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anatomy > Viscera of the Pleural Cavity > Flashcards

Viscera of the Pleural Cavity Flashcards

1
Q

Structures passing through the diaphragm:

A

-Inferior Vena Cava (T8)
-Esophagus (T10)
-Aorta (T12)

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2
Q

What are the diaphragm apertures

A

-caval (haitus) opening T8 (inferior vena cava)
-esophageal opening T10
-aortic opening T12

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3
Q

Caval opening ( inferior vena cava)

A

T8 vertebral lvl

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4
Q

What is the Caval openings passage for?

A

Inferior vena cava
Phrenic nerve

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5
Q

Phrenic nerve

A

C3, C4, C5

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6
Q

Esophageal opening

A

T10 vertebral lvl

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7
Q

Esophageal opening passage for: what nerves

A

-Esophagus
-R/L Vagus Nerves

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8
Q

Esophageal branches into what artery?

A

left gastric artery

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9
Q

Esophageal tributaries branches into what vein?

A

left gastric vein

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10
Q

Aortic opening

A

T-12 Vertebral lvl

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11
Q

Aorta opening is a passage for

A

-Aorta
-Azygos vein
-Thoracic lymphatic duct

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12
Q

The respiratory membrane is lined by ?

A

Mucous membrane

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13
Q

Mucous membranes lines all body cavities exposed to …

A

exterior

[resp. , digestive, urinary, reproductive]

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14
Q

What cells secrete mucous?

A

-Goblet

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15
Q

What does the parietal pleura cover?

A

covers walls of pleural cavity

-costal part
-diaphragmatic part
-mediastinal part
-cervical pleura

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16
Q

Visceral pleura covers?

A

surface of the lung

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17
Q

What is the Pleura cavity

A

space btw visceral and parietal layers (serous fluid)

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18
Q

Cervical pleura covers?

A

covers apex of lung (froms cup dome over apex)

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19
Q

Costodiaphragmatic recess is ?

A

where costal and diaphragmatic pleura meet ( where diaphragm/ lung serous fluids meet)

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20
Q

Costomediastinal Recess is ?

A

pleural space where costal pleura meets mediastinal pleura meet.

21
Q

Pneumothorax is ?

A

entry of AIR into pleural cavity

22
Q

Hydrothorax is ?

A

FLUID into pleural cavity

23
Q

Hemothorax is?

A

BLOOD into pleural cavity

24
Q

Thoracentesis is performed at ?

A

9th intercostal space

25
Q

What is the blood flow to the lung and root structure

A

R. Atrium–> R .Ventricle
–>Pulmonary Trunk–> R/L Pulmonary Arteries–> Lobar/segmental arteries–> capillaries—>segmental veins R/L —Pulmonary Veins–> LAtrium–>LV- aorta

26
Q

The Right Lung consists of:

A

-3 lobes
(superior, inferior, middle)

-2 fissures
(horizontal and oblique)

27
Q

Right Lung Mediastinal Surface adjacent to:

A

-heart, inferior vena cava, superior vena cava, azygos v., esophagus

28
Q

Left Lung Mediastinal Surface adjacent to:

A

-heart, aortic arch, thoracic aorta

-Cardiac impression
-Lingula

29
Q

Bronchial Tree : TRACHEA

A

-C7 to T4/5
-bifurcates at sternal angle

30
Q

Role of Lobar Bronchi

A

-supplies a lobe of the lung

31
Q

Segmental Bronchi

A

-supplies broncho pulmonary segments w/ pulmonary artery branch aid

32
Q

Bronchioles and Terminal Bronchioles

A

-direct air

33
Q

What are the airway conducting zones?

A

Trachea, main bronchi, lobar and segmental bronchi, bronchioles and terminal bronchioles

34
Q

What are the air way respiratory zones?

A

Respir. Bronchioles, alveolar ducts, alveolar sacs

35
Q

Lung Lobule consists of:

A

-resp. bronchioles
-alveolar ducts
-alveolar sacs
-alveoli

36
Q
  • what are resp. bronchioles
A

gas transportation/exchange

37
Q

alveolar ducts

A

-elongated airways

38
Q

-alveolar sacs

A

clusters of alveoli

39
Q

-alveoli

A

forms respiratory membrane

40
Q

Where does Bronchial A originate and what does it do?

A

-originate from thoracic aorta
-supply blood w/ nutrition

41
Q

Where does the Bronchial v. Drain to

A

right bronchial v. drains to azygos v.

Left bronchial v drains to accessory hemi-zygos

42
Q

Pulmonary plexus consists of:

A

-symapthetics
-parasympathetics

43
Q

-symapthetics

A

form postsynaptic fibers from paravertebral ganglia

44
Q

Right vagus nerve is …

A

behind root of lung

45
Q

left vagus nerve is … to lung

A

in front of root of lung

46
Q

Visceral efferents supplies?

A

Supplies the muscle

47
Q

Visceral afferents supplies?

A

ascending neurons / reflexes that help control function such as coughing

Nociceptive where it allows for painful stimuli such as ischemia

48
Q

Parasympathetic neurons provides ?

A

MOTOR INN. to smooth muscle airway

Bronchoconstrictor: reduce airway
Vasodilator: increase blood flow

49
Q

Sympathetics

A

MOTOR INN. to smooth muscle airway

Bronchodilator: increase airway
Vasoconstrictor: reduce blood away

anatomy (9 decks)

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