What determines the direction of gas movement?
A) Solubility in water
B) partial pressure gradient
C) temperature
D) molecular weight and size of gas molecule
Answer: B) partial pressure gradient
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Aldosterone causes kidney tubules to
A. reabsorb more sodium, water, and potassium. B. secrete more sodium, water, and potassium. C. reabsorb more sodium, and secret more water and potassium. D. reabsorb more sodium and water, and secrete more potassium. E. secrete more sodium and reabsorb more potassium.
Which of the following regional terms refers to the back of the knee?
A. Sural B. Crural C. Cubital D. Perineal E. Popliteal
The function of the Golgi apparatus is
A. packaging and distribution of proteins and lipids. B. production of microtubules. C. DNA replication. D. energy production. E. excretion of excess salt.
Factors that are necessary for proper bone formation include all of the following, except
A) vitamin A. B) vitamin E. C) vitamin C. D) the hormone thyroxine. E) vitamin D.