During strenuous exercise, a significant increase in the concentration of 2,3-bisphosphoglycerate (2,3-BPG) in erythrocytes is observed. This increase PRIMARILY facilitates which of the following?
Increased oxygen binding in the lungs
Enhanced oxygen unloading in tissues
Increased carbon dioxide transport in blood
Reduced oxygen affinity of fetal hemoglobin
Related Questions
In high-altitude environments, the partial pressure of oxygen is significantly reduced. Which physiological adaptation is LEAST likely to occur in individuals acclimatized to high altitude?
Increased erythropoietin production
Increased respiratory rate
Decreased 2,3-BPG levels
Increased capillary density in tissues
Which of the following respiratory organs are present in spiders and scorpions?
Book lungs
Gills
Gill books
Lungs
Mechanism of breathing vary among different group of animals depending mainly on the
A) Habits B) Habitats
C) Levels of organization D) Demand of situation
A) Habits
B) Habitats
C) Levels of organization
D) Demand of situation
A patient presents with significantly reduced lung compliance and an inability to fully exhale. Microscopic examination of lung tissue reveals thickened alveolar walls and loss of elastic fibers. Which of the following conditions is the MOST likely diagnosis?
Emphysema
Asthma
Pulmonary fibrosis
Cystic fibrosis
The voice box in humans is also known as the:
Pharynx
Larynx
Trachea
Bronchi
The role of surfactant in the alveoli is to:
Increase surface tension and facilitate gas exchange
Reduce surface tension and prevent alveolar collapse
Increase lung compliance by thickening alveolar walls
Decrease lung compliance by making alveolar walls more rigid
What is the function of the pleural fluid?
Facilitates gas exchange between the lungs and the blood
Provides structural support to the lungs
Reduces friction between the lungs and the thoracic wall
Stores oxygen for use during periods of high demand
Which one respires through gills?
Fish
Dog
Bird
Snake
The total number of lobes and alveoli present in both the lungs of man are
17 and 30 million, respectively
5 and 300 million, respectively
19 and 300 million, respectively
18 and 300 lakh, respectively
When the nutrients are oxidised without using molecular called …A… in yeast glucose formed …B… and . Endoparasite also respire …C… . It gives low energy. Choose the correct option for A, B and C
Anaerobic respiration, Ethanol, Anaerobically
Aerobic respiration, Lactic acid, Aerobically
Anaerobic respiration, Lactic acid, Anaerobically
Aerobic respiration, Ethanol, Aerobically
