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____________ is a parasite that can contaminate water that is not sensitive to chlorine and is a potential threat to people with weakened immune systems.

What is responsible for causing the symptoms seen during an allergic reaction such as inflammation, itching, hives, dilation of blood vessels, and a drop in blood pressure?

Heartburn is caused by which due to which sphincter muscles opening up and releasing acidic contents into the esophagus.

Jennifer is following an 1,800-calorie weight loss plan where 30% of her daily calories are supposed to come from protein. How many grams of protein should Jennifer try to eat each day?

Bill is trying to eat healthier now that he is going to college. He takes a nutrition class and determines that his salt intake is very high from a diet analysis. Which characteristic of a healthy diet is Bill violating?

Jasmine is too busy for lunch and needs a pick-me-up to help her remain alert during her two afternoon classes. Which snack would you recommend?

Vignette #1 Sue and Juan are newlyweds, and Sue is taking a nutrition course at the local college. She wants to apply the principles that she has learned. Juan is currently a bit overweight and rarely eats a balanced diet. Sue notices that he usually has gas after meals, especially when dairy is present. Lately, he has also been complaining about constipation. Let’s see what you can do to assist Sue in her efforts to analyze Juan’s digestive problems. To help Juan with his constipation, which action is only advised after other measures have failed?

______ are compounds that function to maintain a constant pH in the body.

The replacement of red blood cells depends most heavily on ____.

Muscles respond to the overload of exercise by gaining ____.