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Cycloplegia: Quiz


Question 1: Destruction of the sphincter pupillae from any cause can result in a permanent condition, called "________." Light entering an eye with a destroyed sphincter will result in severe pain, because the pupil can not be made smaller.
PhotophobiaUveitisConjunctivitisPathologic nystagmus

Question 2: They are indicated for use in cycloplegic ________ and the treatment of uveitis.
Refractive indexRefractionMetamaterialOptics

Question 3: These include ________, cyclopentolate, homatropine, scopolamine and tropicamide.
AtropineDicycloverineHyoscyamineMuscarinic antagonist

Question 4: Cycloplegic drugs are generally ________ blockers.
Acetylcholine receptor5-HT receptor5-HT1A receptorMuscarinic acetylcholine receptor

Question 5: Many cycloplegics are also mydriatic (pupil dilating) agents and are used as such during ophthalmoscopic examinations to better visualize the ________.
RetinaIris dilator muscleScleraCiliary muscle

Question 6: Cycloplegia is paralysis of the ________ of the eye, resulting in a loss of accommodation.
Iris sphincter muscleCiliary muscleIris dilator muscleSclera

Question 7: The sphincter pupillae is stimulated through ________ by the parasympathetic nervous system.
5-HT receptor5-HT1A receptorMuscarinic acetylcholine receptorAcetylcholine receptor


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