Which pair of chemicals is NOT used by the body to feel good?
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Endorphins and tryptophan
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Serotonin and dopamine
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Cortisol and prolactin
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Oxytocin and Vasopressin
Cortisol is a stress hormone associated with the body's stress response, not pleasure or reward. Prolactin is primarily involved in lactation and reproductive functions. The other pairs (endorphins/tryptophan, serotonin/dopamine, oxytocin/vasopressin) are all associated with positive feelings or reward mechanisms.
To answer this question, you need to understand the chemicals that are involved in feeling good and their roles in the body.
Option A) Endorphins and tryptophan - This option is incorrect. Endorphins are chemicals produced by the body that act as natural painkillers and can induce feelings of pleasure and well-being. Tryptophan is an essential amino acid that is used by the body to produce serotonin, a neurotransmitter that regulates mood and happiness.
Option B) Serotonin and dopamine - This option is incorrect. Serotonin is a neurotransmitter involved in regulating mood, appetite, and sleep, and is often associated with feelings of happiness and well-being. Dopamine is another neurotransmitter that plays a role in regulating motivation, reward, and pleasure.
Option C) Cortisol and prolactin - This option is correct. Cortisol is a stress hormone produced by the body in response to stress or danger. It can have negative effects on mood and well-being. Prolactin is a hormone involved in lactation and milk production, and it does not directly contribute to feelings of pleasure or well-being.
Option D) Oxytocin and vasopressin - This option is incorrect. Oxytocin is often referred to as the "love hormone" and is involved in social bonding, trust, and feelings of pleasure. Vasopressin is a hormone involved in regulating water balance and blood pressure, but it also plays a role in social behavior and bonding.
The correct answer is C) Cortisol and prolactin. These hormones are not typically associated with feelings of pleasure or well-being.