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What substances are normally present in feces?

Vignette #1 John is 35 and interested in gaining muscle mass and decides to check out the nutritional supplements at the local health food store. The clerk approaches him wearing a white lab coat; this immediately impresses John, who now thinks that the clerk is well informed. John explains that his goal is to gain the maximum muscle mass in the shortest time. The clerk is eager to assist John and says, “Let me show you the products that will benefit you most.” Let’s see if the clerk really knows what ergogenic aids are all about by answering these questions. The clerk suggests that John look into anabolic steroids to give him the quickest results. What would you say to John about this?

Long-term exposure to alcohol increases levels of alcohol dehydrogenase in the liver. What does this mean?

Michael is a young business systems analyst who avoids fried foods and fast food, drinks only black coffee and water, consumes one alcoholic drink on occasion, uses olive oil when preparing meals, and gets 8 to 10 servings of fruits and vegetables each day. Is there anything that Michael needs to do to decrease his cancer risk?

The largest percentage of a person’s water output leaves the body through ____.

It is pizza night at the Murphy home and everyone has an opinion about what they should get as a topping on the pizza. Which choice would best support the Murphys in their goal of maintaining healthy weights?

Within 2 hours of eating, Erik developed the following symptoms: sudden onset of severe nausea, diarrhea, vomiting, abdominal cramps, and fever. Which microbial pathogen is likely to have caused Erik’s symptoms?

Which food would not be a good source of sulfur?

Which of the following is an example of food intoxication?

To identify allergic reactions, foods should be introduced to an infant _______.