In the standard posteroanterior chest film, the heart shadow should be less than what proportion of the
chest width? - CORRECT ANSWER✅✅50%
The respiratory therapist is called to evaluate a patient with a suspected pulmonary embolus. The
respiratory therapist would most likely recommend which of the following diagnostic procedures to help
determine if the patient has a pulmonary embolus? - CORRECT ANSWER✅✅CTPA
Which of the following statements are true regarding the use of the chest x-ray to detect a
pneumothorax?
1. An expiratory film may be best for a small pneumothorax.
2. The standard chest film is of limited use in detecting a pneumothorax.
3. The film will show a lack of vascular markings in the affected region.
4. The lung margin is often visible with a pneumothorax. - CORRECT ANSWER✅✅1, 3, and 4 only
The heart shadow on a chest radiograph will show up larger than normal on a(n): - CORRECT
ANSWER✅✅AP film
Which of the following statements are true regarding the recognition and treatment of a tension
pneumothorax as seen on the chest radiograph?
a. The hemidiaphragm on the affected side will be pushed downward.
b. The mediastinum will be pushed toward the unaffected side.
c. It requires immediate insertion of a chest tube.
d. The patient should be intubated. - CORRECT ANSWER✅✅1, 2, and 3 only
Which of the following diseases are typically evaluated using high-resolution CT?
1. Emphysema
2. Asthma
3. Bronchiectasis