A 70-year-old woman is admitted to the hospital due to severe lobar pneumonia. The patient is receiving the suitable antibiotics, which were determined by susceptibility tests. She has a medical history of hypertension and diabetes mellitus type 2. Her temperature is 38 C (100.4 F) and her pulse is 95/min. Examination shows dullness to percussion and decreased breath sounds over the right lower lung. A chest tube is placed through an incision in the 5th intercostal space in the midaxillary line. Which of the following muscles is most likely to be dissected during the procedure?

Question

Quizplus · Accepted Answer

Eductional Objective: The proper site of a chest tube is into the 4th or 5th intercostal space in the anterior axillary or midaxillary line. The serratus anterior muscle, the intercostal muscles, and the parietal pleura are traversed by chest tube placement.

A 70-Year-Old Woman Is Admitted to the Hospital Due to Severe