Final answer:
The patient is likely experiencing a tension pneumothorax, which is characterized by absent breath sounds in the right chest, low blood pressure, and distended neck veins.
Step-by-step explanation:
The patient in question presents with absent breath sounds in the right chest, along with a blood pressure of 80/60 and distended neck veins. These signs suggest a condition known as a tension pneumothorax. A tension pneumothorax occurs when air accumulates in the pleural space, leading to lung collapse and compression of the heart and blood vessels.