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Gross II Exam II > Diaphragm > Flashcards

Flashcards in Diaphragm Deck (21):
1

What two cavities does the diaphragm separate?

Thorax and Abdomen

2

Which dome of the diaphragm is higher than the other?

Right

3

What are the two parts of the diaphragm?

Muscular part and the central tendon

4

What are the origins for the muscular part of the diaphragm?

1) Xiphoid Process
2) Lower 6 Costal Cartilages
3) L1-3 and themedial and lateral arcuate ligaments

5

What is the insertion point of the diaphragm?

The Central Tendon

6

At what vertebral level is the caval opening?

T8

7

What travels through the caval opening?

1) Inferior Vena Cava
2) Right Phrenic Nerve

8

Which structure is firmly adhered to the caval opening?

Inferior Vena Cava

9

What vertebral level is the esophageal hiatus found?

T10

10

T/F: The esophagus is firmly adhered to the diaphragm at eh esophageal opening.

False. It is not adhered at all so it can slide around

11

What travels through the esophageal hiatus?

1) Esophagus,
2) anterior and posterior vagal trunks

12

At what level does the aortic hiatus lie?

T12

13

What is transited through the aortic hiatus?

1) Aorta
2) Thoracic Duct
3) Azygos Vein

14

What is the blood supply to the diaphragm as eh whole?

1) Musculophrenic Artery
2) Paericardiacophrenic Artery
3) Superior Phrenic Artery
4) Inferiro Phrenic Artery

15

Which artery supplies the central tendon of the diaphragm?

Pericadiacophrenic artery

16

What is the innervation of the diaphragm?

1) Phrenic Nerve
2) Intercostal Neves

17

An injury to what spinal levels would cause paralysis to the diaphragm?

C3, C4, C5 (origin of the Phrenic Nerve)

18

What is the clinical condition where teh stomach begins to pass through the esophageal hiatus?

Hiatal Hernia

19

What age does the hiatal hernia usually present?

After age 50

20

Whet is a spasmodic contraction of the diaphragm?

Hiccups

21

In general, what is the cause of hiccups?

Irritation of the phrenic nerve