

MCQOPTIONS
Saved Bookmarks
1. |
Endoscope is an instrument used to detect the ulcers in the stomach has a long narrow tube (with a small glowing bulb at one end) which is inserted in to the stomach through the mouth contains. |
A. | small current carrying wire |
B. | a narrow tube containing water |
C. | optical fibre |
D. | a narrow tube containing some chemical solution |
Answer» D. a narrow tube containing some chemical solution | |