ECG is used for the diagnosis of ailment of the ?
Correct answer: B. Heart
- A. Kidneys
- B. Heart
- C. Brain
- D. Lungs
Explanation
An ECG records the heart's electrical activity, helping detect problems such as abnormal rhythms and evidence of a heart attack. It does not directly diagnose diseases of the brain, lungs, or kidneys.
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About Inventions and Discoveries
Inventions and Discoveries covers the people, dates, principles and practical uses behind developments such as the wheel, printing press, telephone, electricity, radio, computer, internet, vaccines and space technology. It distinguishes an invention, which creates a device or process, from a discovery, which identifies something already present in nature.
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