Respiratory System MCQ [Revision Series] Physiology

Hi, thanks for watching our video about Respiratory System MCQ Physiology | Part: 2| For Physiotherapist |

In this video we’ll walk you through:
- DHA Exam for Physiotherapist
- MOH Exam for Physiotherapist
-HAAD Exam for Physiotherapist
-Prometrics Exam for Physiotherapist
-Physiotherapy Entrance Exam
- National physiotherapy Exam

Brief about above topic:

The respiratory system is the organs and other parts of your body involved in breathing, when you exchange oxygen and carbon dioxide.

Parts of the Respiratory System
Your respiratory system includes your:
Nose and nasal cavity
Sinuses
Mouth
Throat (pharynx)
Voice box (larynx)
Windpipe (trachea)
Diaphragm
Lungs
Bronchial tubes/bronchi
Bronchioles
Air sacs (alveoli)
Capillaries

Lung volumes are also known as respiratory volumes. It refers to the volume of gas in the lungs at a given time during the respiratory cycle.

Inspiratory capacity(IC)
It is the maximum volume of air that can be inhaled following a resting state. It is calculated from the sum of inspiratory reserve volume and tidal volume. IC = IRV+TV

Total Lung Capacity(TLC)
It is the maximum volume of air the lungs can accommodate or sum of all volume compartments or volume of air in lungs after maximum inspiration. The normal value is about 6,000mL(4‐6 L). TLC is calculated by summation of the four primary lung volumes (TV, IRV, ERV, RV).

Vital Capacity(VC)
It is the total amount of air exhaled after maximal inhalation. The value is about 4800mL and it varies according to age and body size. It is calculated by summing tidal volume, inspiratory reserve volume, and expiratory reserve volume. VC = TV+IRV+ERV.

Function Residual Capacity(FRC)
It is the amount of air remaining in the lungs at the end of a normal exhalation. It is calculated by adding together residual and expiratory reserve volumes. The normal value is about 1800 – 2200 mL. FRC = RV+ERV.

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Q 19 - Your breathing usually does not require any thought, because it is controlled by the AUTONOMIC nervous system, also called the involuntary nervous system.

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Q 28 - are u sure that it's not about adults? Because ARDS is an acute respiratory distress syndrome, that usually develops within a few hours to a few days after the precipitating injury or infection.

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Q 34 - Asphyxia is the extreme condition caused by lack of oxygen in the blood, produced by interference with respiration or insufficient oxygen in the air. So, the question is so controversial.