Hookworms
A. have filariform larvae in soil that invade by penetrating bare feet.
B. have oral cutting plates by which they anchor to the intestines.
C. include Ancylostoma duodenale.
D. include Necator americanus.
E. All of the choices are correct.
Answer: E
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Fill in the blank(s) with the appropriate word(s).
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A. paracrine signaling. B. endocrine signaling. C. juxtacrine signaling. D. autocrine signaling.
Refer to the accompanying figure. The structure labeled as 7 is called the:a
superior vena cava. b. aorta.
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Answer the following statement true (T) or false (F)