A hiker fills up his canteen from a mountain pond in the western United States.If he does not treat the water before drinking it,he runs the risk of being infected by which of the following?

Question

Quizplus · Accepted Answer

Giardia lamblia is a flagellate whose cysts are transmitted by way of contaminated water.Beavers seem to be an important reservoir of infection in the mountains of the western United States,and many cases of infection have been acquired by hikers who fill their canteens at beaver ponds.

A Hiker Fills Up His Canteen from a Mountain Pond