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WorksheetsRadiology interpretation I (Basics)_Review
Total questions: 40
Worksheet time: 25mins
Small, focused doses of high energy radiation passes through the subject, casting a "shadow" on the machine's sensors
MRI
X-Ray
CT
PET
Ultrasonography
Uses a very strong magnetic field
MRI
X-Ray
CT
PET
Ultrasonography
Which of the following is an X-ray
Which of the following is produced using CT?
Which of the following is produced using MRI
Which of the following is produced using ultrasonography?
Which of the following is produced using PET?
Requires the subject to drink radioactive sugars that get absorbed into tissues which give off radiation to the sensors.
MRI
X-Ray
CT
PET
Ultrasonography
Highlights tumors that are ACTIVELY growing.
MRI
X-Ray
CT
PET
Ultrasonography
On an Xray and CT scan, whiter shades are
more dense (harder)
less dense (softer)
What is Medical Imaging
Diagnosis using computer technology
Visual representation of the interior of a body
Virtual representation of symptoms
Simulating a surgery
Which of the following is NOT a type of medical imaging?
BMI
MRI
CAT Scan
Ultrasound
What device acts as the source and the detector of ultrasound waves
A Transducer
A Solenoid
A Megaphone
Computerized Tomograph
Is ultrasound safe to use?
YES
NO
MAYBE
What makes something radioactive?
an unstable nucleus
contaminated sewage
elements with an atomic number above 81
it decays over time
X-rays that pass through the air to the film render the film dark (black)
True
False
Plain radiographs provide information about bone, joint and soft tissue structures
True
False
MRI is the imaging modality of choice when infrequent imaging is required for diagnosis
True
False
Name the radio density marked at 1
Air
Fat
Fluid/Soft Tissue
Bone/ Calcium
Metal
Name the radio density marked at 4
Air
Fat
Fluid/Soft Tissue
Bone/ Calcium
Metal
Name the radio density marked at 5
Air
Fat
Fluid/Soft Tissue
Bone/ Calcium
Metal
Which of 3 imaging techniques use X-rays?
which is more expensive, CT or X-Ray
X-ray
CT
What allows to distinguish one internal structure from another X-ray or CT?
X-ray
CT
Ultrasound is only used for medical diagnosis.
True
False
If a Mr. Bob has a new growth in his body over the leg , attending surgeon is suspecting a soft tissue tumor. What is appropriate imaging modality should be requested for Mr. Bob
CT
MRI
Ultrasound
If a Mr. Bob has pacemaker in his body, is he allowed for getting MRI done
Yes
No
(a) shows organs functioning in real time using x-rays.
Which is not an advantage of Ultrasound examination
- must have a trained operator to be effective
- non ionising
- no/or little discomfort whilst procedure is taking place
- equipment is relatively cheap
Metal showing up as bright on the xray will be called
Radiopaque
Radiolucent
Over exposed
under exposed
Which of the following is/are characteristic of a noninvasive diagnostic procedure?
(⛔more than one answer)
Doesn't requires the radiologist to insert a catheter or wirer into a blood vessel or organ
Requires surgical aseptic technique
Uses standard X-ray or ultrasound to view internal structures
Requires close monitoring of the patient because of anesthesia
What is not correct about MRI principle of function
a high intensity magnetic field is created around body to align the protons
external radio-frequency of the same frequency as the spinning protons is applied
a gauntry revolves around the body at a high spinning rate
released energy is then received as a radio wave and converted by computer to create image
Choose correct indications of Ultrasound examination
(⛔more than one answer)
Obstetrics examination
Obstetrics
diagnosis of soft tissue pathology (fluid filled cavities)
Bone injuries
Vascular disease using doppler
Bone scans can help with diagnosis of?
(⛔more than one answer)
Metastatic disease,
bone infection,
Abnormal activity of osteoblasts
Obstetrics problems
Refers to energy that travels through space.
radiation
ionizing radiation
radioactivity
roentgen
the patient is injected with a specific radioactive nuclear tracer which will collect in the organ of interest. After some time the images are taken by
MRI scan
CT Scan
Gamma Camera
X-Ray
In nuclear medicine radioactive (a) can be used to see how well organs in the body are working or to find areas of disease.
What type of medical imaging has these characteristics
- imaging soft tissue and soft structures in real time
- can measure flow speeds
- is non invasive and non ionizing
Which are sources of ionizing radiation
(⛔more than one answer)
X-rays and other procedures used in medicine
Microwaves
nuclear weapons
Ultrasound waves
Radioactive substances used in industry
_________is used to light up the vessels or joint cavities for CTs and MRIs
Radioactive substance
Radiotracer
IV Contrast medium
Barium
