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 most common type of physical examination?
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General physical examination
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Neurological examination
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Cardiovascular examination
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Respiratory examination
A
Correct answer
Explanation
The most common type of physical examination is a general physical examination, which includes a head-to-toe examination of the patient.
Which brain imaging technique is commonly used to study the neural basis of language?
A
Correct answer
Explanation
fMRI (functional magnetic resonance imaging) is a neuroimaging technique that measures brain activity by detecting changes in blood flow, and is commonly used to study the neural basis of language.
Which imaging technique is commonly used to diagnose and monitor joint damage in arthritis?
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X-ray
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Magnetic resonance imaging (MRI)
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Computed tomography (CT) scan
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Ultrasound
A
Correct answer
Explanation
X-ray is a widely used imaging technique for diagnosing and monitoring joint damage in arthritis, providing clear visualization of bones and their structures.
How is oral cancer diagnosed?
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Physical examination
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Biopsy
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Imaging tests
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All of the above
D
Correct answer
Explanation
Oral cancer is diagnosed through a combination of physical examination, biopsy, and imaging tests.
Which imaging technique utilizes magnetic fields and radio waves to produce detailed cross-sectional images of the body?
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X-ray
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Ultrasound
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Magnetic Resonance Imaging (MRI)
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Computed Tomography (CT) Scan
C
Correct answer
Explanation
Magnetic Resonance Imaging (MRI) is a non-invasive imaging technique that uses magnetic fields and radio waves to create detailed cross-sectional images of the body. It is particularly useful for diagnosing and monitoring a wide range of medical conditions, including brain tumors, heart disease, and musculoskeletal disorders.
What is the name of the surgical procedure that uses a tiny camera and specialized instruments inserted through small incisions to perform minimally invasive surgery?
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Laparoscopy
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Endoscopy
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Robotic Surgery
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Open Surgery
A
Correct answer
Explanation
Laparoscopy is a minimally invasive surgical procedure that involves making small incisions in the abdomen or pelvis and inserting a tiny camera and specialized instruments to perform surgery. It is commonly used for gallbladder removal, appendix removal, and gynecological procedures.
What is the name of the surgical procedure that uses a robotic arm controlled by a surgeon to perform minimally invasive surgery?
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Laparoscopy
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Endoscopy
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Robotic Surgery
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Open Surgery
C
Correct answer
Explanation
Robotic surgery involves the use of a robotic arm controlled by a surgeon to perform minimally invasive surgery. The robotic arm provides enhanced precision, dexterity, and control, enabling surgeons to perform complex procedures with greater accuracy and less trauma to the patient.
Which medical imaging technique uses X-rays to produce real-time images of the body's internal structures?
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X-ray
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Ultrasound
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Magnetic Resonance Imaging (MRI)
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Computed Tomography (CT) Scan
A
Correct answer
Explanation
X-ray is a medical imaging technique that uses X-rays to produce real-time images of the body's internal structures. It is commonly used to diagnose fractures, detect tumors, and evaluate the condition of bones, joints, and organs.
What is the name of the surgical procedure that involves the removal of a diseased or damaged organ or tissue?
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Biopsy
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Excision
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Debridement
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Reconstruction
B
Correct answer
Explanation
Excision is a surgical procedure that involves the removal of a diseased or damaged organ or tissue. It is commonly performed to treat tumors, cysts, and other abnormal growths, as well as to remove infected or necrotic tissue.
Which medical imaging technique uses sound waves to produce real-time images of the body's internal structures?
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X-ray
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Ultrasound
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Magnetic Resonance Imaging (MRI)
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Computed Tomography (CT) Scan
B
Correct answer
Explanation
Ultrasound is a medical imaging technique that uses sound waves to produce real-time images of the body's internal structures. It is commonly used to examine organs, tissues, and blood flow, as well as to guide procedures such as biopsies and injections.
Which medical imaging technique uses a radioactive tracer to produce images of the body's organs and tissues?
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X-ray
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Ultrasound
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Magnetic Resonance Imaging (MRI)
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Nuclear Medicine Imaging
D
Correct answer
Explanation
Nuclear medicine imaging involves the use of a radioactive tracer to produce images of the body's organs and tissues. It is commonly used to diagnose and monitor a wide range of medical conditions, including cancer, heart disease, and bone disorders.
Which of the following is a common application of acoustical remote sensing in medical imaging?
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Ultrasound imaging for visualizing internal organs and tissues.
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Magnetic resonance imaging (MRI) for studying the structure and function of organs.
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Computed tomography (CT) scanning for creating cross-sectional images of the body.
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Positron emission tomography (PET) scanning for detecting metabolic activity in the body.
A
Correct answer
Explanation
Acoustical remote sensing is used in medical imaging through ultrasound imaging, which utilizes high-frequency sound waves to create real-time images of internal organs and tissues, aiding in diagnosis and treatment.
What is the name of the IMD's research centre?
A
Correct answer
Explanation
The IMD's research centre is called the IMD-RC.
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Physical examination and medical history
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Blood tests and imaging studies
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Autopsy
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All of the above
D
Correct answer
Explanation
The diagnosis of AFE is based on a combination of factors, including the patient's medical history, physical examination findings, blood tests (such as complete blood count, coagulation studies, and arterial blood gas analysis), and imaging studies (such as chest X-ray and CT scan). In some cases, an autopsy may be necessary to confirm the diagnosis.
Which region of the electromagnetic spectrum is used for medical imaging techniques like X-rays and CT scans?
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X-rays
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Ultraviolet radiation
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Infrared radiation
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Gamma rays
A
Correct answer
Explanation
X-rays are used in medical imaging techniques like X-rays and CT scans due to their ability to penetrate through tissues and produce images of internal structures.