CTI 402 Quiz #2
Which of the following is the best example of a testable hypothesis? - ANS-Drinking a glass of
water right before an exam will improve scores.
When graphing data from a clinical trial, what should go on the x-axis? - ANS-The Independent
Variable
A recent journal article states that there is a possible link between having an active social life
and someone's annual income. Which of the following statements could be true? - ANS-People
who make more money tend to be more social.
A recent study shows that people who walk daily are less likely to develop Parkinson's disease.
This is an example of a... - ANS-Correlation
Which cell organelle is responsible for breaking down accumulated proteins, etc., and is similar
to a "waste disposal plant"? - ANS-Lysosome
A recent study states that people who go on daily walks are less likely to develop Parkinson's
disease. While this does sound promising, what is one question you would have for the
publishers of this article? - ANS-I think my question for the publishers would be, "How old are
the people in your study that are less likely to develop Parkinson's disease?" or maybe, "Does
that mean that people who were athletic most of their life are less likely to develop this
disease?"
Name one way that the human diet recommendations have changed over the past few decades.
- ANS-A lot of studies have been done on the intake of sodium, sugar, and fats. This seems to
have become a more prevalent issue than it used to be in the past. I think one recommendation
would be to ingest less sodium or sugar and make sure to burn off whatever fats are being put
into your system.
Which of the following is stored in adipose cells? - ANS-Fats
Which of the following is not a sign of aging? - ANS-Muscles increase in size.
Papers like the one from the NEJM highlighted the need for "disclosure", or for researchers to
disclose their funding sources. Name one reason you think this is important. - ANS-By
disclosing the funding sources, people are oblivious to who was behind the scenes of the
research. From a consumer standpoint, the articles may seem to be very general, but a
company could be biased.
Metabolism is defined as... - ANS-The total sum of chemical reactions in the body.
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