Chocolate is reported to be toxic to dogs. What’s the issue? a. Methylxanthines are toxic in general and, unlike humans, dogs lack the necessary liver enzymes to metabolize them b. Methylxanthines...

Methylxanthines are toxic in general and, unlike humans, dogs lack the necessary liver enzymes to metabolize them

Methylxanthines affect dogs more than humans because humans DO NOT have adenosine receptors in our brainstems

Methylxanthines affect dogs more than humans because dogs DO NOT have adenosine receptors in their brainstems

Methylxanthines affect dogs more than humans because dogs DO have adenosine receptors in their cardiac muscle

b and d