Podcast
Questions and Answers
What is the process called through which atmospheric air is directed through the air passage ways up to the alveoli in the lungs?
What is the process called through which atmospheric air is directed through the air passage ways up to the alveoli in the lungs?
- Alveolar sacs
- Respiration
- Exhalation
- Inspiration (correct)
What happens to the volume of thorax (chest) during inspiration?
What happens to the volume of thorax (chest) during inspiration?
- It becomes flat
- It decreases
- It remains unchanged
- It increases (correct)
What is the role of intercostal muscles during expiration?
What is the role of intercostal muscles during expiration?
- They remain unchanged
- They contract
- They become flat
- They relax (correct)
What forces the air present in the lungs to move outside through the body during expiration?
What forces the air present in the lungs to move outside through the body during expiration?
Which process involves the external air rushing inside from high pressure to low pressure?
Which process involves the external air rushing inside from high pressure to low pressure?
Which gas is primarily responsible for the gaseous exchange in alveoli?
Which gas is primarily responsible for the gaseous exchange in alveoli?
What is the composition of oxygen in inspired air as a percentage?
What is the composition of oxygen in inspired air as a percentage?
What is the purpose of passing exhaled air into lime water as demonstrated in Fig. 1.6?
What is the purpose of passing exhaled air into lime water as demonstrated in Fig. 1.6?
Why are alveoli and blood capillaries only one cell layered in thickness?
Why are alveoli and blood capillaries only one cell layered in thickness?
What is the role of hemoglobin in the gaseous exchange process in alveoli?
What is the role of hemoglobin in the gaseous exchange process in alveoli?
What is the term for the process in which a machine functions like lungs when a patient's natural breathing becomes difficult?
What is the term for the process in which a machine functions like lungs when a patient's natural breathing becomes difficult?
What is the term for the gradual increase in concentration of carbon dioxide in the blood that causes an increase in breathing rate?
What is the term for the gradual increase in concentration of carbon dioxide in the blood that causes an increase in breathing rate?
What is the term for the additional amount of oxygen required after anaerobic respiration, which is obtained through deep breaths?
What is the term for the additional amount of oxygen required after anaerobic respiration, which is obtained through deep breaths?
Which part of the brain regulates the involuntary process of breathing?
Which part of the brain regulates the involuntary process of breathing?
What causes pain and cramp in normal muscles as a result of anaerobic respiration?
What causes pain and cramp in normal muscles as a result of anaerobic respiration?
