In the process of ventilation, the following occur:
a. pressure in thorax increases
b. volume of thorax increases
c. diaphragm goes down
d. ribcage goes down
Which of these occur during inhalation?
1. a and b only
2. b and c only
3. c and d only
4. a and c only
Read the following four statements (a-d) and select the option which includes all correct ones only :-
(a) | Exchange of O2 and CO2 at alveoli and tissue occur by active transport. |
(b) | Long exposure to industrial dust leads to inflammation leading to fibrosis and thus causing serious lung damage. |
(c) | EICM and IICM are muscles actively involved in normal and forced breathing respectively. |
(d) | Spirometer is unable to find out the functional residual capacity and total lung capacity. |
1. b, c and d
2. b and d
3. a, b and d
4. a, b, c and d
Given below are four diseases:
I. | Fluorosis |
II. | Pneumoconiosis |
III. | Silicosis |
IV. | Asthma |
Which one of the above is/are associated with occupational hazards?
1. II only
2. II & III
3. II, III & IV
4. I, II & III
List I | List II |
A. Expiratory capacity | I. TV + IRV |
B. Vital capacity | II. ERV + TV + IRV |
C. Inspiratory capacity | III. TV + ERV |
D. Functional residual capacity | IV. ERV + RV |
List I | List II |
A. Residual volume | I. Air volume remains in the lungs after a normal expiration |
B. Vital capacity | II. Maximum air volume a person can breathe in after a forced expiration |
C. Tidal volume | III. Air volume remains in the lungs after a forcible expiration |
D. Functional residual capacity | Air volume inspired during a normal respiration |
(a) | It includes ERV, TV and IRV |
(b) | Total volume of air a person can inspire after a normal expiration |
(c) | The maximum volume of air a person can breathe in after forced expiration |
(d) | It includes ERV, RV and IRV. |
(e) | The maximum volume of air a person can breathe out after a forced inspiration. |
Column I | Column II | ||
a. | Residual volume | (i) | 0.5 L |
b. | Expiratory reserve volume | (ii) | 2.5-3 L |
c. | Inspiratory reserve volume | (iii) | 1-1.1 L |
d. | Tidal volume | (iv) | 1.1-1.2 L |