A unit of radioactivity is known as:
A) isotope.
B) radiotracer.
C) curie.
D) ion.
C
Explanation:
A) An isotope is one of a series of nuclides that has a different atomic weight.
B) A radiotracer is a radioactive substance that is administered to a patient.
C) Correct.
D) An ion is an atomic particle that carries an electrical charge.
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What purpose does hydrogenation serve?
A) transforms margarine into liquid oils B) preserves the color of fried food C) makes certain foods chewier D) extends the shelf life of foods made with oil
There does not appear to be significant risk associated with the complementary controversial practice of ________, and there is little definitive evidence to support its effectiveness.
Fill in the blank(s) with the appropriate word(s).
A chief advantage of systematic observation methods is that they provide quantifiable data
Indicate whether the statement is true or false
Write the correct meaning for Hct:
What will be an ideal response?