99. A 60-year-old woman is diagnosed with iron deficiency anemia. The transferrin level is high with this type of anemia because:

Bonus 4. A 30-year-old woman presents with muscle weakness and hypokalemia. Laboratory studies reveal metabolic alkalosis. Which condition best explains this presentation?

Bonus 1. A patient with septic shock has persistent hypotension despite fluid resuscitation. Which mechanism primarily contributes to the hypotension seen in septic shock?

49. A-delta fibers convey pain that is typically:

62. Urticaria is associated with which hypersensitivity reaction?

18. A 38-year-old man develops a painful thyroid after a viral URI; he now has palpitations and heat intolerance.His Lab values are as follows: TSH 0.03 µIU/mL (L), T4 2.1 ng/dL (H), T3 4.9 pg/mL (H). Given his lab values, he most likely has :

31. What type of dementia is typically seen in patients with large vessel strokes?

69. Rosacea, a chronic inflammatory skin condition  most commonly affects the :

6. How does H. pylori survive in the highly acidic stomach?

10. A 50-year-old man is diagnosed with gastroesophageal reflux disease. He smokes and drinks a lot of coffee. What is a likely reason for the development of reflux in this man?