NUCLEAR MEDICINE


NUCLEAR MEDICINEOnline version Here you will test what you learned about nuclear medicine! by SILVANA VISBAL LOPEZ 1 What makes nuclear medicine different from many other diagnostic techniques? a It only shows the structure of bones. b It can show how certain tissues and processes are functioning. c It does not use radioactive substances. d It can only be used to treat cancer. 2 What does PET stand for? a Positron Energy Treatment b Photon Emission Therapy c Positron Emission Tomography d Positron Electronic Test 3 Why is a radiotracer used in a PET scan? a To immediately destroy cancer cells. b To increase the body's temperature. c To allow the scanner to detect metabolic activity inside the body. d To replace blood cells. 4 Why can radiation be used to treat cancer? a It increases cell growth. b It removes all radiation. c It absorbs the tumors. d It can damage cell DNA. 5 A patient has symptoms that could be related to a disease. Doctors need information about the metabolic activity of different tissues. Which technology could help? a PET scan b X-ray c Thermometer d Ultrasound 6 A doctor wants to know how active certain cells are, rather than only where they are located. What information would be most useful? a An X-ray of the patient’s system. b Their body temperature c A PET image showing metabolic activity. d A blood test form the patient. 7 A nuclear medicine procedure exposes a patient to a controlled amount of radiation, but it can provide important information about their disease. What should doctors consider? a The benefit compared with the risk. b Only the radiation risk. c Only the cost. d Whether it’s going to hurt. 8 What is an important trade-off when using radiation in medicine? a Choosing between medicine and technology. b Avoiding all medical technology. c Choosing between your spiritual health and radiation. d Using radiation while limiting unnecessary exposure. 9 A patient needs a nuclear medicine procedure. There is a radiation risk, but the procedure could help diagnose or treat a disease. What is the most scientifically appropriate approach? a Never use radiation. b Ignore the radiation risk. c Weigh the benefits and risks. d Always choose the newest technology. Feedback 1 Nuclear medicine uses radioactive substances to obtain information about processes happening inside the body. 2 PET stands for Positron Emission Tomography. It uses a radioactive tracer to create images of activity inside the body. 3 The radiotracer emits radiation that can be detected by the PET scanner, allowing it to create an image of metabolic activity. 4 Radiation can damage DNA, making it difficult for cancer cells to continue dividing and surviving. 5 PET can show metabolic activity by using a radioactive tracer. 6 PET can provide information about metabolic activity and how tissues are functioning. 7 Doctors need to consider whether the expected medical benefit justifies the radiation exposure. 8 Nuclear medicine aims to use the benefits of radiation while limiting unnecessary exposure and potential risks. 9 A scientific decision considers both the potential benefits and risks, along with the patient's situation.

1

What makes nuclear medicine different from many other diagnostic techniques?

a

It only shows the structure of bones.

b

It can show how certain tissues and processes are functioning.

c

It does not use radioactive substances.

d

It can only be used to treat cancer.

2

What does PET stand for?

a

Positron Energy Treatment

b

Photon Emission Therapy

c

Positron Emission Tomography

d

Positron Electronic Test

3

Why is a radiotracer used in a PET scan?

a

To immediately destroy cancer cells.

b

To increase the body's temperature.

c

To allow the scanner to detect metabolic activity inside the body.

d

To replace blood cells.

4

Why can radiation be used to treat cancer?

a

It increases cell growth.

b

It removes all radiation.

c

It absorbs the tumors.

d

It can damage cell DNA.

5

A patient has symptoms that could be related to a disease. Doctors need information about the metabolic activity of different tissues. Which technology could help?

a

PET scan

b

X-ray

c

Thermometer

d

Ultrasound

6

A doctor wants to know how active certain cells are, rather than only where they are located. What information would be most useful?

a

An X-ray of the patient’s system.

b

Their body temperature

c

A PET image showing metabolic activity.

d

A blood test form the patient.

7

A nuclear medicine procedure exposes a patient to a controlled amount of radiation, but it can provide important information about their disease. What should doctors consider?

a

The benefit compared with the risk.

b

Only the radiation risk.

c

Only the cost.

d

Whether it’s going to hurt.

8

What is an important trade-off when using radiation in medicine?

a

Choosing between medicine and technology.

b

Avoiding all medical technology.

c

Choosing between your spiritual health and radiation.

d

Using radiation while limiting unnecessary exposure.

9

A patient needs a nuclear medicine procedure. There is a radiation risk, but the procedure could help diagnose or treat a disease. What is the most scientifically appropriate approach?

a

Never use radiation.

b

Ignore the radiation risk.

c

Weigh the benefits and risks.

d

Always choose the newest technology.

Feedback

1

Nuclear medicine uses radioactive substances to obtain information about processes happening inside the body.

2

PET stands for Positron Emission Tomography. It uses a radioactive tracer to create images of activity inside the body.

3

The radiotracer emits radiation that can be detected by the PET scanner, allowing it to create an image of metabolic activity.

4

Radiation can damage DNA, making it difficult for cancer cells to continue dividing and surviving.

5

PET can show metabolic activity by using a radioactive tracer.

6

PET can provide information about metabolic activity and how tissues are functioning.

7

Doctors need to consider whether the expected medical benefit justifies the radiation exposure.

8

Nuclear medicine aims to use the benefits of radiation while limiting unnecessary exposure and potential risks.

9

A scientific decision considers both the potential benefits and risks, along with the patient's situation.