NEETZoologyHuman Health and Diseases
Read the following statements carefully: (A) MRI uses ionizing radiations and strong magnetic fields to detect pathological changes. (B) Computed tomography uses X-rays to generate a three-dimensional image of the internal organs. (C) UV rays are non-ionizing radiations that cause DNA damage leading to neoplastic transformation. (D) Cellular oncogenes (c-onc) present in normal cells can lead to oncogenic transformati
Options
- ATwo
- BThree
- CFour
- DFive
Correct answer
C. Four
Step-by-step solution
Statement (A) is incorrect because MRI uses strong magnetic fields and non-ionizing radiations (not ionizing radiations) to accurately detect pathological and physiological changes in living tissue. Statement (B) is correct as Computed tomography (CT) uses X-rays to generate a 3-D image of the internals of an object. Statement (C) is correct because non-ionizing radiations like UV cause DNA damage leading to neoplastic transformation. Statement (D) is correct as cellular oncogenes (c-onc) or proto-oncogenes in norm