Term
| T/F: Thoracic radiographs often require general anesthesia. |
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Definition
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Term
| T/F: There are similar imaging features for different diseases. |
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Definition
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Term
| T/F: Thoracic studies to assess swallowing dysfunction do not require contrast medium. |
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Definition
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Term
| T/F: Thoracic studies are often performed to create a database for an older patient. |
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Definition
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Term
| T/F: Radiographs are the most accurate diagnostic method for assessing cardiac disease. |
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Definition
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Term
| _____ kVp settings give better contrast. |
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Definition
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Term
| When obtaining thoracic radiographs, one should use a cassette/film size that permits evaluation of _____ & _____. |
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Definition
| Thoracic inlet; Diaphragm |
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Term
| Underexposed films will appear more _____, while overexposed films will appear more _____. |
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Definition
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Term
| Lungs are more ____ w/ less air, and more _____ w/ more air. |
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Definition
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Term
| Does inspiration or expiration provide better contrast between vascular & bronchial walls? |
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Definition
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Term
| T/F: In expiratory films, bronchial lumen can be identified. |
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Definition
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Term
| T/F: On a lateral radiograph, expiration can be detected by decreased contact between RV margin & sternum. |
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Definition
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Term
| On a lateral radiograph during expiration, the lumbodiaphragmatic recess is around _____ & ____ (open/closed). |
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Definition
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Term
| On a lateral radiograph during inspiration, the lumbodiaphragmatic recess is around _____ & ____ (open/closed). |
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Definition
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Term
| T/F: On lateral expiratory radiographs, the distance from the lumbodiaphragmatic recess to CdVC is diminished. |
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Definition
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Term
| T/F: On lateral inspiratory radiographs, the distance from the spine to carina is diminished. |
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Definition
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Term
| Is the postcardiac triangle between Cd heart border, V diaphragm (cupula) & CdVC smaller on inspiratory or expiratory films? |
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Definition
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Term
| T/F: Ventricular border & diaphragm intersect on an inspiratory film. |
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Definition
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Term
| On a lateral inspiratory film, CdVC angles _____; _____ on expiratory. |
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Definition
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Term
| T/F: On a lateral inspiratory film, the diaphragm is flattened |
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Definition
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Term
| Is increased retrosternal radiolucency seen on inspiration or expiration? |
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Definition
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Term
| Where is the diaphragmatic cupula located on an inspiratory DV? Expiratory? |
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Definition
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Term
| T/F: On expiratory DV, the Cd thorax is narrowed and shortened. |
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Definition
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Term
| In a DV view, are costodiaphragmatic/costophrenic angles narrowed on inspiration or expiration? |
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Definition
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Term
| T/F: On inspiratory DV, there is an increase in relative & absolute cardiac size. |
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Definition
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Term
| Where is the cardiac apex seen in an inspiratory DV? Expiratory? |
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Definition
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Term
| T/F: On inspiratory DV, there is no contact between the heart and the diaphragm. |
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Definition
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Term
| Name the divisions within the thorax. |
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Definition
| Thoracic wall, diaphragm, spine, sternum, pleural space, mediastinal space, lung (central, middle, peripheral) |
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Term
| For a lateral view, the elbows should be positioned _____. |
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Definition
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Term
| T/F: Sternal elevation avoids patient rotation. |
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Definition
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Term
| T/F: Abdominal rotation is acceptable during thoracic radiography, as the abdomen is not being radiographed. |
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Definition
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Term
| In a Rt Lateral, the crura are _____, whereas in a Lt Lateral, the crura are _____. |
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Definition
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Term
| T/F: In a Lt Lateral, the CdVC merges w/ the most Cr crus. |
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Definition
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Term
| T/F: In a Lt lateral, gastric air is seen ventrally w/i the pylorus. |
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Definition
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Term
| For a DV view, positioning the elbows medial positions the scapulae _____. |
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Definition
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Term
| For a DV view, positioning the elbows lateral positions the scapulae _____. |
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Definition
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Term
| T/F: For a DV view, both limbs should be positioned in a similar manner. |
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Definition
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Term
| With good positioning, spinous processes appear as _____. If oblique, spinous processes appear as _____. |
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Definition
| Oval shadow; Short oblique radiodense line |
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Term
| The heart axis is more horizontal in the ______. (Dog/Cat) |
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Definition
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Term
| T/F: In the cat, the heart position is more Cd. |
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Definition
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Term
| Where is the dorsal diaphragmatic crus in the normal cat? |
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Definition
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Term
| Compared to dogs, cats have _____ ribs. |
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Definition
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Term
| Compared to dogs, cats have _____ vertebral bodies. |
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Definition
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Term
| T/F: Age affects radiographic appearance of the thorax. |
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Definition
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Term
| T/F: Abdominal contents affect radiographic appearance of the thorax. |
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Definition
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Term
| Name 2 breeds of dog w/ a deep, narrow thoracic conformation. |
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Definition
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Term
| T/F: Cats have an intermediate thoracic conformation. |
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Definition
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Term
| Name 3 breeds of dog w/ an intermediate thoracic conformation. |
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Definition
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Term
| Name 3 breeds of dog w/ wide, shallow thoracic conformation. |
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Definition
| Boston Terrier, English Bulldog, Bull Mastiff |
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Term
| _____ is the cardiodiaphragmatic reflection of the Cd mediastinum. |
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Definition
| CdV Mediastinal Reflection |
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Term
| Is there more chance of oblique positioning in the DV or VD view? |
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Definition
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Term
| T/F: Better Cd lung inflation is attained in a VD compared to a DV view. |
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Definition
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Term
| A smaller, more rounded heart shadow is seen in the ____ (DV/VD) view. |
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Definition
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Term
| What should the primary beam be centered over? |
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Definition
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Term
| T/F: In a lateral projection, the dependent hemidiaphragm is positioned more Cr. |
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Definition
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Term
| On what view does the diaphragm have a "Mickey Mouse" appearance? |
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Definition
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Term
| High kVp settings _____ radiographic contrast. |
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Definition
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Term
| What is the best method of reading films? |
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Definition
| "Radiological sign" method |
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Term
| What is the old term for radiologic signs? |
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Definition
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Term
| List the stages of film reading. |
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Definition
| Detection, Recognition, Interpretation |
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Term
| T/F: How well a structure can be seen depends (in part) on noise. |
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Definition
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Term
| What is a radiological sign? |
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Definition
| An abnormal size, shape, opacity, margination, or position/location of a shadow representing a structure |
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Term
| For systematic scanning, one should use the _____ method. |
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Definition
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Term
| What causes errors of recognition? |
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Definition
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Term
| T/F: The more specific the Dx, the more likely it is to be wrong. |
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Definition
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Term
| T/F: Increased bronchial thickness is pathologic in older animals. |
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Definition
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Term
| T/F: Obesity causes overexposure. |
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Definition
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Term
| Is the accessory lobe more aerated on a VD or DV view? |
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Definition
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Term
| T/F: A DV view allows better visualization of the Cd lobar pulmonary vessels & bronchi compared to a VD |
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Definition
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Term
| If a lung mass can be seen in the Lt Lateral, but not in the Rt Lateral view, which lung is it in? |
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Definition
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