Camila is nervous about an upcoming exam and is consuming large quantities of pasta. but, she is surprised by how much of this starchy, carbohydrate-laden food she is eating. what can you tell her that will explain her eating behavior?
a. carbohydrates increase levels of ghrelin, which can you sleep.
b. carbohydrates increase levels of serotonin, which can have calming effects.
c. carbohydrates increase levels of orexin, which can have calming effects.
d. carbohydrates increase levels of norepinephrine, which can have calming effects.

Her eating behaviour can be explained by:

b) Carbohydrates help increase levels of serotonin, which can have calming effects.

Explanation:

Tryptophan is the precursor of serotonin. When Camila eats carbs her body generates and liberates insulin to the bloodstream, and it also stimulates amino acid absorption. In consequence, she now has large amounts of tryptophan in her blood that will help produce serotonin.

Serotonin helps Camila control her anxiety towards the upcoming test.

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i hope this