Which of the following diseases is caused by a virus?
a. scarlet fever
b. impetigo
c. rabies
d. diabetes
c. rabies
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Cells were first discovered in the
__________century. a. 14th b. 15th c. 16th d. 17th e. 18th
During embryonic development, all chordates have a ________ nerve cord
Fill in the blank(s) with correct word
An expanding rash that resembles a bull's-eye is a characteristic of secondary syphilis
Indicate whether the statement is true or false
Contraction of the muscles surrounding an arteriole that decreased its diameter by 50% would
A. increase the resistance in the arteriole by approximately 50%. B. increase the resistance in the arteriole approximately 16-fold. C. not be expected to change resistance in the arteriole. D. decrease the resistance in the arteriole approximately 16-fold. E. decrease the resistance in the arteriole approximately 50%.