Consider the following statements about biomedical technologies,
(i) During open heart surgery blood is circulated in the heart-lung machine
(ii) Blockage in coronary arteries is removed by angiography
(iii) Computerised Axial Tomography (CAT) shows detailed internal structure as seen in a section of body.
(iv) X-ray provides clear and detailed images of organs like prostate glands and lungs
Which two of the above statements are correct?

Options

A. (i) and (iii)
B. (i) and (ii)
C. (ii) and (iv)
D. (iii) and (iv)

Answer

To solve the question regarding the correctness of the statements about biomedical technologies, let's analyze each statement step by step.

### Step 1: Analyze Statement (i)
**Statement (i):** During open heart surgery, blood is circulated in the heart-lung machine.

**Analysis:** This statement is correct. During open-heart surgery, the heart-lung machine takes over the function of pumping blood and oxygenating it, allowing surgeons to operate on a still heart.

### Step 2: Analyze Statement (ii)
**Statement (ii):** Blockage in coronary arteries is removed by angiography.

**Analysis:** This statement is incorrect. Angiography is a diagnostic procedure used to visualize the inside of blood vessels and organs, particularly to identify blockages. The actual removal of blockages is performed through a procedure called angioplasty or stenting, not angiography itself.

### Step 3: Analyze Statement (iii)
**Statement (iii):** Computerized Axial Tomography (CAT) shows detailed internal structure as seen in a section of the body.

**Analysis:** This statement is correct. CAT scans use X-ray technology to create detailed images of the internal structures of the body, allowing for cross-sectional views (slices) of organs and tissues.

### Step 4: Analyze Statement (iv)
**Statement (iv):** X-ray provides clear and detailed images of organs like prostate glands and lungs.

**Analysis:** This statement is partially correct but misleading. While X-rays can provide images of the lungs, they are not typically used for detailed imaging of the prostate gland. Other imaging techniques, such as MRI or ultrasound, are preferred for the prostate.

### Conclusion
Based on the analysis:
- **Correct Statements:** (i) and (iii)
- **Incorrect Statements:** (ii) and (iv)

Thus, the two correct statements are:
1. During open heart surgery, blood is circulated in the heart-lung machine.
2. Computerized Axial Tomography shows detailed internal structure as seen in a section of the body.

### Final Answer
The two correct statements are (i) and (iii).

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