Why does a positive pregnancy test have two pink stripes?
A) One stripe tests for the hormone, and the other stripe indicates how much hormone is present.
B) The second pink stripe indicates whether white blood cells are attacking the pregnancy antibodies.
C) One stripe binds to the hormone, and the other stripe is a control zone.
D) Each stripe binds to the same hormone to indicate a positive pregnancy.
Answer: C
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A) red blood cells B) bone cells C) fat cells D) muscle cells E) white blood cells
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Fill in the blank(s) with correct word
Which statement correctly describes the function of the pulmonary artery?
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