You’ve heard the phrase, “Feed a cold, starve a fever,” your whole life, and you’ve always considered it dubious advice at best; after all, how are you supposed to recover from any infection if you’re undernourished? After reading this module, however, you realize that one of your organs may be following a portion of this folk remedy despite your opinion. Which statement is true?
a. In response to a cold, the capillaries surrounding the stomach constrict, reducing hunger.
b. In response to a cold, the pancreas produces less insulin, causing blood sugar levels to spike immediately
c. In response to a fever, the liver stops releasing iron into the blood, starving certain bacteria.
d. In response to a fever, the small intestine becomes more permeable to large protein molecules.
c. In response to a fever, the liver stops releasing iron into the blood, starving certain bacteria.
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How much plastic enters the ocean each year?
a. 500 million metric tons b. 500 thousand metric tons c. 1 billion metric tons d. 1 million metric tons
What is the result when a well-tested hypothesis is supported by many independent studies in the scientific community?
A) The hypothesis would be considered a scientific theory. B) The hypothesis is now be referred to as a prediction. C) Further experiments would not occur unless a sufficient alternative is proposed. D) The hypothesis is a fact that cannot be refuted.
An atom that has an electrical charge is called a(n)
a. molecule. b. isotope. c. ion. d. proton. e. element.
Which of the following does NOT decrease the absorption of non-heme iron?
a. phytates b. polyphenols c. oxalates d. calcium