Posted: July 24th, 2017
The circles represent the size of a patient’s pupils without treatment and following treatment with tyramine and with
epinephrine. Which of the following is compatible with the findings shown for the left eye?
(A) Blockade of α-adrenergic receptors
(B) Blockade of β-adrenergic receptors
(C) Blockade of muscarinic receptors
(D) Inhibition of cholinesterase
(E) Sympathetic denervation
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