Biology ยท Physics
Diagnostic Imaging
1,100 Questions
Diagnostic imaging involves various techniques used to look inside the human body for diagnosis and treatment. This covers technologies like computed tomography, ultrasound, and magnetic resonance imaging. These questions often appear in general science and general awareness examinations.
Medical imaging technologiesRadiation therapyDiagnostic proceduresNon-destructive testing
Diagnostic Imaging Questions
What is the name of the treatment that uses surgery to remove cancer cells?
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Surgery
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Radiotherapy
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Chemotherapy
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Immunotherapy
A
Correct answer
Explanation
Surgery uses surgery to remove cancer cells.
How are bone and joint infections diagnosed?
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Physical examination
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Blood tests
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Imaging tests
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All of the above
D
Correct answer
Explanation
Bone and joint infections are diagnosed based on a combination of physical examination, blood tests, and imaging tests. Blood tests can help identify the presence of infection, while imaging tests, such as X-rays, CT scans, and MRI scans, can help visualize the affected area and determine the extent of the infection.
Which brain imaging technique measures changes in blood flow in the brain?
A
Correct answer
Explanation
fMRI (functional magnetic resonance imaging) measures changes in blood flow in the brain, which is an indirect measure of neural activity.
Which brain imaging technique measures electrical activity in the brain?
B
Correct answer
Explanation
EEG (electroencephalography) measures electrical activity in the brain, which is a direct measure of neural activity.
Which brain imaging technique uses magnetic fields to stimulate the brain?
C
Correct answer
Explanation
TMS (transcranial magnetic stimulation) uses magnetic fields to stimulate the brain, which can be used to study the effects of brain stimulation on behavior and cognition.
Which brain imaging technique uses radioactive tracers to measure brain metabolism?
D
Correct answer
Explanation
PET (positron emission tomography) uses radioactive tracers to measure brain metabolism, which can be used to study the relationship between brain activity and cognition.
What is the name of the technology that allows doctors to create 3D models of a patient's anatomy based on medical images?
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3D Printing
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Virtual Reality
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Augmented Reality
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Medical Imaging
A
Correct answer
Explanation
3D printing is a technology that allows doctors to create physical models of a patient's anatomy based on medical images.
What is the name of the technology that allows doctors to perform surgery through small incisions using a camera and robotic instruments?
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Telemedicine
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Robotic Surgery
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Virtual Reality Surgery
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Augmented Reality Surgery
B
Correct answer
Explanation
Robotic surgery is a type of minimally invasive surgery that allows doctors to perform complex procedures through small incisions using robotic instruments.
Which technology is commonly used to create detailed images of the seafloor?
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Sonar
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CTD (Conductivity, Temperature, Depth)
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ROV (Remotely Operated Vehicle)
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Multibeam Echosounder
D
Correct answer
Explanation
A multibeam echosounder is a sonar system that emits a fan-shaped beam of sound waves to create detailed images of the seafloor, providing information about its topography and features.
How is cirrhosis diagnosed?
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Blood tests
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Imaging tests
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Liver biopsy
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All of the above
D
Correct answer
Explanation
Cirrhosis is diagnosed with a combination of blood tests, imaging tests, and a liver biopsy.
What is the most common type of thyroid surgery?
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Total thyroidectomy
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Subtotal thyroidectomy
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Hemithyroidectomy
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Isthmusectomy
A
Correct answer
Explanation
Total thyroidectomy is the surgical removal of the entire thyroid gland. It is the most common type of thyroid surgery and is typically performed to treat thyroid cancer or Graves' disease.
What is the most common type of adrenal surgery?
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Adrenalectomy
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Partial adrenalectomy
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Adrenal exploration
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Adrenal biopsy
A
Correct answer
Explanation
Adrenalectomy is the surgical removal of one or both adrenal glands. It is the most common type of adrenal surgery and is typically performed to treat adrenal cancer or Cushing's syndrome.
Which diagnostic test is commonly used to visualize the pericardium and detect pericardial effusion?
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Echocardiogram
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Electrocardiogram (ECG)
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Chest X-ray
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Cardiac MRI
A
Correct answer
Explanation
Echocardiography, using ultrasound waves, provides real-time images of the heart and surrounding structures, allowing for the assessment of pericardial effusion and other abnormalities.
Which brain imaging technique is commonly used to study the angular gyrus?
A
Correct answer
Explanation
fMRI (functional magnetic resonance imaging) is a brain imaging technique that is commonly used to study the angular gyrus. fMRI measures changes in blood flow to different parts of the brain, which can be used to infer which brain regions are active during different tasks.
Which of the following is a common respiratory assessment technique used to visualize the airways and diagnose respiratory conditions?
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Bronchoscopy
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Spirometry
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Pulse oximetry
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Chest X-ray
A
Correct answer
Explanation
Bronchoscopy is a common respiratory assessment technique used to visualize the airways and diagnose respiratory conditions by inserting a flexible tube with a camera into the airways.