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1. When assessing a patient during the Adult-Gerontology
Acute Care Nurse Practitioner (AG-ACNP) practicum, the
presence of a widened mediastinum on chest X-ray is
suggestive of which condition?
a) Acute myocardial infarction
b) Pulmonary embolism
c) Aortic dissection
d) Pleural effusion
Correct answer: c) Aortic dissection
Rationale: A widened mediastinum on chest X-ray is often
seen in patients with aortic dissection, which is a lifethreatening condition. It is important for the AG-ACNP to
recognize this finding and initiate appropriate interventions
promptly.
2. During the AG-ACNP practicum, a patient presents with
sudden onset of severe chest pain, dyspnea, and tachypnea.
The nurse practitioner suspects a pulmonary embolism.
Which diagnostic test is considered the gold standard for
confirming this diagnosis?
a) Chest X-ray
b) Magnetic resonance imaging (MRI)
c) Spiral computed tomography (CT) scan
d) Pulmonary angiography
Correct answer: d) Pulmonary angiography
Rationale: Pulmonary angiography is considered the gold
standard diagnostic test for confirming a pulmonary
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