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Gross Anatomy Term 1 > Lungs > Flashcards

Flashcards in Lungs Deck (12):
1

What is the blood supply to the diaphragm?

-Branches of the internal thoracic artery
-thoracic aorta

2

What is the nervous supply to the diaphragm?

-Motor: Phrenic nerve

-Sensory: Phrenic, intercostal, subcostal nerves

3

What thorax accessory muscles are involved in inspiration?

-Pectoralis major/minor
-Serratus anterior
-scalene
-sternocleidomastoid
-external intercostal

4

What thorax accessory muscles are involved in expiration?

-internal intercostal
-innermost intercostal
-abdominal muscles

5

What nerve roots innervate the diaphragm?

-C3-C5

6

Are inspirated items found more often in the right or left bronchus? Why?

-Right because it's straighter

7

What makes up the tracheobronchial tree?

-trachea
-main bronchi
-lobar bronchi
-segmental bronchi

8

What are the largest subdivisions of alobecalled?

-Bronchopulmonary segments

9

What is the hilum of the lung?

-the meeting place of the mediastinum and the pleura
-entry point of pulmonary arteries, veins, and bronchi

10

What is a pulmonary infarct?

-a medium sized embolus that blocks a bronchopulmonary segment resulting in necrotic lung tissue

11

What do the bronchiole arteries do?

-supply blood to the structures in the hilum and tissue of the lung

12

Describe the flow of lymph in the lungs

Bronchomediastinal trunks-->tracheobronchial nodes-->Deep plexus-->Superficial plexus