Lungs

Question 1

Describe the anatomy of the R & L lungs

Answer 1

R - 3 lobes - has horizontal & oblique fissure - separated into segments, totaling 10. L lung - 2 lobes, separated by 1 oblique fissure - separated into segments, totaling 8

Question 2

Which accessory muscle of inspiration raises the upper two ribs? What about the rest of the ribs? What other muscles can become muscles of inspiration?

Answer 2

upper 2 - SCM & scalenes other ribs - levatores costarum & serratus other muscles - traps, pecs, serratus

Question 3

List the accessory expiratory muscles

Answer 3

quadratus lumborum, portions of the intercostals, muscles of the abdomen, & triangularis sterni

Question 4

Name all the lobes of the lungs

Answer 4

Think about different positions