Anatomy Respiratory Cramming Flashcards

1
Q

What are the 3 attachments of the diaphragm?

A
  • Lumber vertebrae and acute ligaments
  • Costal cartilages of ribs 7-12
  • Xiphoid process of the sternum
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2
Q

What is the one central attachment of the diaphragm?

A

Central tendon

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3
Q

What are crura?

A

The parts of the diaphragm that arise from the vertebrae and are tendinous in structure

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4
Q

Describe the right crus

A
  • Arises from L1-3

- Some fibres from the right crus surround the oespohageal opening and help prevent reflux of gastric contents

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5
Q

Describe the left crus

A
  • Arises from L1-2 L2 and their intervertebral disks
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6
Q

How many hiatuses does the diaphragm have?

A

3 - dumbass

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7
Q

What are the names of the hiatuses of the diaphragm?

A
  • Caval opening
  • Oesophageal hiatus
  • Aortic hiatus
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8
Q

What vertebral levels correspond to which hiatus within the diaphragm?

A

Caval opening - T8
Oesophageal hiatus - T10
Aortic hiatus - T12

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9
Q

Where is the caval opening located?

A

Within the central tendon of the diaphragm

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10
Q

Where is the oesophageal hiatus located?

A

Through the muscular sling of the right crus

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11
Q

Where is the aortic hiatus located?

A

Between the left and right crus

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12
Q

What is the function of the caval opening

A

Transmits the inferior vena cava and the right phranic nerve

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13
Q

What is the function of the oesophageal opening?

A

Transmits the oesophagus and both vagus nerves

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14
Q

What is the function of the aortic hiatus

A

Transmits:

  • Aorta
  • Azygous vein
  • Thoracic duct
  • Hemiazygos vein
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15
Q

Where is the origin of the phrenic nerve?

A

C3-5

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16
Q

What are the motor functions of the phrenic nerve?

A

Pierces and innervates the diaphragm and it’s inferior surface

17
Q

The diaphragm is innervated by the phrenic nerve and what?

A

Pierpheral portions of the diaphragm are also innervated by sensory fibres of intercostal nerve (T5-12)

18
Q

Describe the lymphatic drainage of the left side of the chest

A

Drains into the thoracic duct -> Left subclavian vein

19
Q

Describe the lymphatic drainage of the right side of the chest

A

Drains into the right lymphatic duct -> Subclavian vein

20
Q

What are the 3 bronchial arteries?

A

Ascending Aorta
Descending Aorta
Posterior intercostal arteries

21
Q

What are the bronchial veins?

A

Azygous and hemi-azygous system

22
Q

What are the names of the 2 pleural recesses?

A
  • Costodiaphragmatic

- Costomediastinal

23
Q

What is the rib level of the lung at the mid-axillary line?

A

T8

24
Q

What is the rib level of the lung at the mid-clavicular line

A

T6

25
Q

What is the rib level of the lung as the mid-scapular line

A

T10

26
Q

What is the rib level of the parietal pleura at the mid-clavicular line?

A

T8

27
Q

What is the rib level of the parietal pleura at the midscaupular line

A

T12

28
Q

What is the rib level of the parietal pleura at the mid-axillary line

A

T10

29
Q

Oblique fissure follows the course of what rib?

A

6

30
Q

Horizontal fissure follows the course of what rib?

A

8

31
Q

Name the fissueres of the lung and where they are located

A

Oblique (both)

Horizontal (right)

32
Q

Name the lobes of the lung and where they are located

A

Superior + inferior (both)

Middle (right lung only)

33
Q

What are the 4 main lung root structures entering the lungs at the hilum?

A

Pulmonary artery
Pulmonary veins
Lobar bronchi
Bronchial arteries

34
Q

Describe the typical position of the pulmonary artery entering the lungs at the hilum

A
  • Left lung = most superior

- Right lung = top left + middle

35
Q

Describe the typical position of the pulmonary veins entering the lungs at the hilum

A
  • Most inferior + most anterior
36
Q

Describe the typical position of the lobar bronchi entering the lungs at the hilum

A

Left: in the middle and posterior middle
Right: middle + anterior
- Most superior