Which of the following statements about threshold concentration is incorrect (false)?
a. Subthreshold salt levels increase perceived sweetness.
b. Subthreshold salt levels decrease perceived acidity.
c. Subthreshold acid concentrations make a food taste less salty.
d. Subthreshold sugar concentrations make a food taste less salty.
e. all of the above answers are correct
c
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A(n) _______________ is a medical device that mechanically pumps blood from the left side of the heart to the rest of the body in case of heart failure.
Fill in the blank(s) with the appropriate word(s).
A chronic alcoholic presents with muscle twitching and cramping. He is also complaining of spasms in his muscles that he cannot seem to control. What nutrient is he likely deficient in?
A. Niacin B. Magnesium C. Folate D. Iron
Athletes should consume _____ ounces of fluid prior to exercise
a. 4–6 b. 6–8 c. 8–10 d. 10–12 e. 12–14
Which type of nuclear process features atomic nuclei splitting apart to form smaller nuclei?
A. fission B. fusion C. decay D. ionization