The underlying pathophysiology of iron deficiency anemia involves:
Anonymous Quiz
38%
Hepcidin mediated block of iron release from macrophages
6%
Reduced globin chain synthesis
13%
Defective DNA synthesis in erythroblasts
44%
Impaired heme synthesis due to lack of iron
Maxemo EMREE 26-27
The underlying pathophysiology of iron deficiency anemia involves:
💡 EXPLANATION:
Iron is essential for heme synthesis. Deficiency leads to reduced hemoglobin production and microcytic hypochromic red blood cells.
A stable 30-year-old woman with pain and bleeding at 8 weeks amenorrhea has ultrasound evidence of a right adnexal mass and no intrauterine pregnancy. Beta hCG is 1200. What is the most appropriate management?
Anonymous Quiz
41%
Administer methotrexate
53%
Repeat beta hCG in 48 hours
0%
Laparoscopic salpingectomy
6%
Expectant management
Maxemo EMREE 26-27
A stable 30-year-old woman with pain and bleeding at 8 weeks amenorrhea has ultrasound evidence of a right adnexal mass and no intrauterine pregnancy. Beta hCG is 1200. What is the most appropriate management?
💡 EXPLANATION:
This is a confirmed ectopic pregnancy meeting criteria for medical management with methotrexate due to hemodynamic stability, low beta hCG level, and small adnexal mass.
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A patient with Graves disease develops a subtle high frequency tremor of the outstretched hands. This finding represents which complication?
Anonymous Quiz
19%
Coarse tremor
19%
Pretibial myxedema
14%
Exophthalmos
48%
Fine tremor
Maxemo EMREE 26-27
A patient with Graves disease develops a subtle high frequency tremor of the outstretched hands. This finding represents which complication?
💡 EXPLANATION:
Hyperthyroidism produces an adrenergic state leading to a high frequency low amplitude fine tremor, best seen with hands outstretched.
A patient with an inferior STEMI develops hypotension after nitrates with clear lung fields. What is the most likely cause?
Anonymous Quiz
10%
Papillary muscle rupture
20%
Right ventricular infarction
15%
Ventricular free wall rupture
55%
Cardiogenic shock from left ventricular failure
Maxemo EMREE 26-27
A patient with an inferior STEMI develops hypotension after nitrates with clear lung fields. What is the most likely cause?
💡 EXPLANATION:
Inferior STEMI may involve the right ventricle. Nitrates reduce preload and can precipitate hypotension in right ventricular infarction. Clear lungs argue against left ventricular failure.
The underlying pathophysiology of systemic lupus erythematosus involves:
Anonymous Quiz
8%
Fibroblast activation and fibrosis
15%
Anti-CCP antibodies and synovial pannus
69%
Anti-nuclear antibodies and immune complex deposition
8%
IL-23 and IL-17 driven inflammation
Maxemo EMREE 26-27
The underlying pathophysiology of systemic lupus erythematosus involves:
💡 EXPLANATION:
SLE is a type III hypersensitivity disorder characterized by immune complex deposition from anti-nuclear antibodies.
What is the first-line treatment for a healthy 1-year-old with uncomplicated community-acquired pneumonia due to suspected Streptococcus pneumoniae?
Anonymous Quiz
14%
Azithromycin
43%
Amoxicillin
21%
Ceftriaxone
21%
Vancomycin
Maxemo EMREE 26-27
What is the first-line treatment for a healthy 1-year-old with uncomplicated community-acquired pneumonia due to suspected Streptococcus pneumoniae?
💡 EXPLANATION:
High-dose amoxicillin is the first-line treatment for uncomplicated pediatric CAP due to Streptococcus pneumoniae.
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A 58-year-old man with long-standing diabetes reports early satiety and vomiting of undigested food hours after meals. This is most likely due to:
Anonymous Quiz
9%
Nephropathy
82%
Gastroparesis
9%
Peripheral neuropathy
0%
Retinopathy
Maxemo EMREE 26-27
A 58-year-old man with long-standing diabetes reports early satiety and vomiting of undigested food hours after meals. This is most likely due to:
💡 EXPLANATION:
Autonomic neuropathy affecting the vagus nerve leads to delayed gastric emptying, known as diabetic gastroparesis.
A 58-year-old man presents with crushing chest pain and ECG shows ST elevation in leads V2 to V4. What is the most critical immediate medication?
Anonymous Quiz
30%
Intravenous nitroglycerin
60%
Chewed aspirin 325 mg
10%
Intravenous metoprolol
0%
Unfractionated heparin bolus
Maxemo EMREE 26-27
A 58-year-old man presents with crushing chest pain and ECG shows ST elevation in leads V2 to V4. What is the most critical immediate medication?
💡 EXPLANATION:
Aspirin provides immediate mortality benefit in acute STEMI by inhibiting platelet aggregation and limiting thrombus propagation.