Podcast
Questions and Answers
Which type of tissue shows up as gray on a conventional x-ray image?
Which type of tissue shows up as gray on a conventional x-ray image?
- Soft tissue (correct)
- Dense tissue
- Hollow tissue
- Moving tissue
For which purposes might a chest x-ray be used?
Select all that apply
For which purposes might a chest x-ray be used? Select all that apply
- Diagnosing pneumonia (correct)
- Assessing for tuberculosis (correct)
- Confirming location of a pacemaker (correct)
- Checking placement of a chest tube (correct)
Which anatomic structures can be imaged by ultrasound?
Select all that apply.
Which anatomic structures can be imaged by ultrasound? Select all that apply.
- Ovary (correct)
- Spleen (correct)
- Kidneys (correct)
- Lymph nodes (correct)
Which phenomenon does “echo” refer to when used in relationship to ultrasound imaging?
Which phenomenon does “echo” refer to when used in relationship to ultrasound imaging?
Which purpose is served by using a contrast medium during radiographic examinations?
Which purpose is served by using a contrast medium during radiographic examinations?
In which way does a computed tomography (CT) scan differ from a conventional x-ray?
In which way does a computed tomography (CT) scan differ from a conventional x-ray?
Which statements describe disadvantages of magnetic resonance imaging (MRI)?
Select all that apply.
Which statements describe disadvantages of magnetic resonance imaging (MRI)? Select all that apply.
Which descriptive phrase applies to the images produced by a positron emission tomography (PET) scanner?
Which descriptive phrase applies to the images produced by a positron emission tomography (PET) scanner?
Which major risk is associated with endoscopy?
Which major risk is associated with endoscopy?
Which characteristics are descriptive of a fiberoptic scope?
Select all that apply.
Which characteristics are descriptive of a fiberoptic scope? Select all that apply.
Which statement describes a major advantage of endoscopy over other imaging techniques?
Which statement describes a major advantage of endoscopy over other imaging techniques?
Which statement explains why ribs show up as white on a chest x-ray?
Which statement explains why ribs show up as white on a chest x-ray?
For which adverse events must a patient be monitored when a contrast medium is used?
For which adverse events must a patient be monitored when a contrast medium is used?
For which reason is it difficult to diagnose soft tissue disease based on an x-ray?
For which reason is it difficult to diagnose soft tissue disease based on an x-ray?
In terms of diagnosis, which aspect differentiates a conventional x-ray and a computed tomography (CT) scan?
In terms of diagnosis, which aspect differentiates a conventional x-ray and a computed tomography (CT) scan?
For which patient would magnetic resonance imaging (MRI) be contraindicated?
For which patient would magnetic resonance imaging (MRI) be contraindicated?
Which statement applies to positron emission tomography (PET) scanning?
Which statement applies to positron emission tomography (PET) scanning?
How does positron emission tomography (PET) scanning detect disease earlier than other imaging modalities?
How does positron emission tomography (PET) scanning detect disease earlier than other imaging modalities?
In which way is endoscopy a unique imaging technique?
In which way is endoscopy a unique imaging technique?
Which areas of the body are examined when a cystoscopy is performed?
Which areas of the body are examined when a cystoscopy is performed?
Which type of endoscopy would be performed on a patient with a persistent cough?
Which type of endoscopy would be performed on a patient with a persistent cough?
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Study Notes
X-Ray Tissue Appearance
- Bone appears white on a conventional x-ray.
Chest X-ray Use
- Pneumonia, lung cancer, heart failure, and fractured ribs are some reasons for a chest x-ray.
Ultrasound Imaging
- Muscles, tendons, organs, blood vessels, fetal development, and heart conditions can be visualized using ultrasound
Ultrasound "Echo"
- Echo in ultrasound refers to the reflection of sound waves from tissues.
Radiography Contrast Medium
- Contrast agents are used in radiographic examinations to improve the visibility of specific structures.
CT vs. Conventional X-ray
- CT scans produce 3D images, while conventional x-rays create 2D images.
Magnetic Resonance Imaging (MRI) Disadvantages
- Claustrophobia can be an issue during MRI scans.
- Patients with metal implants may not be able to undergo an MRI.
- Expensive compared to other imaging techniques.
Positron Emission Tomography (PET) Images
- PET produces images based on the distribution of a radioactive tracer.
Endoscopy Risks
- Bleeding is a major risk associated with endoscopy.
Fiberoptic Scope Characteristics
- Thin and flexible
- Contain a light source
- Allow for direct visualization
- Transmit images to a monitor
Endoscopy Advantage
- Endoscopy allows for direct visualization of internal organs and can be used for biopsy.
X-ray Rib Visibility
- Ribs appear white on a chest x-ray because they are dense.
Contrast Medium Monitoring
- Kidney function, allergic reactions, and contrast extravasation are adverse events that require monitoring when using contrast medium.
Soft Tissue X-ray Diagnosis
- Soft tissues, such as muscles and ligaments, are difficult to diagnose on an x-ray because they are radiolucent (appear darker than bone).
X-Ray vs. CT Scan Diagnosis
- CT scans provide more detailed information than conventional x-rays and can detect subtle abnormalities.
MRI Contraindication
- Patients with pacemakers should not get an MRI.
Positron Emission Tomography (PET) Statement
- PET can detect metabolic activity, such as cancer cells, making it useful for early disease detection.
PET Disease Detection
- PET scans can detect disease earlier because they visualize metabolic activity rather than just anatomical structures.
Endoscopy Uniqueness
- Endoscopy allows direct visualization of internal organs, making it unique compared to other imaging techniques.
Cystoscopy Examined Anatomy
- Cystoscopy examines the bladder and urethra.
Persistent Cough Endoscopy
- Bronchoscopy would be performed on a patient with a persistent cough.
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