When NaCl is added to body fluids, it results in the addition of
A. one solute particle per NaCl molecule, but because it is uncharged it does not result in osmotic pressure.
B. two solute particles per NaCl molecule and exerts twice the osmotic pressure of the same number of nonelectrolyte molecules.
C. one solute particle per NaCl molecule and exerts an osmotic pressure equivalent to that of a nonelectrolyte.
D. three solute particles per NaCl molecule and exerts one-third the osmotic pressure of the same number of nonelectrolyte molecules.
Answer: B
You might also like to view...
Emily, a newborn, was miserable and vomiting frequently. An X-ray revealed hypertrophic pyloric stenosis. The problem in Emily's digestive system, before surgery helped her, was
A. an overgrowth of the stomach wall that narrows the opening between the esophagus and stomach. B. an abnormally large peptic ulcer near the opening of the esophagus into the stomach. C. a genetic defect resulting in the absence of the pyloris. D. overgrowth of muscle that blocked the passageway from the stomach to the small intestine.
Blood flows to the placenta from the fetus through the ________ arteries.
Fill in the blank(s) with the appropriate word(s).
Excess glucose in animals is stored as ________.
A. cellulose B. glycogen C. galactose D. starch E. sucrose
Endomysium is a delicate network of loose connective tissue that
A. surrounds each muscle fiber. B. forms a sheath around a fasciculus. C. is composed of elastic fibers. D. separates individual muscles. E. penetrates muscle fibers.