Tidal Volume
Trending Questions
Q.
Ciliated epithelium is found in ________________.
Oesophagus
tongue
trachea
uterus
Q. Which of the following statements is CORRECT?
- Mitral valve has three cusps which prevent the backflow of blood.
- Thebesian valve guards the opening of inferior vena cava to the right atrium
- Valves are absent between pulmonary veins and left atrium
- The opening of the superior vena cava into the right atrium is guarded by the Eustachian valve.
Q. If RQ is greater than 1 in a respiratory metabolism, what would be the respiratory substrate?
- Organic acids
- Proteins
- Carbohydrates
- Fats
Q. Diffusion of gases occurs in the alveolar region only and not in the other parts of respiratory system. Why?
Q. Assertion :
Reason: Kidneys are excretory and homeostatic organs.
Process of maintaining a constant internal environment is known as homeostasis.
- Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
- Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
- Assertion is correct but Reason is incorrect
- Both Assertion and Reason are incorrect
Q.
The amount of air that enters the lungs during normal, restful breathing is called the _____.
vital capacity
tidal volume
total lung capacity
expiratory reserve volume
Q. Which substance is toxic during cholera which may be fatal for a person?
- Sugar
- Urea
- Water
- Saline
Q. The partial pressure of oxygen is maximum in
- Alveolar air
- Arterial blood
- Expired air
- Venous blood
Q. What is fibrosis in lungs? How is it caused?
Q.
The alveolar epithelium in the lung is made up of which type of cells?
Ciliated columnar
Non-ciliated columnar
Ciliated squamous
Non-ciliated squamous
Q. Distinguish between inspiratory capacity and expiratory capacity.