BSC thoracic wall and organs

Question 1

heart murmur auscultated at the left border of the sternum in the second intercostal space?

Answer 1

pulmonary valve

Question 2

where does a chest tube go when in the 5th intercostal space at the MAL? what landmark?

Answer 2

superior border of rib 6

5th intercostal space is above the 6th rib

Question 3

which lymph nodes will the physician biopsy to determine if the cancer has spread from the parietal pleura? the guy is a plumber… maybe exposed to asbestos

Answer 3

lymphatic drainage of the parietal pleura is to the thoracic wall (mainly intercostal, but also parasternal, diaphragmatic, axillary lymph nodes).

NOT bronchopulmonary nodes (those are at the hilum)

NOT pulmonary lymph nodes (in the substance of the lung)

NOT tracheobraonchial (right on the trachea, above carina superior and below the carina)

Question 4

chest pain, radiating pain to upper thorax and medial surface of his left upper limb.

symptoms abated after about 30 minutes of rest

which is responsible for the patients symptoms

Answer 4

coronary artery

Question 5

nipple level in males what dermatome

Answer 5

T4

Question 6

where are preganglionic sympathetic cell bodies located ?

Answer 6

at spinal levels T-T4/T5

Question 7

what do the recurrent larygeals come off?

Answer 7

vagus

Question 8

which structure is injured if the surgeon accidently damages a structure found posterior to the esophagus

Answer 8

thoracic duct