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.

Biology & Microbiology

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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

Biology & Microbiology

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.

Biology & Microbiology

An atom that has an electrical charge is called a(n)

a. molecule. b. isotope. c. ion. d. proton. e. element.

Biology & Microbiology

Which of the following does NOT decrease the absorption of non-heme iron?

a. phytates b. polyphenols c. oxalates d. calcium

Biology & Microbiology