chapter 2 chest

Which intervention should a radiologic technologist perform while obtaining an anteroposterior (AP) chest x-ray using mobile radiography? A. Assisting the patient to lie in a dorsal decubitus position B. Placing the image receptor (IR) leaning toward the patient C. Asking the patient to lift arms away from the chest D. Placing the top of the image receptor (IR) 5 inches below the patient's shoulder level

C. Asking the patient to lift arms away from the chest

What is the name of the inferior lateral corners of the lungs, visible on a posteroanterior (PA) chest image? A. Hila B. Apices C. Costophrenic angles D. Cardiophrenic angles

C. Costophrenic angles

With reference to the image receptor (IR), how are the midsagittal plane and the midcoronal plane positioned for the posteroanterior (PA) projection of the chest? A. Midsagittal: parallel; midcoronal: parallel B. Midsagittal: parallel; midcoronal: perpendicular C. Midsagittal: perpendicular; midcoronal: parallel D. Midsagittal: perpendicular; midcoronal: perpendicular

C. Midsagittal: perpendicular; midcoronal: parallel

Which evaluation criterion pertains to the posteroanterior (PA) projection of the chest? A. Ribs should appear distorted. B. Clavicles should lie superior to the apices. C. Scapulae should be projected outside the lung fields. D. Ribs posterior to the vertebral column should be superimposed.

C. Scapulae should be projected outside the lung fields.

What projection is used to visualize the apices of the lungs? A. Anteroposterior (AP) chest B. Right anterior oblique (RAO) chest C. Anteroposterior (AP) axial chest D. Lateral decubitus chest

C.Anteroposterior (AP) axial chest

Where is the inferior costal margin located? A. 2nd to 3rd lumbar vertebrae B. 2nd to 3rd thoracic vertebrae C. 4th and 5th thoracic vertebrae D. 9th to 10th thoracic vertebrae

A. 2nd to 3rd lumbar vertebrae

For a posteroanterior (PA) projection of the chest, where is the central ray directed? A. Perpendicular to T7 B. Perpendicular to T10 C. Parallel to the thoracic spine D. Perpendicular to the posterior ribs

A. Perpendicular to T7

The radiologic technologist is performing chest radiography on a patient using a mobile x-ray unit. What does the radiologic technologist perform before the procedure? A. Rotate the patient's arm internally. B. Ask the patient to keep the shoulders stiff. C. Ensure that the patient's upper torso is rotated. D. Ensure that the patient's arms are raised higher than the lungs

A. Rotate the patient's arm internally.

Where is the central ray located on a chest exam for a hypersthenic patient? A. 7 inches down from the vertebra prominens B. 8 inches down from the vertebra prominens C. 9 inches down from the vertebra prominens D. 10 inches down from the vertebra prominens

B. 8 inches down from the vertebra prominens

Which part of the sternum lies at the interspace between the fourth and fifth thoracic vertebrae? A. Body B. Manubrium C. Sternal notch D. Xiphoid process

B. Manubrium

hich condition is characterized by anterior protrusion of the lower sternum and the xiphoid process? A. Flail chest B. Pigeon chest C. Funnel chest D. Osteomyelitis

B. Pigeon chest

What is the purpose of depressing the shoulders for a posteroanterior (PA) projection of the chest? A. To move the scapulae laterally B. To move the clavicles below the apices C. To place the diaphragm at the lowest point D. To place the midsagittal plane in a vertical position

B. To move the clavicles below the apices

For which projection of the chest should the sagittal plane be parallel with the image receptor (IR)? A.Posteroanterior (PA) projection B.Lateral projection C.Anteroposterior (AP) axial projection (lordotic position) D.Anteroposterior (AP) projection (left lateral decubitus position)

B.Lateral projection

What is the proper placement of the arms for a posteroanterior (PA) projection of the chest? A. Arms abducted from the thorax B. Arms adducted from the thorax C. Arms raised above the head with the hands grasping opposite elbows D. Arms at sides, hands on lower hips, palms out, shoulders rotated forward

D. Arms at sides, hands on lower hips, palms out, shoulders rotated forward

Which statement is true regarding the right hemidiaphragm? A. It encircles the pericardial fat. B. It surrounds the apex of the heart. C. It surrounds the fundus of the stomach. D. It surrounds the superior portion of the liver.

D. It surrounds the superior portion of the liver.

Which image best demonstrates epiglottitis? A. Anteroposterior (AP) cervical spine B. Anteroposterior (AP) soft tissue neck C. Lateral cervical spine D. Lateral soft tissue neck

D. Lateral soft tissue neck

Which condition is characterized by a depressed sternum? A. Flail chest B. Osteomyelitis C. Pectus carinatum D. Pectus excavatum

D. Pectus excavatum

When obtaining an image of the apices using the lordotic position, how should the height of the image receptor (IR) be adjusted? A. Bottom margin of the IR at the iliac crest B. Bottom margin of the IR at the xiphoid process C. Upper margin of the IR about 3 inches above the shoulders D. Upper margin of the IR about 1½ inches above the shoulders

D. Upper margin of the IR about 1½ inches above the shoulders

Which landmark is used to locate the upper portion of the liver and the lower border of the heart? A. Jugular notch B. Sternal angle C. Clavicular notch D. Xiphoid process

D. Xiphoid process

Which body position is best to demonstrate small amounts of fluid in the right pleural space? A.Left lateral upright B.Right lateral upright C.Left lateral recumbent D.Right lateral recumbent

D.Right lateral recumbent

What other terms are used for the jugular notch? Select all that apply. Costal Xiphoid Intercostal Manubrial Suprasternal

Manubrial Suprasternal

Why is careful collimation important in chest radiography? Select all that apply. Reduces patient dose Improves image quality Reduces the need for repeats Reduces the chance of artifacts Allows for reduction in technical factors

Reduces patient dose Improves image quality

When performing a pediatric chest x-ray what factors must be considered? Select all that apply. Short exposure time Careful immobilization Continuously watch the patient Clear explanation of the procedure Provide a reward for good behavior Ask the parent/guardian to step out of the room

Short exposure time Careful immobilization Continuously watch the patient Clear explanation of the procedure