Soil borne Parasites

Question 1

CA - hookworm

Answer 1

Parasitic helminths:
Necator americanus (new world hookworm) AND ancyclostoma duodenale (old world hookworm)

Question 2

VF - hookworm

Answer 2

Complex lifecycle (adults, eggs, larvae)

Question 3

Which structure is the infective stage? (Hookworm)

Answer 3

Penetrating larvae

Question 4

Mode of transmission - hookworm

Answer 4

Larvae in soil

Question 5

Sxs - hookworm

Answer 5

large number of worms Lead to : anemia & fatigue

Question 6

Diagnosis - hookworm

Answer 6

Look for eggs in stool sample

Question 7

Predisposing factors - hookworm

Answer 7

Larvae is in contaminated soil which penetrates bare skin

Question 8

Prevention - hookworms

Answer 8

Wear shoes

Question 9

Treatment - hookworm

Answer 9

Anti parasitic / anti helminthic drugs

Question 10

CA - Ascariasis

Answer 10

Parasitic helminth:
Ascaris lumbricoides
(Largest parasitic round worm)

Question 11

VF - ascariasis

Answer 11

Complex lifecycle of A. Lumbricoides
Adults, eggs, larvae

Question 12

Sxs - ascariasis

Answer 12

Mostly asymptomatic; heavy infections cause intestinal blockage & impair growth in children

Question 13

Diagnosis - ascariasis

Answer 13

Look for eggs in stool sample

Question 14

Predisposing factors - ascariasis

Answer 14

Poverty, unsanitary conditions

Question 15

Prevention - ascariasis

Answer 15

Do not ingest soil, wash hands

Question 16

Treatment - ascariasis

Answer 16

anti parasitic drugs

Question 17

Misc - ascariasis

Answer 17

30% of worldwide population is infected