ANATOMY OF LUNGS
Q. 1
Cut surface of lungs in Silicosis shows?
| A | Pleural thickening | |
| B |
Hard collagenous scars |
|
| C | Nodules | |
| D |
All of the above |
Q. 1
Cut surface of lungs in Silicosis shows?
| A | Pleural thickening | |
| B |
Hard collagenous scars |
|
| C | Nodules | |
| D |
All of the above |
Ans.
D
C
A
Explanation:
All of the above REF: Robbin’s 7th ed p. 734
Cut surface of lung in silicosis shows:
- Tiny barely palpable nodules in early stage
- Hard collagenous scars later on
- Pleural thickening
Q. 2 Gray hepatization of lungs is seen on day:
| A | 1 | |
| B | 2 – 3 | |
| C | 3 – 5 | |
| D | 5 – 7 |
Q. 2 Gray hepatization of lungs is seen on day:
| A | 1 | |
| B | 2 – 3 | |
| C | 3 – 5 | |
| D | 5 – 7 |
Ans.
Explanation:
3 – 5
Q. 3
Lungs develop from:
| A |
Foregut |
|
| B |
Midgut |
|
| C |
Hindgut |
|
| D |
None of the above |
Q. 3
Lungs develop from:
| A |
Foregut |
|
| B |
Midgut |
|
| C |
Hindgut |
|
| D |
None of the above |
Ans.
Explanation:
When the embryo is approximately 4 weeks old, the respiratory diverticulum (lung bud) appears as an outgrowth from the ventral wall of the foregut

