NUCLEAR MEDICINE

Question 1

branch of medicine that uses radioactive substances in diagnosis and therapy

Answer 1

nuclear medicine

Question 2

these substances consist of pharmaceuticals labelled with radioisotopes “________”

Answer 2

radiopharmaceuticals

Question 3

in diagnosis, radioactive substances are administered to patient and the radiation emitted is measured and location recorded

true or false

Answer 3

true

Question 4

in therapy, radioisotopes are administered to treat disease

true or false

Answer 4

true

Question 5

it use a carrier molecule, selected to target the organ/tissue of interest, tagged with radioisotopes which is emitting gamma ray

Answer 5

nuclear medicine technique

Question 6

radiology is also called as

Answer 6

xray radiation

Question 7

is a medical specialty that involves using medical imaging technology to take pictures of the muscles, bones, ad organs

Answer 7

radiology

Question 8

a type of medical imaging that uses nuclear compounds and radioactive materials to observe chemical interactions inside the body and inspect organs and bones

Answer 8

nuclear medicine

Question 9

it creates images using internal radiation waves from inside the body

Answer 9

nuclear medicine

Question 10

it develops images and apply external energy waves to the body

Answer 10

radiology

Question 11

the routes of administration for radioactive substances includes ___

Answer 11

intravenous injection
subcutaneous injection
inhalation
ingestion

Question 12

the radioactive substances is injected to a vein

Answer 12

intravenous injection

Question 13

radioactive substances is injected under the skin

Answer 13

subcutaneous injection

Question 14

some radioactive substances radioisotopes are inhaled by the patient

Answer 14

inhalation

Question 15

radioactive substances can be ingested

Answer 15

ingestion

Question 16

the radioactive materials administered to patients are known as

Answer 16

radiopharmaceuticals

Question 17

radiopharmaceuticals are consists of

Answer 17

chemical molecule which determines the behavior of the radiopharmaceutical in the body

the radiation emitted by the radionuclide may be detected from outside the body by a radionuclide imaging device (a gamma camera) or may be detected in a sample of a body fluid (e.g. plasma or urine)

Question 18

radionuclide must have certain properties such as

Answer 18

emit only gamma radiation
emit gamma ray with the right energy (120 kec - 300 kev) to allow detection by a gamma camera
have a short half-life
be cheap
be readily available

Question 19

examples of radionuclide, half life and the target tissues

technetium

Answer 19

6 hrs

salivary gland, thyroid, bone, blood, lover, lung, heart

Question 20

examples of radionuclide, half life and the target tissues

iodine

Answer 20

8 days - thyroid

Question 22

examples of radionuclide, half life and the target tissues

gallium

Answer 22

78 hours

tumors and inflammation

Question 23

is an electronic device used in medical diagnosis for imaging the distribution of radioactive compounds in the tissues

Answer 23

gamma camera

Question 24

it is a devie used for imaging in nuclear medicine for imaging the gamma rays emanating from the radioactive compounds in the body

Answer 24

gamma camera