Dolphins, Ultrasound medical technolgies, Bats and Submarines
100
MRI tests and scanners are really cheap.
True or False?
False
100
Where did the physicist who discovered X-rays originate from?
a)Antarctica
b)Germany
c)China
d)Canada
d)Germany
100
Who invented the cat scan?
a)Robert Ledley
b)Albert Einstein
c)Wilhelm Rontgen
d)Raymond Vahan Damadian
a)Robert Ledley
200
Ultrasound devices operate with frequencies from 20 kHz up to several gigahertz.
True or false?
True
200
MRI scans use radiation
True or False?
False
200
What year were X-rays discovered?
a)1751
b)1998
c)1801
d)1985
d)1985
200
CT scans use radiation.
True or False?
True
300
What is the approximate number of Kilohertz a human can hear?
a)20
b)14
c)5
d)100
20 kilohertz
300
What are three groups of people who should not have a MRI scan?
People who had surgery done; metal implants, pacemakers, metal chips.
Obese people.
People with Tattoos.
People who are claustrophobic.
300
Which Screen was used in this accidental discovery?
fluorescent screen
300
What does the cat scan look at?
a)tissues
b)blood vessels
c)organs
d)bones
e)all of the above
e)all of the above; tissues, blood vessels, organs and bones
400
What is another name for Ultrasonic imaging?
Sonography
400
What are the different views that a MRI image can come in.
Axial, Sagittal, Coronal, and Oblique
400
Why do only bones show in X-rays?
Bones are very dense , so light reflects off, creating a image of a skeleton
400
Name 3 advantages of a cat scan
CT scan is a painless.
CT scan is far superior to an MRI when evaluating skull fractures.
Ct scan can provide detailed images of the brain nervous tissue.
CT is excellent for individuals involved in head trauma.
CT is excellent in making a diagnosis of bleeding in the brain.
CT scan is much cheaper than an MRI and equally as fast.
The motion artifacts are less of a problem with a CT scan.
CT scan can be performed in patients with implanted medical devices.
CT scan provides dynamic imaging and thus allows for needle biopsies to be performed simultaneously.