Week 8: Parasites

Question 1

blood parasite of the protozoan genus ______ causes malaria

Answer 1

plasmodium

Question 2

how many species of plasmodium infect humans

Answer 2

4

Question 3

predominant species of plasmodium

Answer 3

plasmodium falciparum

Question 4

an organism that lives on or in a
host and gets its food from or at
the expense of its host

Answer 4

parasite

Question 5

a parasite gets its food ___ or ________ its host

Answer 5

from, at the expense of

Question 6

vector of malaria/plasmodium

Answer 6

anopheles mosquito

Question 7

what parasite causes giardiasis?

Answer 7

giardia intestinalis, giardia lambila, giardia duodenalis

Question 8

incubation period of giardiasis

Answer 8

1-14 days

Question 9

incubation period of malaria

Answer 9

7-30 days

Question 10

what parasite causes roundworm?

Answer 10

toxacara canis, toxacara cati

Question 11

toxacara canis/cati is considered…

Answer 11

a neglect parasitic infection

Question 12

vector for Leishmaniasis

Answer 12

sand fly (Phlebotomus papatasi)

Question 13

true or false? Leishmaniasis is not considered a neglected parasite

Answer 13

false, it is considered a neglected tropical disease

Question 14

types of leishmaniasis

Answer 14

• Cutaneous leishmaniasis
• Visceral leishmaniasis
• Mucocutaneous leishmaniasis

Question 15

most common helminthic infection

Answer 15

ascariasis

Question 16

what parasite causes head lice?

Answer 16

Pediculus humanus capitis

Question 17

fungi are _____

Answer 17

eukaryotic

Question 18

do fungi have peptidoglycan?

Answer 18

no, they do not

Question 19

fungi cell membranes contain _______ and ____, not _____

Answer 19

ergosterol/zymoaterol, cholesterol

Question 20

3 types of fungi

Answer 20

• molds (filamentous fungi)
• yeast (unicellular)
• fleshy fungi (mushrooms)

Question 21

what fungi causes aspergillosis?

Answer 21

aspergillus

Question 22

what causes dermatophytes/tinea/ringworm?

Answer 22

trichophyton, microsporum, epidermophytan

Question 23

incubation period for dermatophytes

Answer 23

4-14 days

Question 24

types of candida

Answer 24

candida albican, candida glabrata, candida auris

Question 25

a process that kills or removes all organisms

Answer 25

sterilization

Question 26

a process that kills or removes all pathogens except bacterial spores

Answer 26

disinfection

Question 27

application of chemical to live tissue to kill or inhibit pathogens

Answer 27

antisepsis