ABIM IM Practice Test 5
10 free ABIM IM practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
ABIM IM Practice Test 5Tutor mode
Question 1 of 10
GastroenterologyA 31-year-old woman is evaluated for fatigue and iron deficiency anemia that has not responded to 4 months of oral ferrous sulfate taken as directed. She reports intermittent bloating and loose stools for several years. Menses are regular and light. She has autoimmune hypothyroidism treated with levothyroxine. She eats a regular diet that includes wheat daily and does not take NSAIDs. Her mother has type 1 diabetes mellitus. Vital signs are normal; BMI is 19. Examination shows pallor and is otherwise normal. Laboratory results are shown. Which of the following is the most appropriate next diagnostic test?
| Test | Result | Reference range |
|---|---|---|
| Hemoglobin | 10.2 g/dL (L) | 12–16 g/dL |
| Mean corpuscular volume | 74 fL (L) | 80–98 fL |
| Ferritin | 8 ng/mL (L) | 24–307 ng/mL |
| Tissue transglutaminase IgA antibody (ELISA) | 0.6 U/mL | <4.0 U/mL |
| Immunoglobulin A, total | 6 mg/dL (L) | 90–325 mg/dL |
| Thyroid-stimulating hormone | 2.1 µU/mL | 0.5–4.0 µU/mL |