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PTRS 710 Exam 1 > Lungs & Mechanics of Breathing > Flashcards

Lungs & Mechanics of Breathing Flashcards

1
Q

Visceral Pleura

A

Covers lungs

No pain nerve fibers

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2
Q

Parietal Pleura

A

Covers wall of pleural cavity

Pain nerve fibers - referred to neck and shoulder

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3
Q

Pulmonary Ligament

A

Inferior to hilar region

Small amount of stability during collapse

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4
Q

Pleura

A

Serous membrane

Filled with thin film of serous fluid

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5
Q

Pleural Fluid

A

Allows movement of thoracic cage/diaphragm/lungs

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6
Q

Pleural Fluid Pressure

A

Under low pressure, negative pressure keeps lungs filled in pleural cavity

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7
Q

Parietal Pleura divided into

A

Cervical
Costal
Diaphragmatic
Mediastinal

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8
Q

Costomediastinal Recess

A

Meet anterior to heart in left pleural space

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9
Q

Costodiaphragmatic Recess

A

Most likely to collect excess fluid

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10
Q

Pneumothorax

A

Air in pleural cavity causing a hole in lung

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11
Q

Pneumothorax Symptoms

A

Chest pain
Respiratory distress
Tachycardia
Can be primary or secondary (lung disease)

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12
Q

Hemothorax

A

Accumulation of blood in pleural space

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13
Q

Hydrothorax/Effusion

A

Excessive accumulation of serous fluid in pleural space

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14
Q

Thoracentesis

A

Procedure to remove fluid or air

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15
Q

Right Lung

A

3 lobes
Oblique/horizontal fissure
Groove for arch of azygos vein, SVC, esophagus

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16
Q

Left Lung

A

2 lobes
Oblique fissure
Cardiac impression
Groove for arch of aorta and subclavian artery

17
Q

How many surfaces do the lungs have?

A

Three

18
Q

Right bronchus

A

Wider
Shorter
Runs more vertically - more foreign bodies can block

19
Q

Pulmonary Plexus

A

Receives sympathetic and parasympathetic innervation

20
Q

Quiet Respiration

A

Inspiration due to diaphragm

Expiration due to passive elastic recoil of lungs and thoracic cage

21
Q

Forced Respiration (Inspiration)

A

Due to SCM, scalenes, levator costarum, serratus posterior superior

22
Q

Forced Respiration (Expiration)

A

Due to active contraction of rectus abdominis, external & internal oblique muscles, internal intercostals, serratus posterior inferior, transversus thoracis

23
Q

Barrel Chest

A

Consequence of chronic emphysema

PTRS 710 Exam 1 (7 decks)

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