1. Which of the following factors is NOT likely to affect the biotransformation of
a toxicant?
● the length of time the toxicant has been in the body
2. Which of the following is NOT a mechanism by which chemicals can pass
through the skin?
● active transport
3. In general, which of the following routes of exposure is likely to result in the
highest concentration of a toxicant in the body?
● intravenous injection
4. Which of the following is NOT a characteristic of the liver?
● it is the primary site of storage for toxicants
5. Which of the following is NOT a characteristic of the gastrointestinal (GI)
tract?
● it is a major site of biotransformation of chemicals
6. Which of the following is NOT a characteristic of the respiratory system?
● it is the primary route of excretion for most toxicants
a toxicant?
● the length of time the toxicant has been in the body
2. Which of the following is NOT a mechanism by which chemicals can pass
through the skin?
● active transport
3. In general, which of the following routes of exposure is likely to result in the
highest concentration of a toxicant in the body?
● intravenous injection
4. Which of the following is NOT a characteristic of the liver?
● it is the primary site of storage for toxicants
5. Which of the following is NOT a characteristic of the gastrointestinal (GI)
tract?
● it is a major site of biotransformation of chemicals
6. Which of the following is NOT a characteristic of the respiratory system?
● it is the primary route of excretion for most toxicants
