Question
Download Solution PDFWhich of the following is the functional residual volume (FRV) ?
This question was previously asked in
AIIMS BSc NURSING 2023 Memory-Based Paper
Answer (Detailed Solution Below)
Option 2 : ERV + RV
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AIIMS BSc NURSING 2024 Memory-Based Paper
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Download Solution PDFThe correct answer is ERV + RV
Concept:
- The respiratory system includes various lung volumes and capacities, which are essential for understanding lung function and diagnosing respiratory conditions.
- Key lung volumes include Tidal Volume (TV), Expiratory Reserve Volume (ERV), Inspiratory Reserve Volume (IRV), and Residual Volume (RV).
- These volumes can be combined to form lung capacities, such as Expiratory Capacity (EC), Total Lung Capacity (TLC), and Functional Residual Capacity (FRC).
Explanation:
- Functional Residual Capacity (FRC): Volume of air that will remain in the lungs after a normal expiration. This includes ERV+RV.
- Inspiratory capacity (IC) - Total volume of air a person can inspire after a normal expiration. This includes tidal volume and inspiratory reserve volume (TV+IRV).
- Expiratory Capacity (EC): Total volume of air a person can expire after a normal inspiration. This includes tidal volume and expiratory reserve volume (TV+ERV).
- Vital Capacity (VC) - The maximum volume of air a person can breathe in after a forced expiration. This includes ERV, TV and IRV
- Residual Volume (RV) - Volume of air remaining in the lungs even after a forcible expiration. This averages 1100 mL to 1200 mL.
- Tidal Volume (TV) - Volume of air inspired or expired during normal respiration. It is approx. 500 mL., i.e., a healthy man can inspire or expire approximately 6000 to 8000 mL of air per minute.
Last updated on Jun 6, 2025
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