Black pigment gallstones are caused primarily by ____
A) bacterial infection
B) collections of concentrated bile
C) excessive red blood cell breakdown
D) rapid weight loss following gastric bypass
C
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A molecule that protects cells by preventing oxidation is known as a(n) ________
A) micronutrient B) lipid C) free radical D) antioxidant
Alzheimer's disease is the most common form of dementia
Indicate whether the statement is true or false
Which of the following water-soluble vitamins does not produce ill effects if consumed in excess?
A) Niacin B) Vitamin B6 C) Vitamin C D) Vitamin B12
Leah's parents are concerned their five-year-old daughter will develop tooth decay if she chews gum that's sweetened with sugar. Based on this information, Leah's parents should buy chewing gum that's sweetened with
A. honey. B. sucrose. C. dextrose. D. xylitol.