1. A 54-year-old wom an recently diagnosed w ith iron de ciency anem ia started a treatm ent w ith oral ferrous sulfate. Which of the follow ing m echanism s was m ost likely involved in the patient’s...

1. A 54-year-old wom an recently diagnosed w ith iron de ciency anem ia started a treatm ent w ith oral ferrous sulfate. Which of the follow ing m echanism s was m ost likely involved in the patient’s intestinal absorption of the drug? A. Aqueous di usion B. Lipid di usion C. Facilitated di usion D. Active transport E. Exocytosis 2. A 33-year-old m alnourished wom an in her eighth m onth of pregnancy presented to the clinic com plaining of extrem e lethargy. The wom an was m ultiparous and living in a poor suburban area w ith her two daughters. Pertinent laboratory values on adm ission were red blood cell (RBC) count 2.9 × 106/mm3 (norm al, fem ale 3.5-5.5 × 106/m m3), m ean corpuscular volum e 90 fL (norm al 80-100 fL), hem oglobin 7 g/dL (norm al, fem ale > 12 g/dL), serum ferritin 8 µg/dL (norm al 30-300 µg/dL), serum vitam in B12 350 pg/m L (norm al > 280 pg/m L), RBC folate 45 ng/m L (norm al 150-800 ng/m L). Blood stain dem onstrated both m icro- and m acrocytic erythrocytes and blood hypochrom ia. Which of the follow ing pairs of drugs would represent an appropriate treatm ent for this patient? A. Cyanocobalam in and ferrous sulfate B. Erythropoietin and hydroxocobalam in C. Folic acid and ferrous sulfate D. Iron dextran and lgrastim E. Folic acid and erythropoietin