FINALS: Fasciolopsis buski (Intestinal Flukes)

Question 1

“Giant intestinal fluke”

Answer 1

Fasciolopsis buski

Question 2

Largest intestinal flukes of humans and pigs

Answer 2

Fasciolopsis buski

Question 3

Definitive host:

Answer 3

humans and pigs

Question 4

Intermediate host:
o 1st: snail

Answer 4

▪ Segmentina
▪ Hippeutis

Question 5

2nd:

Answer 5

plants

Question 6

Water caltrop:

Answer 6

Trapa bicornis

Question 7

Water chestnut:

Answer 7

Eliocharis tuberosa

Question 8

Morning glory or kangkong:

Answer 8

Ipomea obscura

Question 9

Lotus:

Answer 9

Nymphaea lotus

Question 10

Infective Stage:

Answer 10

metacercariae

Question 11

Diagnostic Stage:

Answer 11

unembryonated egg

Question 12

• Large and operculated
• Unembryonated when first passed • Undistinguishable from eggs of Fasciola species

Answer 12

Egg

Question 13

• Shape: oval and elongated
• Does not have a cephalic cone
• Ceca: unbranched
• Testes: two, dendritic

Answer 13

Adult Worm

Question 14

• Inflammation and ulceration occur at site of worm attachment
• Gland abscess: occasionally formed in the mucosa
• Heavy infections: worms cause intestinal obstruction
• Symptoms: generalized toxic and allergic symptoms: edema of the face, abdominal wall, and lower limbs

Answer 14

Fasciolopsiasis

Question 15

DIAGNOSIS

Answer 15

Detection of eggs in the stool

Question 16

Treatment

Answer 16

Praziquantel: 25 mg/kg in three doses for a day