The kinetics of diffusion versus carrier-mediated transport processes vary, as depicted in Figure 1. Figure 1 Simple diffusion of a substance is described by the Fick equation, as follows: where…

a. C b. D c. E d. C + D e. E – D 161. A group of third-year medical students accompanied a medical mission team to Peru, South America….

a. 100 mg/min b. 200 mg/min c. 300 mg/min d. 400 mg/min e. 500 mg/min 371. A 16-year-old girl presents for her annual high school athletic physical. She states that…

The infant is treated for gastroenteritis and a saline drip is started. After 3 days, he appears well and alert and his diarrhea and vomiting have subsided. However, he still…

(Reproduced, with permission, from Longo DL, Fauci AS, Kasper DL, Hauser SL, Jameson JL, Loscalzo J. Harrison’s Principles of Internal Medicine. 18th ed. New York, NY: McGraw-Hill; 2012:2428.) Which of…

a. Early proliferative phase b. Menses c. Mid-luteal phase d. Ovulation e. Secretory phase 436. A 15-year-old boy presents for his annual athletic physical exam. A thorough examination reveals unilateral…

a. Point A b. Point B c. Point C d. Point D e. Point E 81. An 82-year-old woman with end-stage renal disease is brought to the emergency department complaining…

a. A change in PCO2 from 40 to 46 mm Hg b. A change in pH from 7.4 to 7.3 c. A decrease in core body temperature from 37°C to…

a. Cortisol b. Estrogen c. Insulin d. PTH e. Thyroxine 468. A 22-year-old woman presents with a recurrent vaginal candidiasis that is refractory to nystatin treatment. Diabetes screening shows elevated…