EXAM 1

Question 1

an organism that lives in or on an organism of another species and benefits by deriving nutrients at the others expense

Answer 1

Parasite

Question 2

Host in which parasite reaches sexual maturity

Answer 2

Definitive host

Question 3

Required stage with morphological change in parasite

Answer 3

Intermediate host

Question 4

required stage with no morphological change in parasite, bridges trophic gap

Answer 4

Paratenic host

Question 5

Infected definitive host serving as source of infection for other host (usually humans)

Answer 5

Reservoir host

Question 6

Human derived disease from reservoir host

Answer 6

Zoonosis

Question 7

Any host that actively transports parasites from one host to another

Answer 7

Vector

Question 8

anterior end of malaria

Answer 8

Apical Complex

Question 9

Causes cells to invaginate

Answer 9

Rhoptery

Answer 10

Shikamate Pathway

Question 11

ring stage, produce protease

Answer 11

Trophozoite

Question 12

digested heme

Answer 12

hemozoin

Question 13

asexual reproduction by multiple fission

Answer 13

Schizogony

Question 14

enzyme

Answer 14

Apyrase

Question 15

(eimeria) life cycle only in one host

Answer 15

Monoxenous life cycle

Question 16

resting or dormant stage of parasite (infective) , helps survive unfavorable environmental conditions, long lived

Answer 16

Cyst

Question 17

diagnostic feature or giardia, form of diarhhea, yellow greasy stool because no lipid or bile absorbed

Answer 17

Steatorrhea

Question 18

large mitochondria, gives energy and genomic features

Answer 18

Kinetoplastid

Question 19

1. aerobic
2. No vsg’s
   Blood forms: slender and stumpy blood forms

Answer 19

Procyclic

Question 20

1. anaerobic
2. VSG’s expressed
   Stops multiplication

Answer 20

metacyclic

Question 21

Variable Surface Glycoproteins, protect outer membrane

Answer 21

VSGs

Question 22

swelling of lymph nodes , sign of african trypsanomiasis

Answer 22

Winterbottom’s sign

Question 23

produced in sleeping sickness

Answer 23

Tryptophol

Question 24

swelling associated with the acute stages of chaga’s diesease

Answer 24

Romana sign

Question 25

portal of entry for parasite, swelling

Answer 25

Chagoma

Question 26

uninfected kissing bugs, feed on patients, investigae bug for T. cruzi

Answer 26

Xenodiagnosis

Question 27

Visceral Leishmaniasis (L.donovani) , fever, hepatomegaly, weakness, and resembles leprosy

Answer 27

Kala-azar

Question 28

plasmodium spp.

Answer 28

Malaria

Question 29

Renal failure, hemolysis (RBC's burst), nephritis , hemoglobin in the urine, hemoglobinuria (black urine)

Answer 29

Black water fever

Question 30

Schizonts burst, antigens activate t cells, TNF stimulates hypothalamus, cells in the brain stick together, clumps of cell blocks blood vessels

Answer 30

Cerebral Malaria

Question 31

mother contracts naiive infection, infects fetus brain (hydrocephalis)

Answer 31

Transplacental toxoplasmosis

Question 32

high parasite loads (toxoplasma gondii), can cause bipolar and schizophrenia as a result

Answer 32

Crazy cat lady syndrome

Question 33

Equine protozoal myeloencephalitis, Sarcocystis neurona (family sarcocystidae), neurological disease in the spinal cord

Answer 33

EPM

Question 34

Dysentary, blood in stool due to break down in intestinal lining and blood vessels flattened

Answer 34

Amoebiasis

Question 35

Primary amoeba menigocephalitis , inflammation of the menges of the brain

Answer 35

PAM

Question 36

old world, tsetse fly bite

Answer 36

African sleeping sickness

Question 37

new world , stercordarian trypanosomiasis (spread through feces of insect), kissing bug (T. cruzi)

Answer 37

Chagas' disease

Question 38

Leishmania spp. , sandfly, visceral, cutaneous, mucocutaneous

Answer 38

Leishmaniasis

Question 39

Both organisms benefit, typically can't survive with out each other

Answer 39

Mutualism

Question 40

One organism benefits, other unaffected

Answer 40

Commensalism

Question 41

One organism benefits, at the other organisms expense

Answer 41

Parasitism