2..1 and 2.12 CT and PET scanning

Question 1

What type of radiation do CT scans fire into the brain?

Answer 1

X- ray radiation

Question 2

What type of image of the brain do CT scans generate?

Answer 2

3D image

Question 3

What type of people are CT scans not recommended for?

Answer 3

.Children

.Pregnant Women

Question 4

What is injected into the blood when carrying out a PET scan?

Answer 4

A radioactive tracer

Question 5

What type of areas will be highlighted more brightly in a PET scan?

Answer 5

.Areas where the tracer builds up

Question 6

What is the main use of PET scans?

Answer 6

.Identifying cancerous tumours

Question 7

Give two reasons why investigating brain function and treating brain injury and disease is difficult

Answer 7

.It is complex and delicate
.It is easily damaged
.Drugs given to diseases cannot always reach the brain because of the membranes hat surround it
.It is not fully understood which part of the brain does what