Hem/Onc Quiz #6: Hemoglobin Electrophoresis

1. A 6-month-old male infant presents with severe anemia and failure to thrive. Hemoglobin electrophoresis reveals an absence of hemoglobin A (HbA) and a predominance of hemoglobin F (HbF) and small amounts of hemoglobin A2 (HbA2). Which of the following is the most likely diagnosis? 

Question 1 of 5

2. A 15-year-old African American boy is evaluated for mild anemia noted on a routine physical examination. He is asymptomatic and leads an active lifestyle. Hemoglobin electrophoresis demonstrates the presence of hemoglobin S (HbS) and hemoglobin A (HbA). Which of the following is the most likely diagnosis? 

Question 2 of 5

3. During a health screening at a local community center, a 25-year-old woman of Southeast Asian descent has hemoglobin electrophoresis performed as part of a genetic counseling session. The electrophoresis shows a small amount of hemoglobin A (HbA), a large amount of hemoglobin E (HbE), and no hemoglobin H (HbH) or hemoglobin Barts (γ4). What is the most likely genotype of this patient? 

Question 3 of 5

4. A newborn screening test reveals the presence of hemoglobin Barts (γ4) on hemoglobin electrophoresis. Which of the following genetic conditions is most consistent with this finding? 

Question 4 of 5

5. A patient with chronic hemolytic anemia undergoes hemoglobin electrophoresis, which shows an increase in hemoglobin C (HbC) and a decrease in hemoglobin A (HbA). No hemoglobin S (HbS) is detected. Which of the following is the most likely diagnosis? 

Question 5 of 5


 

¡Por tiempo limitado!

Unete a nuestro boletín mensual y obtén todos nuestros talleres USMLE/ECFMG ¡GRATIS! (+100 videos)

¡Únete a nuestra comunidad de IMGs!

¡Obtén actualizaciones mensuales USMLE y ECFMG, además, obtén un taller USMLE gratis al instante!

"Taller 01: ¿Qué es el USMLE?”

Taller Gratuito USMLE

Este taller proporciona un análisis en profundidad de todos los exámenes USMLE, consejos para tomar exámenes y cómo estudiar de manera efectiva.

OFERTA POR TIEMPO LIMITADO

Especialista ECFMG: Dr. Carla Rebeca Lainez Casal

Facultad de Medicina: Universidad Catholica de Santiago de Guayaquil
ECFMG Certification date: October 13, 2022.
Residency: 2023 Internal Medicine Applicant
+1 7542724970