Reference Index - First Aid

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Poisonous snakes - series

Rattlesnake:
Rattlesnake

This is a rattlesnake.



Defining features:
Defining features

The top row displays the defining features of a rattlesnake. From left to right, a rattle on the tail, a triangular head, and hinged fangs.



Underbelly:
Underbelly

One way to determine if a snake is venomous is to look at its underbelly. If there is a single row of scales leading to the anal plate, the snake is venomous.




Review Date: 2/27/2008
Reviewed By: Stephen C. Acosta, MD, Department of Emergency Medicine, Portland VA Medical Center, Portland, OR. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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