Which of the following is not a function of white blood cells?
a. activation of factor XII, which triggers the clotting cascade.
b. production of antibodies.
c. destruction of cancer cells.
d. phagocytosis of foreign invaders.
e. phagocytosis of cellular debris.
A
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The choroid plexus originates in the
A. dura mater. B. arachnoid. C. pia mater. D. None of the above
The framework of a cell membrane is a lipid bilayer.
Answer the following statement true (T) or false (F)
Which can serve as substrates for ATP production?
A) glucose and fatty acids only B) glucose only C) fatty acids only D) amino acids only E) glucose, amino acids and fatty acids
The pyramids on the ventral surface of the medulla oblongata are formed by fibers of the ________ tracts
A) corticospinal B) corticobulbar C) reticulospinal D) vestibulospinal E) tectospinal