Blood Flukes: Schistosoma mansoni

Question 1

Common name of Schistosoma mansoni

Answer 1

• Manson’s blood fluke

Question 2

Final host of Schistosoma mansoni

Answer 2

Man

Question 3

Intermediate host of Schistosoma mansoni

Answer 3

Biomphalaria sp. (snail

Question 4

Habitat of Schistosoma mansoni

Answer 4

• Inferior mesenteric veins of large intestines
• colon
• rectum

Question 5

Diagnostic stage of Schistosoma mansoni

Answer 5

Ova in stool

Question 6

Infective stage of Schistosoma mansoni

Answer 6

Cercaria

Question 7

MOT of Schistosoma mansoni

Answer 7

Skin penetration

Question 8

Pathology of Schistosoma mansoni

Answer 8

• Intestinal bilharziasis (Intestinal disease)
• Hepatosplenic disease
• Acute schistosomiasis (Katayama syndrome

Question 9

Diagnosis of Schistosoma mansoni

Answer 9

• Stool exam
• Rectal/liver biopsy
• COPT
• Egg hatching technique
• Conc. techniques (FECT)

Question 10

Treatment of Schistosoma mansoni

Answer 10

• Praziquantel
• Oxamniquine

Question 11

Schistosoma mansoni egg has a prominent ______spine

Answer 11

Prominent Lateral Spine
(nasal gilid)

Question 12

Schistosoma mansoni female adult has how many eggs?

Answer 12

1-4 eggs

Question 13

Where is the ovary located in Schistosoma mansoni female adult?

Answer 13

Anterior 1/2 part

Question 14

Schistosoma mansoni male adult has how many testis?

Answer 14

8-9

Question 15

Schistosoma mansoni male adult has __________tuberculum

-

Answer 15

Prominent Integumentary Tuberculum

Question 16

Reservoir host of Schistosoma mansoni

Answer 16

• Cats
• Dogs
• Carabaos
• Other mammals

Question 17

S. mansoni egg morphology

Answer 17

• Elongate
• Prominent lateral spine
• Acid-fast positive