What technique uses ultrasonic waves to form images of the heart?
Show answer & explanation
Correct answer: C
Explanation
Correct Answer:
Option 3 (Echocardiography)
Explanation:
Echocardiography is a medical technique that uses ultrasound waves to create images of the heart. These high-frequency sound waves bounce off various parts of the heart and are converted into dynamic images by a computer. It is used to examine the heart's structure, valve function, and blood flow.
Additional Facts:
Electrocardiography (ECG): A technique for measuring the electrical activity of the heart.
Sonography: A common use of ultrasound to examine internal organs.
Radiography: This involves the use of ionizing radiation, such as X-rays, to create images of organs.
Possible Questions for the Upcoming Exam:
What is the frequency range of sound waves audible to the human ear?
(Answer: 20 Hz to 20,000 Hz)
What waves are used in sonar technology?
(Answer: Ultrasonic waves)
What instrument do doctors use to listen to the heartbeat?
(Answer: Stethoscope)