Excessive accumulation of fluid in tissues outside of the blood vessels is called edema. Which of the following scenarios could result in edema?
A) an increase in the concentration of proteins in the blood
B) a decrease in the volume of blood in the cardiovascular system
C) an alteration of capillary walls so that they are less leaky
D) an increase in the pressure of blood flowing through capillaries
Answer: D
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Pseudoephedrine, based on the chemical structure of ephedrine from the Gnetophyte genus Ephedra, was used as a treatment for
A. cancer. B. congestion. C. headache. D. malaria. E. erectile dysfunction.
Would the cholesterol molecule easily cross/associate with a phospholipid bilayer membrane? (Think about the ability of a steroid to dissolve in water.)
a. yes b. no
Both alcohol fermentation and lactate fermentation are highly ____ because the fuel is only partially ____
a. efficient; reduced b. efficient; oxidized c. inefficient; reduced d. inefficient; oxidized e. efficient; metabolized
Four of the following are characteristics of a species. Which one is the exception?
A. They exist in one or more populations. B. They produce fertile offspring. C. They are reproductively isolated from other groups. D. They are identical in appearance. E. They interbreed.