TOW (& Answer)...

The question was can you name a venomous North American mammal?  There are 2, neither is life-threateningly venomous and both are shrews.  One is the shorttail shrew found in the eastern half of the United States, the other is the common shrew found in mountainous, swampy areas throughout North America.

The question (& answer) were found on p. 10 of A Field Guide to Venomous Animals & Poisonous Plants by Steven Foster & Roger Caras.  The book was published in 1994 by Houghton Mifflin Co.