Which two of the following statements about biomedical technologies are correct?(a) During open heart surgery, blood is circulated in the heart-lung machine.(b) Blockage in coronary arteries is removed by angiography.(c) shows detailed internal structure as seen in a section of the body.(d) X-ray provides detailed images of soft organs like the prostate gland.
- Aa and b
- Bb and d
- Cc and d
- Da and c
Solution & Step-by-step Explanation
1. (a) is correct: The heart-lung machine takes over circulation and oxygenation during surgery.2. (c) is correct: or scans use X-rays to create detailed cross-sectional images.3. (b) is wrong because angiography is just diagnostic (imaging); angioplasty is the procedure to remove blockage. (d) is wrong because X-rays are poor for soft tissue imaging.