Which are correct: A. Computed tomography and magnetic resonance imaging detect cancers of internal organs. B. Chemotherapeutic d…

Question

Which are correct: A. Computed tomography and magnetic resonance imaging detect cancers of internal organs. B. Chemotherapeutic drugs are used to kill non-cancerous cells. C. α-interferon activate the cancer patients' immune system and helps in destroying the tumour. D. Chemotherapeutic drugs are biological response modifiers. E. In the case of leukaemia blood cell counts are decreased.

Choose the correct answer from the options given below:

1. A. B and D only
2. B. D and E only
3. C. C and D only
4. D. A and C only (Correct answer)

Correct Answer

Option D — A and C only

Detailed Solution & Explanation

The correct answer is A and C only.

Key Points

• A true: CT and MRI are used to detect cancers of internal organs.
• C true: $\alpha$-interferons activate the patient's immune system to help destroy the tumour.
• B is wrong (chemotherapeutic drugs kill cancerous cells); D is wrong (interferons, not chemo drugs, are biological response modifiers); E is wrong (in leukaemia blood cell counts increase).