Resperitory Tract Flashcards

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0
Q

Other word for exhale

A

Expire

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1
Q

Other word for inhale

A

Inspire

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2
Q

Resperation

A

Gas exchange between the environment and the blood

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3
Q

External nares ( nostrils) function

A

Take in air and filter out dust

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4
Q

Nasal cavity function

A

Filter and moisten air

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5
Q

Pharynx (throat)

A

Common area at the back of the throat where the oral cavity, nasal cavity, trachea and esophagus meet.

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6
Q

Glottis

A

Combination of vocal folds,space between them and larynx

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7
Q

Epiglottis

A

Cartilaginous flap that covers the trachea when swallowing

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8
Q

Larynx ( voice box )

A

Upper end of the trachea that contains vocal chords

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9
Q

Trachea (wind pipe )

A

Connects pharynx and bronchi

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10
Q

Function of cilia in the trachea

A

Move bacteria, and waste to the pharynx

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11
Q

Bronchi

A

Connect trachea to the bronchi

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12
Q

Bronchioles

A

Tubes leading away from the bronchi to the alveoli

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13
Q

Right lung has ______ lobes.

A

3

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14
Q

Left lung has _______lobes

A

2

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15
Q

Partial pressure

A

Pressure exerted by a particular gas in a mixture of gases

16
Q

Arteries flow

A

Away from the heart

17
Q

Veins flow

A

To the heart

18
Q

How many peptide chains does hemoglobin contain

A

4

19
Q

The heme group within hemoglobin contains what reactive metal

A

Fe 2+ ion

20
Q

What decreases the affinity to O2 and hemoglobin

A

H+. Ions

21
Q

Myoglobin

A

Oxygen storing pigment within muscle

22
Q

Intercostal muscle

A

Muscle that lies I between the ribs

23
Q

Bohr’s effect

A

In regions where acuity is greater the capacity to store O2 is less

24
Q

Three types of CO2 transport

A

Dissolved solution in plasma
Binding to protein chain
Transported in plasma as HCO3 - ions

25
Q

Enzyme that blinds CO2 and H2O to creat H2CO3( carbonic acid )

A

Carbon Anhydrase

26
Q

Carbonic acid spontainiously reacts in water to creat

A

H + HCO3 ( hydrogen carbonate )