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Xanthines

Xanthines for Biology of Drugs

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

 

 



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