Baseline Exam question with complete solution graded A+ 2023 passed

Baseline Exam question with complete solution graded A+ 2023 passed A 65-year-old man is seen for loose stools 3 times per day for 1 week. Two weeks prior he began a 6-week course of ciprofloxacin for prostatitis. There is no blood in his stool. His past medical history is notable for atrial fibrillation, hypertension, and gout. He takes atenolol, warfarin, hydrochlorothiazide, and allopurinol. He smoked 2 packs per day for 30 years but quit 10 years ago. He no longer drinks, but he drank heavily until 10 years ago. He does not use drugs. He works as a plumber. His mother and father both died of heart attacks in their 80s. He has not noted any bruising, epistaxis, or bleeding gums. His temperature is 36.7, heart rate 89, blood pressure 115/84, respiratory rate 16, and oxygen saturation 98% on room air. He weighs 70kg. He is alert and oriented and in no acute distress. His physical examination is normal, and he has no ecchymoses. His WBC count is 7,800/microliter, hemoglobin 14.6 g/dL, hematocrit 47%, and platelet count 412,000/microliter. PT is 63 seconds, with an INR of 5.9. His PTT is 40 seconds. What is the next step in management of his coagulopathy? 1. vitamin K 10 mg orally 2. vitamin K 10mg IV 3. 3 units fresh frozen plasma 4. hold warfarin and recheck INR in 2-3 days 5. plasmapheresis - correct answer 4. hold warfarin and recheck INR in 2-3 days A 22-year-old man presents for a pre-marital evaluation. He is asymptomatic and feels well. His past medical history is notable for sickle cell trait. He takes a multivitamin and has no allergies. He does not smoke, drink, or use drugs. He is a card dealer at a casino. His ROS and exam are negative. His fiancée is also asymptomatic and has been diagnosed with alpha-thalassemia trait based on hemoglobin electrophoresis. She is an immigrant from Kenya and works in public relations.