Calluses or corns are the result of accelerated multiplication by ________
A) fibroblasts
B) keratinocytes
C) melanocytes
D) red blood cells
E) tactile cells
B
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The majority of seminal fluid is produced by the ____________________.
Fill in the blank(s) with the appropriate word(s).
If the ATP-generating mechanisms in a cell are poisoned and the cell depletes its ATP reserves, which would occur first?
A. Facilitated diffusion of molecules would cease. B. Ion concentration gradients would reach equilibrium across the cell membrane. C. All transport processes would cease immediately when the ATP was depleted. D. Primary active transport of molecules would cease. E. Secondary active transport of molecules would cease.
Which of the following would result from a reduced function of the Na+ channels in the SA node?
A. The heart rate would decrease. B. Depolarization would be delayed. C. Depolarization would be delayed, and the heart rate would decrease. D. The plateau phase would be shorter. E. Repolarization would not occur.
Which bone does not function in protection?
A. Lumbar vertebra B. Os coxae C. Parietal bone D. Sternum E. Fibula