What Is the Key Mechanism in Establishing Giardial Diarrhea

question 42

Multiple Choice

What is the key mechanism in establishing giardial diarrhea?

• A)The excretion of an enterotoxin by Giardia.
• B)The destruction of intestinal epithelial cells by Giardia.
• C)The attachment of Giardia trophozoites to intestinal epithelia.
• D)The invasion of Giardia into the intestinal epithelial cells.
• E)The production of a cytolytic exotoxin by Giardia.

---

Definitions:

MEGGER

A brand name that has become a generic term for insulation resistance testers, which measure the resistance of electrical insulation.

Ohmmeter

A device used for measuring electrical resistance in ohms.

Resistance

The opposition to current flow in an AC or DC circuit.

Derate

To reduce the rated capability of electronic components or electrical devices due to environmental conditions or other factors.