Match the terms with their correct meanings.

-Time required for a radioactive substance to lose half its radioactivity by disintegration

Question

Match the terms with their correct meanings.

-Time required for a radioactive substance to lose half its radioactivity by disintegration

Quizplus · Accepted Answer

Half-life is the time required for a radioactive substance to lose half its radioactivity by disintegration.

Answer: B
 Radiopharmaceutical is a radioactive drug used for diagnostic or therapeutic purposes.

Answer: C
 Scan refers to a medical procedure that creates an image of internal body structures using radiation, sound waves, or magnetic fields.

Answer: G
 Ultrasound is a medical imaging technique that uses high-frequency sound waves to create an image of internal body structures.

Answer: F
 Tagging refers to the process of labeling a substance with a radioactive or non-radioactive tracer in order to track its movement in the body.

Answer: E
 Transducer is a device that converts one form of energy into another, such as converting sound waves into electrical signals.

Answer: H
 Uptake refers to the amount of a substance that is absorbed and retained by a tissue, organ, or cell.

Answer: I
 Ventilation/perfusion studies are medical imaging tests that measure the airflow and blood flow in the lungs to diagnose respiratory conditions.

Answer: J
 Single-photon emission computed tomography (SPECT) is a medical imaging technique that uses gamma rays to create a three-dimensional image of internal body structures.

Match the Terms with Their Correct Meanings