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BIOE 210 > Respiratory System > Flashcards

Respiratory System Flashcards

1
Q

Airway Function

A

Allow air to enter and exit

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2
Q

Lung function

A

Gas exchange

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3
Q

Rib cage function

A

protects the lungs

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4
Q

Functions of the respiratory system

A

1) Gas exchange
2) Increase temp of air going in the lungs
3) increase humidity of the air
4) Filter the air entering the lungs

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5
Q

Why does the respiratory system increase the humidity and temp of the air?

A

Helps with gas exchange

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6
Q

What are the intercostal muscles

A

The muscles in between the ribs

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7
Q

What are the bronchi

A

main branches in the airways in the lungs

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8
Q

what are Bronchioles

A

Branches of the bronchi

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9
Q

What are alveoli

A

air sacs at the end of the bronchi where gas exchange occurs

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10
Q

what is the visceral pleura

A

innermost Thin membrane covers the surface of the lungs

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11
Q

What is the parietal pleura

A

The outermost membrane covers the lungs. produces the fluid that exists between the parietal and visceral pleura

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12
Q

What fluid lines the airways

A

mucous

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13
Q

what are goblet cells?

A

cells in the airways that store mucous.

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14
Q

what are cialeted cells

A
  • cells in the airways that increase the humidity of the entering air.
  • bring NaCl and H2O into airways
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15
Q

What force causes gas exchange to occur?

A

Partial pressure difference

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16
Q

What are Squamous cells

A

cells in the alveoli that facilitate gas exchange

17
Q

What covers the squamous cells

A

Surfactant which reduces the surface tension with inspiration

18
Q

a compound in RBCs that carries oxygen

A

Hemoglobin (carries 4 O2)

19
Q

What is the diaphragm responsible for?

A

contracting and causing the pressure in the lungs to decrease or increase which causes air to flow in/ out

20
Q

the pressure of the water in between the Parietal and Visceral pleura follows the trend:

A

decreases as it goes further down the lungs ( Avg of 5 mmH2O)

21
Q

Tidal Volume (TV)

A

Amount of air moving through the lungs when the body is at rest.

22
Q

Expiration reserve volume (ERV)

A

amount of extra air above normal that is exhaled during a forceful breath out.

23
Q

Residual Volume (RV)

A

volume of air in the lungs after maximum forceful expiration

24
Q

Inspiration reserve volume (IRV)

A

Maximum extra air a person can inhale forcefully above the tidal volume

25
Q

Vital Capacity (VC)

A

Amount of air that can be expelled from the lungs after maximum inhalation

26
Q

Total Lung Capacity (TLC)

A

Maximum volume of air the lungs can hold

BIOE 210 (12 decks)

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