm belong to?

Answer 17

Phylum Aschelminthes

Question 18

In helminths, what phylum does tapeworms and flukes belong to?

Answer 18

Phylum Platyhelminthes (flatworms)

Question 19

In helminths, what phylum does marine parasites belong to?

Answer 19

Phylum Nematomorpha

Question 20

In helminths, where do insect eaters belong to?

Answer 20

Phylum Acanthocephalus (thorny headed worms)

Question 21

Where do leeches and earth worms belong to?

Answer 21

Phylum Annelida (true segmented worms)

Question 22

What protozoa causes malaria?

Answer 22

Plasmodium spp

Question 23

What is the vector of Plasmodium spp causing malaria?

Answer 23

Anopheles mosquito

Question 24

What protozoa causes vaginitis in women that is sexually transmitted

Answer 24

Trichomonas vaginalis

Question 25

What subphylum does Trichomonas vaginalis belong to?

Answer 25

Subphylum Mastigophora

Question 26

What protozoa under the subphylum Mastigophora causes diarrhoea?

Answer 26

Gardia lamblia intestinalis

Question 27

What protozoa causes infection in foetus that can lead to retardation, blindness, and deafness in the baby?

Answer 27

Toxoplasma gondii

Question 28

What illness does Toxoplasma gondii cause?

Answer 28

Toxoplasmosis

Question 29

What’s the helminth that causes pinworm infection in humans?

Answer 29

Enterobius vermicularis

Question 30

What causes dog hookworm infection?

Answer 30

Ancylostoma caninum

Question 31

Give 4 manifestations of Ascaris lumbricoides?

Answer 31

gastrointestinal symptoms
Bowel or biliary obstruction
Eosinophilic pneumonia
Tissue migration—visceral migrans

Question 32

What class of helminths attach by means of hooks and suckers?

Answer 32

Class cestoda - tapeworms

Question 33

What helminth can you see in undercooked infected pork?

Answer 33

Taenia solium - pig tapeworm

Question 34

What illness can you get from Taenia solium?

Answer 34

Cysticercosis

Question 35

Give 3 infection control strategies for parasites and helminths

Answer 35

Eliminate vector!
Prevent faecal contamination! – Waste hygiene
Meat inspection / cook meat well