Which of the following organ system plays the primary role in maintaining acid base balance
A) ?lungs
B) ?skin
C) ?GI tract
D) ?kidneys
E) ?lymphatic
Answer: D) ?kidneys
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Which of the following major minerals is found in the body in an amount larger than a pound?
1.Potassium 2.Calcium 3.Sulfur 4.Sodium 5.Chloride
A person with a disorder that limits absorption of bile is at increased risk for deficiency of
a. folate. b. niacin. c. riboflavin. d. ascorbic acid. e. pantothenic acid
The primary structure of a protein is critical to its function because it:
A) determines the protein's most basic chemical and physical characteristics. B) includes a prosthetic group within it that is necessary for the protein to function. C) causes polypeptides to fold into unique patterns that determine the protein's complex structure. D) determines the genetic code of the strands of DNA.
Of the common amino acids, ________ are considered essential
a. 8 b. 10 c. 11 d. 9