Question

A case of giardiasis typically presents with which of the following?

• A. Nausea and vomiting
• B. Abdominal pain
• C. Steatorrhea and flatulence
• D. All of the above

Hint:

This malabsorptive protozoal infection produces several upper-GI symptoms at once.

Answer 1

The Correct Option is D

Step 1: Giardia lamblia colonises the upper small bowel, where the trophozoites coat the lining and block normal nutrient uptake, producing a malabsorptive, non-invasive illness.

Step 2: Because of this, the symptom list is wide-ranging. It includes nausea and vomiting, crampy abdominal pain, bloating, excess flatus, and steatorrhea from fat malabsorption. Each of the three answer choices names genuine features of the disease.

Step 3: With all the individual options being correct, the combined choice is the right one. Remember that the lack of fever and absence of blood or mucus in the stool help distinguish giardiasis from invasive enteric infections. Hence the answer is all of the above.\[\boxed{\text{All of the above}}\]