When a child has a virus that has caused vomiting and diarrhea over several days' time, it is critical for her to receive medical care because:
a. her fever will cause her to retain too much extra fluid.
b. she may need help in replacing extreme fluid losses.
c. in the cells, sodium concentration increases, leading to danger of swelling.
d. her kidneys will pump extra fluids into the bloodstream.
e. the illness may have been caused by contaminated drinking water.
Question 2
Jennifer says she drinks bottled water because it is safer than tap water. You tell her that bottled water:
a. has been withdrawn from an underwater spring and is naturally pure.
b. has been filtered by the manufacturer to remove contaminants.
c. all tastes exactly the same as tap water.
d. may be treated tap water.
e. is a sound environmental decision.
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A time map of the genes studied in the experiment