Normal flora may be found in all of the following environments except
A. The vagina
B. The pharynx
C. The axilla
D. The upper respiratory tract
E. The blood
Answer: E. The blood
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The atomic number for an atom of a specific element is equal to (Check all that apply)
__X__ the number of electrons in a single atom of that element. _____ the number of electrons plus neutrons in a single atom of that element. __X__ the number of protons in a single atom of that element. _____ the number of neutrons and protons in a single atom of that element.
In the hydrologic cycle, water moves from the land to the air by ____ and returns to the land via ____
a. precipitation; evaporation and transpiration b. precipitation and evaporation; transpiration c. precipitation and transpiration; evaporation d. transpiration; precipitation and evaporation e. transpiration and evaporation; precipitation
The isotope 14C undergoes radioactive decay with a neutron splitting into an electron and a proton
This decay produces an atom of
a. iron. b. carbon. c. hydrogen. d. oxygen. e. nitrogen.
Animals that reproduce sexually and have both male and female organs are known as __________. Fill in the blank(s) with the appropriate word(s)