Respiratory Quiz #9, Oxygen-Hemoglobin Dissociation Curve  

1. A 25-year-old male is brought to the emergency department following exposure to a house fire. He is disoriented, with cherry-red colored skin, and arterial blood gas analysis shows a PaO2 within normal limits. Which of the following best explains the patient's presentation? 

Question 1 of 5

2. A patient with chronic obstructive pulmonary disease (COPD) is experiencing a worsening of his condition. Which of the following changes in the oxygen-hemoglobin dissociation curve would you expect in this patient due to his chronic hypoxemia and compensatory mechanisms? 

Question 2 of 5

3. A mountaineer is acclimatizing at a high altitude. Which of the following adaptations would most likely occur in the oxygen-hemoglobin dissociation curve to improve oxygen unloading in peripheral tissues? 

Question 3 of 5

4. During an intense workout, a sprinter experiences increased oxygen delivery to her active muscles. Which of the following factors is most likely responsible for enhancing oxygen unloading from hemoglobin in the sprinter's muscles? 

Question 4 of 5

5. A patient with severe anemia is receiving a blood transfusion. Which of the following properties of the oxygen-hemoglobin dissociation curve would be most useful for ensuring efficient oxygen delivery to the patient's tissues? 

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.


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