Pathogenesis Of Parasitic Disease

Question 1

Parasitic Infection?

Answer 1

Invasion of endogenous parasites( protozoa,helminths)

Question 2

Parasitic disease?

Answer 2

Invasion and pathology produced by endoparasites

Question 3

Parasitic infection?

Answer 3

External parasitism by ectoparasites (arthropods)

Question 4

Definitive host vs intermediate host?

Answer 4

D: sexually mature,adult
I:development occurs but not an adult

Question 5

Entry routes of an parasites?

Answer 5

Oral
Penetration of skin
Bite of an arthropods
Genital tract
Congenital
Blood transfusion

Question 6

Important determinants for the pathogenesis of parasitic infection?

Answer 6

Size
Invasion
Reproduction
Nutrition
Residency
Immunological consequences
Infective dose and exposure
Penetration of anatomical barriers

Question 7

What does large size provides to a parasite?

Answer 7

Prevent phagocytosis
Inability to induce inflammation resulting in ignorance
Several immunodominant antigens
Too many immunomodulatory antigens
Complement mediated lysis not effective

Question 8

What does trypanosoma spp. uses as a nutrition

Answer 8

Pyruvate

Question 9

What plasmodium spp. uses as nutrition

Answer 9

Hemozoin release

Question 10

What hookworms use as a nutrition

Answer 10

Depletion of the iron