Question 1

Giardiasis is caused by:*

A. Entamoeba histolytica

B. Giardia lamblia

C. Trichuris trichiura

D. Taenia saginata

Question 2

The infective form of Giardia is:*

A. Trophozoite

B. Cyst

C. Egg

D. Oocyst

Question 3

Transmission of giardiasis occurs mainly by:*

A. Contaminated water (fecal-oral)

B. Mosquito bites

C. Sexual contact

D. Airborne spread

Question 4

A hallmark symptom of giardiasis is:*

A. Steatorrhea (fatty foul-smelling stools)

B. Bloody diarrhea

C. Constipation

D. Polyuria

Question 5

Giardiasis is often seen in:*

A. Travelers (traveler’s diarrhea)

B. Elderly

C. Neonates only

D. People with malaria

Question 6

Diagnosis of giardiasis is made by:*

A. Stool microscopy (trophozoites/cysts)

B. Blood culture

C. X-ray

D. Urine analysis

Question 7

Chronic giardiasis can lead to:*

A. Malabsorption and weight loss

B. Hepatitis

C. Pneumonia

D. Blindness

Question 8

The drug of choice for giardiasis is:*

A. Metronidazole

B. Albendazole

C. Praziquantel

D. Ciprofloxacin

Question 9

Which animal is a common reservoir for Giardia?*

A. Cats

B. Beavers (“beaver fever”)

C. Dogs

D. Snails

Question 10

Prevention of giardiasis is by:*

A. Boiling/filtering water

B. Vaccination

C. Insecticides

D. Wearing shoes

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