Xanthines for Biology of Drugs
Help!
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| Class of stimulant that includes caffeine, theophylline, and theobromine | Xanthines
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| Which xanthine is primarily found in chocolate? | Theobromine
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| Caffeine is found in which foods? | Coffee, tea, and chocolate. Also, as an additive to drinks and other products.
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| Caffeine works by inhibiting which inhibitory neuromodulator? | Adenosine
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| Major symptom of caffeine withdrawal? | Headache
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| Symptoms of caffeine withdrawal | headache, irritability, lethargy, fatigue
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| Where is caffeine metabolized? | Liver
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| Caffeine’s half-life | 3-5 hours
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| Which xanthine is priamily found in tea? | Theophylline
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| Medical use for theopylline? | Treat Asthma
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| Caffeine may cause upset stomach because? | Caffeine increases gastric secretions
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| Caffeine’s effect on heart rate | increases heart rate
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| True or False: Caffeine stimulates the Sympathetic Nervous System | True
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| True or False: Caffeine is a powerful diuretic | True
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