Lecture Notes Respiratory Flashcards Preview

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Flashcards in Lecture Notes Respiratory Deck (10):
1

Pharynx "throat" has 3 regions

1) nasopharynx- includes adenoids & opening to auditory tubes
2) oropharynx-includes stratified squamous epithelium + uvula
3) laryngopharynx-stratified squamous; “the fork in the road"

2

Conducting passageways from respiratory bronchioles through alveolar sacs; simple cuboidal epithelium

Alveolar ducts

3

Alveoli

may be present as individual alveoli on respiratory bronchioles,
or in clumps called alveolar sacs epithelium; highly vascular (capillaries
; site of gas exchange; simple squamous ); surfactant & macrophages.

4

3 types of bronchioles

1) Bronchioles- Lined with PCCE
2) Terminal bronchioles-Simple ciliated columnar epithelium
3) Respiratory bronchioles-Simple cuboidal. Smooth muscle dominates the bronchial wall

5

Breaks the surface tension of water

Surfactant

6

Without surfactant,

The surface tension collapses the alveoli

7

Separates the 2 pleural cavities

Mediastinum

8

Depression in the left lung

Cardiac notch

9

Found in the Pons and
Medulla oblongata

Respiratory centers

10

In addition to these subconscious reflexes, there can be

Voluntary motor signals