Which of the Following Explains Why a Sample of the Filtrate

question 15

Multiple Choice

Which of the following explains why a sample of the filtrate taken from the proximal tubule is NOT ideal for conducting a drug test or toxicology screen?

• A) Some of the toxins and drugs do not enter the filtrate until they are secreted in the distal tubule.
• B) As soon as the toxins and drugs enter the proximal tubule, they are immediately reabsorbed.
• C) Only a blood test can detect drugs and toxins because they are too large to enter the kidney tubule system.
• D) Many of the toxins and drugs are not added to urine until it enters the bladder.

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Definitions:

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