When a person receives a sudden, large dose of ionizing radiation, which cells are typically destroyed?
a. immune system cells
b. epithelial cells
c. epithelial cells of the intestine
d. red blood cells
e. all of these
E
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The process by which cells acquire specialized forms and functions is called
A. cell growth. B. cell elasticity. C. cell differentiation. D. cell replication. E. None of the choices are correct.
Volume increases by the ____ of the diameter,
and surface area increases by ____ of the diameter. a. square; doubling b. square; the cube c. cube; the square d. cube; the cube e. none of these is the correct answer
Which of the following parts of the nervous system is closest to a muscle?
A) neuron B) interneuron C) motor neuron D) neuroglial cell
All of the following pertain to fever EXCEPT that it
A) accelerates microbial growth by increasing iron absorption from the digestive tract. B) stimulates T lymphocyte activity. C) is caused by interleukin-1 and TNF-alpha coming into contact with the hypothalamus. D) intensifies the effect of antiviral interferons. E) can be initiated by specific types of pathogens.