A) ECG
B) EEG
C) CT-scan
D) Endoscopy
Correct Answer: C
Solution :
X-rays are electromagnetic waves these are used in X-ray radiography and CT scanning. CT scanning was developed by Godfry Hounsefield and useful in diagnosis of disorders in any part of body like abdomen, chest, spinal cord and brain. In endoscopy we seen internal structure like internal organs with the help of optical fibres, EEG and ECG are used for diagnosis of disease of brain and heart respectively.
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