Biology · 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
Which imaging technique utilizes gamma rays emitted by radioisotopes to produce images of internal organs?
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X-ray
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Ultrasound
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Magnetic resonance imaging (MRI)
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Single-photon emission computed tomography (SPECT)
D
Correct answer
Explanation
SPECT is a nuclear medicine imaging technique that uses gamma rays emitted by radioisotopes to create three-dimensional images of internal organs and tissues.
What is the primary mode of action of radiation therapy in treating cancer?
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Stimulating the immune system
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Promoting cell growth
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Damaging cancer cells
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Reducing inflammation
C
Correct answer
Explanation
Radiation therapy primarily works by damaging the DNA of cancer cells, leading to their death or inhibition of their growth.
Which of the following is a treatment option for prostate cancer?
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Surgery
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Radiation therapy
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Chemotherapy
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All of the above
D
Correct answer
Explanation
Surgery, radiation therapy, and chemotherapy are all treatment options for prostate cancer.
What is the surgical procedure commonly used to treat stress incontinence?
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Urethral Sling
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Bladder Neck Suspension
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Artificial Urinary Sphincter
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Prostatectomy
A
Correct answer
Explanation
Urethral sling is a surgical procedure that involves placing a synthetic mesh under the urethra to support it and prevent urine leakage.
What is the primary application of holography?
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Medical imaging
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Data storage
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Optical communication
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Holographic displays
D
Correct answer
Explanation
Holography is primarily used for creating three-dimensional images, known as holograms, which can be viewed from different perspectives, providing a realistic representation of the original object.
What is the most common type of telemedicine for surgery?
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Remote consultation
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Remote monitoring
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Remote surgery
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Virtual reality surgery
A
Correct answer
Explanation
Remote consultation is the most common type of telemedicine for surgery, as it allows surgeons to consult with patients remotely using video conferencing or other telecommunications technology.
What was the first medical imaging technology to be developed?
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X-ray
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Magnetic resonance imaging (MRI)
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Computed tomography (CT)
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Ultrasound
A
Correct answer
Explanation
X-ray was the first medical imaging technology to be developed, in 1895 by Wilhelm Conrad Röntgen.
Which medical technology has enabled doctors to perform minimally invasive surgeries?
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Laparoscopy
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Endoscopy
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Robotic surgery
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All of the above
D
Correct answer
Explanation
Laparoscopy, endoscopy, and robotic surgery are all medical technologies that have enabled doctors to perform minimally invasive surgeries.
What is the name of the medical technology that uses high-energy beams of radiation to treat cancer?
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Radiation therapy
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Chemotherapy
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Surgery
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Immunotherapy
A
Correct answer
Explanation
Radiation therapy is the name of the medical technology that uses high-energy beams of radiation to treat cancer.
What is the name of the medical technology that allows doctors to see inside the body without making an incision?
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Endoscopy
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Laparoscopy
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Ultrasound
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Magnetic resonance imaging (MRI)
A
Correct answer
Explanation
Endoscopy is the name of the medical technology that allows doctors to see inside the body without making an incision.
What is the name of the medical technology that uses sound waves to create images of the inside of the body?
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Ultrasound
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Magnetic resonance imaging (MRI)
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Computed tomography (CT)
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X-ray
A
Correct answer
Explanation
Ultrasound is the name of the medical technology that uses sound waves to create images of the inside of the body.
Which medical technology has helped to improve the accuracy of cancer diagnoses?
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Biopsy
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Imaging techniques
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Blood tests
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All of the above
D
Correct answer
Explanation
Biopsy, imaging techniques, and blood tests are all medical technologies that have helped to improve the accuracy of cancer diagnoses.
What is the name of the medical technology that uses magnetic fields and radio waves to create detailed images of the inside of the body?
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Magnetic resonance imaging (MRI)
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Computed tomography (CT)
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Ultrasound
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X-ray
A
Correct answer
Explanation
Magnetic resonance imaging (MRI) is the name of the medical technology that uses magnetic fields and radio waves to create detailed images of the inside of the body.
What is the name of the medical technology that uses a beam of high-energy particles to treat cancer?
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Radiation therapy
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Chemotherapy
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Surgery
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Immunotherapy
A
Correct answer
Explanation
Radiation therapy is the name of the medical technology that uses a beam of high-energy particles to treat cancer.
What is the name of the medical technology that uses a thin, flexible tube with a camera on the end to examine the inside of the body?
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Endoscopy
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Laparoscopy
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Ultrasound
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Magnetic resonance imaging (MRI)
A
Correct answer
Explanation
Endoscopy is the name of the medical technology that uses a thin, flexible tube with a camera on the end to examine the inside of the body.