Which of the choices below does not describe the importance of tubular secretion?
A) disposing of substances not already in the filtrate, such as certain drugs
B) eliminating undesirable substances such as urea and uric acid that have been reabsorbed by passive processes
C) ridding the body of bicarbonate ions
D) ridding the body of excessive potassium ions
C) ridding the body of bicarbonate ions
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The production of leukocytes is called _______________
Fill in the blank with correct word.
Which of the following is true regarding the concentration of solutions?
A) Percent solutions are parts per 1000 parts. B) Molarity is one mole of solute per 1000 ml of solution. C) To calculate molarity, one must know the atomic number of the solute. D) To calculate molarity, one must know the atomic weight of the solvent.
Which of the following minerals is important in synthesizing and using ATP?
A) Chlorine B) Zinc C) Potassium D) Magnesium
A blood pressure reading of 120/80 would
A. indicate a systolic pressure of 80 mm Hg. B. have Korotkoff sounds at pressures above 120 mm Hg. C. indicate a systolic pressure of 120 mm Hg. D. indicate a diastolic pressure of 120 mm Hg.