Anatomy Flashcards

1
Q

What surrounds the lungs?

A

The pleural cavities

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2
Q

What is the pleura?

A

The single layer of flat cells, mesothelium, and associated layer of supporting connective tissues that line the pleural cavity

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3
Q

What is the parietal pleura?

A

Pleura associated with the walls of a pleural cavity

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4
Q

What is the visceral pleura?

A

Pleura that reflects from the medial wall and onto the surface of the lung and adheres and covers the lung

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5
Q

What is the suprapleural membrane?

A

A dome-like layer of fascia that covers the superior surface of the cervical pleura

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6
Q

What is the function of the suprapleural membrane?

A

It provides apical support for the pleural cavity in the root of the neck

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7
Q

What is the parietal pleura innervated by?

A

The somatic afferent fibres

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8
Q

What is the visceral pleura innervated by?

A

Visceral afferent nerves that accompany bronchial vessels

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9
Q

What is a pleural recess?

A

It is a potential space within the thoracic cavity where, during expiration, the visceral and parietal pleura are relatively distant

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10
Q

What are the pleural recesses?

A

The costomediastinal and costodiaphragmatic recess

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11
Q

How does air enter and leave the lungs?

A

Through the bronchi

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12
Q

What is the root of the lung?

A

It is a short tubular collection of structures that together attach the lung to structures in the mediastinum

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13
Q

What is located in the root and hilum of the lung?

A

The bronchi, the pulmonary arteries, the pulmonary veins and the lymphatics

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14
Q

What is in the posterior position of the hilum of the lungs?

A

The Bronchi

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15
Q

What is in the superior position of the hilum of the lungs?

A

The Pulmonary arteries

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16
Q

What is in the inferior position of the hilum of the lungs?

A

The Pulmonary veins

17
Q

What is the function of the pulmonary ligament?

A

It stabilises the position of the inferior lobe and accommodates the translocation of structures in the root during breathing

18
Q

How many lobes and fissures does the right lung have?

A

3 lobes and 2 fissures

19
Q

What are the fissures of the right lung?

A

The oblique and horizontal fissures

20
Q

What is the function of the oblique fissure in the right lung?

A

It separates the inferior lobe from the superior lobe and the middle lobe of the right lung

21
Q

What is the function of the horizontal fissure in the right lung?

A

It separates the superior lobe from the middle lobe

22
Q

Which of the lungs is smaller?

A

The left lung

23
Q

How many lobes and fissures does the left lung have?

A

2 lobes and 1 fissure

24
Q

What is the fissure of the left lung?

A

The oblique fissure

25
Q

What is the function of the oblique fissure in the left lung?

A

It seperates the inferior lobe from the superior lobe

26
Q

What is unique about the left lung due to the position of the heart?

A

It has a notch

27
Q

What are the proximal airways?

A

The trachea, main bronchi, lobar bronchi, segmental bronchi and bronchioles

28
Q

What are the distal airways?

A

The terminal bronchioles, respiratory bronchioles, alveolar ducts and alveolus

29
Q

How does the Trachea maintain its shape?

A

Through the C-shaped transverse cartilage rings

30
Q

How is the bronchus seen in radiology?

A

Black with white walls

31
Q

How is the pulmonary artery seen in radiology?

A

It is white

32
Q

What is a bronchopulmonary segment?

A

It is the smallest functionally independent region of a lung and the smallest area of lung that can be isolated and removed without affecting adjacent regions

33
Q

What nerves supply the lungs?

A

Nerves from the pulmonary plexus

34
Q

What nerves constrict the bronchioles?

A

The vagus nerves

35
Q

What nerves dilates the bronchioles?

A

The sympathetic system

36
Q

What muscles cause inspiration?

A

The diaphragm, external intercostals, sternocleidomastoids and scalene

37
Q

What muscles cause expiration?

A

Internal intercostals and abdominals