Final answer:
Ultrasonography is a safe and non-invasive medical imaging technique that uses ultrasound waves to create images of internal organs and tissues, commonly used for monitoring pregnancies and diagnosing various conditions.
Step-by-step explanation:
The diagnostic test that uses high-frequency sound waves to create an image of the organs and structures is known as ultrasonography. This imaging technique involves the transmission of ultrasound waves into the body, which then produce echoes as they reflect off different tissues. These echoes are captured and converted by a computer into real-time images that can be used for medical evaluation. Ultrasonography is particularly favored due to its non-invasive nature and is extensively utilized for monitoring heart function, assessing blood flow, diagnosing conditions such as gallbladder disease, and observing fetal growth and development during pregnancy.
While beneficial and safe, ultrasonography does have limitations; it is heavily dependent on the skill of the operator, and its ability to penetrate bone and gas is poor, which can affect the quality of the images produced.