The statement that carcinogen is a cancer-causing substance is true. The term denotes is any substance or agent (chemical substances, viruses, or even medications and radiation therapies used to treat cancer) that causes cancer. The carcinogens directly damage the DNA in cell which leads to mutation or cause cells to divide at a faster rate than normal.
The type of indwelling catheter that is most commonly used in the peripheral veins of dogs is the PERIPHERAL INDWELLING INTRAVENOUS CATHETER. They are usually placed in the cephalic vein in the fore limbs of dogs. These types of catheter can be left in place for days.