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Atropine: Quiz


Question 1:
How is Atropine excreted?
Metabolites eliminated in faeces
50% excreted unchanged in urine
50% excreted unchanged in urine

Question 2: Although atropine treats ________ (slow heart rate) in emergency settings, it can cause paradoxical heart rate slowing when given at very low doses, presumably as a result of central action in the CNS.
Atrial fibrillationTachycardiaMyocardial infarctionBradycardia

Question 3:
What is the molecular weight of Atropine?
266.381 g/mol
234.380 g/mol
466.551 g/mol

Question 4: This works because the main action of the ________ of the parasympathetic system on the heart is to decrease heart rate.
Accessory nerveVagus nerveHead and neck anatomyGlossopharyngeal nerve

Question 5: It is a competitive antagonist for the ________.
5-HT1A receptorMuscarinic acetylcholine receptorHistamine H3 receptor5-HT receptor

Question 6: In the Renaissance, women used the juice of the berries of ________ to enlarge the pupils of their eyes, for cosmetic reasons; "bella donna" is Italian for "beautiful lady".
ScopolamineHyoscyamus nigerAtropineAtropa belladonna

Question 7: This can be useful in treating ________, and can prevent the death rattle of dying patients.
FeverHyperhidrosisHeadacheFatigue (medical)

Question 8: Topical atropine is used as a cycloplegic, to temporarily paralyze the accommodation reflex, and as a mydriatic, to dilate the ________.
RetinaIris dilator musclePupilCiliary muscle

Question 9: The most commonly-found sources are ________, Datura inoxia, D. metel, and D. stramonium.
Atropa belladonnaAtropineHyoscyamus nigerScopolamine

Question 10: Atropine extracts from the Egyptian henbane were used by ________ in the last century B.C.
Ptolemy I SoterPtolemy II PhiladelphusPtolemy XIII Theos PhilopatorCleopatra VII

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