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122 > Prelim | Lungs > Flashcards

Prelim | Lungs Flashcards

1
Q

Weight of the lungs

A

1000g

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2
Q

Volume of the lungs

A

250ml (birth) to 6000ml

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3
Q

Height of the lungs

A

24-27cm

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4
Q

Shape of the lungs

A

Cone-shaped

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5
Q

Location of the lung’s apex

A

Superior to medial thirds of clavicle

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6
Q

What surfaces of the lunds lie against the ribs?

A

Anterior lateral, and posterior surfaces

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7
Q

Location of the lung’s base:
Extends from the (1) anteriorly to the process of the (2) posteriorly

A
  1. 6th costal cartilage
  2. 10th thoracic vertebrae
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8
Q

Composition of the lungs

A
  1. Enclosed by pleural membrane
  2. Bronchial tree
  3. Elastic and collagen fibers
  4. Capillaries
  5. Alveoli
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9
Q

Function of the lungs

A

Respiration

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10
Q

Double-layered serous membrance that enclose and protects the lungs

A

Pleural membrane/ Pleura

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11
Q

Layers of the pleura

A

Visceral plura and parietal pleura

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12
Q

Space between the visceral and parietal pleura

A

Pleural cavity

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13
Q

Fluid within the pleural cavity and its function

A

Parietal fluid; reduces frinction during breathing

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14
Q

Pleural cavities filled with air

A

Pneumothorax

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15
Q

Pleural cavities filles with blood

A

Hemothorax

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16
Q

Pockets of pus that have collected inside a body cavity

17
Q

Lung surfaces

A

Costal surface
Mediastinal surface
Cardiac notch
Diaphragmatic surface

18
Q

Rounded curvature that matches and lies aaginst he ribs

A

Costal surface

19
Q

Central part between the two lungs that contains a region through which bronchi, pulmonary blood vessels, lymphatic vessels, and nerves enter and exit

A

Mediastinal surface

20
Q

Region through which bronchi, pulmonary blood vessels, lymphatic vessels, and nerves enter and exit

21
Q

Concavity in the left lung where apex of the heart lies

A

Cardiac notch

22
Q

Surface resting on the dome of the diaphragm having a concave shape

A

Diaphragmatic surface

23
Q

Lung borders

A

Anterior
Posterior
Inferior

24
Q

Formed by the sharp convergence of the mediastinal and costal surfaces on the L lung

A

Anterior border (of lung)

25
Q

What border of the lungs is marked by the cardiac notch?

A

Anterior border

26
Q

Smooth and rounded border of the lung

A

Posterior border

27
Q

Formed by the costal and mediastinal surfaces meeting posteriorly

A

Posterior border (of lung)

28
Q

Separates the base of the lung from the costal and mediastinal surfaces

A

Inferior border (of lung)

29
Q

Cup-shaped outpouching

30
Q

Passageway connecting alveolar sac and bronchioles

A

Alveolar ducts

31
Q

Consists of 2 or more alveoli that share a common opening

A

Alveolar sac

32
Q

Four layers of the respiratory membrane (where exchange of O2 and CO2 happens)

A
  1. Type I and II alveolar cells
  2. Epithelial basement membrane
  3. Capillary basement membrane
    4, Capillary endothelium

122 (23 decks)

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