What is the function of dissolved salts in the plasma?
A. Maintain pH and transport substances
B. Maintain osmotic pressure and pH
C. Maintain osmotic pressure and food for cells
D. Transport and fight infection
Answer: B
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What is the most common cause of prolonged vasoconstriction in the kidney?
A. Ischemia from decreased blood flow B. Hormonal mechanisms to increase blood pressure C. Release of antidiuretic hormone D. Nephropathy from diabetes mellitus
Immunoglobulins that can bind to antigens, stimulating basophils and mast cells, are called ________ antibodies.
A) IgD B) IgE C) IgM D) IgA E) IgG
The correspondence between a unit of DNA information and an amino acid is the genetic ________.
Fill in the blank(s) with the appropriate word(s).
DNA and RNA differ in that
A. RNA is found only in the nucleus and DNA is found only in the cytoplasm. B. RNA has deoxyribose and DNA has ribose. C. DNA holds genetic information and RNA uses that information to synthesize protein. D. RNA is double-stranded and DNA is single-stranded.