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Question 1
Why are the paranasal sinuses imaged in the erect position?
Correct Answer:
To demonstrate air-fluid levels
Explanation:
Air-fluid levels are best demonstrated with the patient upright because gravity makes any fluid in the sinuses settle and form a distinct interface with air. This horizontal fluid level is a key sign of sinusitis on radiographs. When lying down, the fluid spreads and the level isn’t as visible, making it harder to detect. So imaging the paranasal sinuses erect directly enhances the ability to see these levels, which is why that position is chosen.
Question 2
An AP lordotic chest projection is correct if which is visualized?
Correct Answer:
The clavicles superior to the apices
Explanation:
The main idea is to visualize the lung apices without clavicular overlap. In an AP lordotic chest projection, the patient is positioned so the chest is tilted back, which makes the clavicles ride up and lie above the apices. Seeing the clavicles superior to the apices means the apical lungs are not obscured and the view is demonstrated correctly. Features like magnified ribs or heart aren’t the defining indication of a proper lordotic projection, and diaphragms overlapped by lung markings would suggest suboptimal positioning. This view specifically helps assess apical regions for pathology such as TB or apical pneumothorax.
Question 3
Excessive noise suppression of a digital image can result in which of the following problems?
Correct Answer:
Loss of spatial resolution
Explanation:
Excessive noise suppression reduces spatial resolution because fine details and edges live in the high-frequency content of an image. When you denoise aggressively, you attenuate or remove a lot of those high-frequency components, not just the random noise. The true signal—the small features and sharp transitions between areas—gets blurred along with the noise, so nearby structures can no longer be distinguished clearly. This is why overwhelming noise suppression degrades sharpness and detail. Increased contrast or dynamic range aren’t achieved by denoising and, in fact, over-smoothing tends to soften edges rather than improve these attributes.
Question 4
Which part of the x-ray tube becomes negatively charged during exposure?
Correct Answer:
Cathode
Explanation:
During exposure, the negative voltage sits on the cathode. The cathode is heated and emits electrons (thermionic emission), producing the electron beam that is then attracted to the positively charged anode. The focusing cup, part of the cathode assembly, is also kept at a negative potential to help shape the beam, but the source of the electrons and the main negative charge is the cathode itself. The anode is positively charged to pull the electrons across, and the rotor is a mechanical part that doesn’t become the negative electrode.
Question 5
Short scale radiography yields which level of contrast?
Correct Answer:
High contrast
Explanation:
Short scale radiography yields high contrast. Contrast is the difference in density seen on the image between adjacent tissues. When the scale is short, there are only a few gray tones, so differences between structures are stark. This happens with lower kVp and high subject contrast, where dense tissues like bone attenuate the beam far more than soft tissue, making bone appear very white against a darker background and soft tissues appear in limited gray shades. If you raise kVp, the image has more gray levels and lower contrast—longer scale.
Question 1
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About this Exam

Prepare with the Radiographic Seminar Exam 2 Practice practice quiz. This question bank includes 10 questions covering position, chest, projection, radiographic, and seminar. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Radiographic Seminar Exam 2 Practice

This practice set contains 10 questions from the matching question bank and focuses on position, chest, projection, radiographic, and seminar. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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