Veterinary Radiography Ch 17

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  • 1/10 Questions

    When  should  a  dorsoventral  view  of the  thorax  be taken?

    • One at the peak of expiration and one at the peak of inspiration
    • One at the peak of inspiration
    • One at the peak of expiration
    • One at the peak of inspiration and one any time during expiration
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About This Quiz

This quiz, titled 'Veterinary Radiography Ch 17', assesses knowledge of radiographic techniques in veterinary medicine, focusing on thorax and pharynx imaging. It covers key aspects such as view requirements, optimal imaging times, and advantages of specific views, essential for veterinary professionals.

Veterinary Radiography Ch 17 - Quiz

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  • 2. 

    When is a lateral view of  the thorax with a horizontal beam indicated?

    • When fluid or free air is suspected in the abdomen

    • When the patient cannot be properly positioned for a laterally recumbent view on the table

    • When fluid or free air is suspected in the thorax

    • When spinal cord injury is suspected

    Correct Answer
    A. When fluid or free air is suspected in the thorax
    Explanation
    A lateral view of the thorax with a horizontal beam is indicated when there is suspicion of fluid or free air in the thorax. This view allows for better visualization and assessment of the thoracic cavity, specifically the lungs and pleural spaces. It can help identify any abnormalities such as pneumothorax or pleural effusion. By using a horizontal beam, the radiologist can obtain a clear image of the thoracic structures and accurately diagnose any potential issues.

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  • 3. 

    Which of  the following  is  true?

    • During expiration the diaphragm is more cranial than during inspiration.

    • During inspiration the diaphragm is more cranial than during expiration.

    • During expiration the diaphragm is more caudal than during inspiration.

    • Any view of the abdomen should be taken during inspiration

    Correct Answer
    A. During expiration the diaphragm is more cranial than during inspiration.
    Explanation
    During expiration, the diaphragm moves upwards towards the cranial (upper) part of the body, reducing the volume of the thoracic cavity and causing air to be expelled from the lungs. During inspiration, the diaphragm moves downwards towards the caudal (lower) part of the body, increasing the volume of the thoracic cavity and allowing air to enter the lungs. Therefore, it is true that during expiration, the diaphragm is more cranial than during inspiration.

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  • 4. 

    What is  one advantage of  taking a ventrodorsal view of  the  thorax as  opposed  to  a dorsoventral view?

    • The VD view allows better visualization of the caudal mediastinum and accessory lung lobe.

    • The VD view allows better visualization of the heart.

    • The VD view is more comfortable for the patient in respiratory distress.

    • All of the above

    Correct Answer
    A. The VD view allows better visualization of the caudal mediastinum and accessory lung lobe.
    Explanation
    The ventrodorsal (VD) view allows for better visualization of the caudal mediastinum and accessory lung lobe. This means that by taking a VD view, one can see the area at the back of the chest cavity and the additional lung lobe more clearly. This is an advantage compared to a dorsoventral view, which may not provide as clear of a view of these specific areas.

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  • 5. 

    When  should  an  enema  be  given  for  a  view  of the abdomen?

    • At least 1 hour before radiography

    • At least 12 hours before radiography

    • At least 10 minutes before radiography

    • 24 hours before radiography

    Correct Answer
    A. At least 1 hour before radiography
    Explanation
    An enema should be given at least 1 hour before radiography because it takes time for the enema solution to reach the colon and adequately cleanse the area. Giving the enema too close to the radiography procedure may not allow enough time for the solution to work effectively, resulting in a suboptimal view of the abdomen. Therefore, it is recommended to administer the enema at least 1 hour before the radiography to ensure a clear and accurate image of the abdomen.

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  • 6. 

    What is  the preferred exposure  time for views of  the thorax?

    • 1/2 second

    • 1/30 second

    • 1/20 second

    • 1/10 second

    Correct Answer
    A. 1/30 second
    Explanation
    The preferred exposure time for views of the thorax is 1/30 second. This duration allows for capturing clear and detailed images of the thorax without significant motion blur. A shorter exposure time may result in underexposed images, while a longer exposure time may lead to overexposure or motion blur, making it difficult to accurately analyze the thorax.

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  • 7. 

    What may help  to achieve a long scale of  contrast for an  abdominal view?

    • Low kVp and high mAs

    • High k V P and high mAs

    • High k V P and low mAs

    • Contrast media

    Correct Answer
    A. High k V P and low mAs
    Explanation
    To achieve a long scale of contrast for an abdominal view, high kVp and low mAs are preferred. High kVp helps to increase the penetration of the X-rays through the body, resulting in a higher contrast between the structures. Low mAs, on the other hand, reduces the amount of radiation exposure to the patient while still maintaining image quality. The combination of high kVp and low mAs helps to produce a clear and detailed image with a long scale of contrast. Contrast media may be used in certain cases to enhance the visualization of specific structures, but it is not the primary factor for achieving a long scale of contrast.

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  • 8. 

    Where is  the measurement taken for a lateral view of the  thorax?

    • Cranial border of the scapula

    • Caudal border of the seventh rib

    • Cranial border of the eighth rib

    • Caudal border of the scapula

    Correct Answer
    A. Caudal border of the scapula
    Explanation
    The measurement for a lateral view of the thorax is taken at the caudal border of the scapula.

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  • 9. 

    Why is  a right lateral view of  the abdomen preferred over a left lateral view?

    • To allow visualization of the descending colon

    • To allow better separation of the kidneys

    • So that the fundus of the stomach is closer to the cassette

    • So that the pylorus is as far away from the cassette as possible

    Correct Answer
    A. To allow better separation of the kidneys
    Explanation
    A right lateral view of the abdomen is preferred over a left lateral view because it allows for better separation of the kidneys. This is important for diagnostic purposes as it provides a clearer view of each kidney individually, making it easier to identify any abnormalities or pathologies.

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  • 10. 

    What must the field of  view include for the pharynx?

    • Third premolar, third cervical vertebra

    • Base of skull, third cervical vertebra

    • Zygomatic arch, third cervical vertebra

    • Lateral canthus of eye, third cervical vertebra

    Correct Answer
    A. Lateral canthus of eye, third cervical vertebra
    Explanation
    The field of view for the pharynx must include the lateral canthus of the eye and the third cervical vertebra. The lateral canthus of the eye refers to the outer corner of the eye where the upper and lower eyelids meet. This is important because it helps determine the position and alignment of the pharynx. The third cervical vertebra is also included in the field of view because it is located in the neck region and is closely related to the pharynx.

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Quiz Review Timeline (Updated): Dec 12, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Dec 12, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 15, 2012
    Quiz Created by
    Wmm502
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