A PFA-100 method system is used to evaluate platelet function in a patient who is on aspirin therapy. Which of the following collagen/epinephrine closure time results would show a possible aspirin resistance in this patient (Reference interval <164 s)?

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A PFA-100 method system is used to evaluate platelet function in a patient who is on aspirin therapy. Which of the following collagen/epinephrine closure time results would show a possible aspirin resistance in this patient (Reference interval <164 s)?

Please select the single best answer