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Anatomy > 03/04 > Flashcards

03/04 Flashcards

1
Q

What is the function of the Respiratory System?

A
  • Air passageway
  • Site of gas exchange
  • Detection of odors
  • Sound production
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2
Q

The nasal cavity is lined with

A

A mucus lining that has olfactory cells

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3
Q

The Respiratory System can be organized

A
  • Structurally

- Functionally

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4
Q

What are parts of the upper respiratory tract?

A

Nose, nasal cavity, and pharynx

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5
Q

What are parts of the lower respiratory tract?

A

Larynx, Trachea, Lungs

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6
Q

The smallest branch is called the

A

Respiratory bronchiole

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7
Q

The Respiratory bronchiole contain alveoli which allow for

A

Gas exchange

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8
Q

The Respiratory system is lined by

A

Mucous Membranes

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9
Q

The Mucous Membranes contain a

A

Epithelial layer and connective tissue layer

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10
Q

How is the thickness in areas like nasal cavity and trachea?

A

Thick due to thicker cells

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11
Q

The Alveoli is made of

A

Simple squamous epithelial cells

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12
Q

Why is it important that the Alveoli has Simple squamous epithelial cells?

A

These cells allow for gas exchange to happen via diffusion

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13
Q

What is the function of the nose?

A
  • Moistens and warms the entering air
  • Filters and cleans the inspired air
  • Houses olfactory receptors
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14
Q

In what kind of environment does gas exchange happen in?

A

A moist environment since gas needs to diffuse as a fluid

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15
Q

Olfactory receptors are especially found in the

A

Nasal cavity

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16
Q

The nasal cavity is lined by

A

Two mucosal areas

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17
Q

What are the two mucosal areas that line the nasal cavity?

A
  • Olfactory

- Respiratory

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18
Q

What happens within the Respiratory mucus area?

A

Ciliated epithelium traps and moves particles from the throat

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19
Q

The nasal cavity has sensory cells which

A

Trigger sneezing

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20
Q

The pharynx consists of

A
  • Nasopharynx
  • Oropharynx
  • Laryngopharynx
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21
Q

The Nasopharynx is the

A

Uppermost region of the pharynx

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22
Q

What is the Nasopharynx area?

A

From the back of the nasal cavity, past the palate and down the uvula

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23
Q

What happens when you swallow?

A

The soft palate and uvula close up the air passageway

24
Q

The Oropharynx is the area which ranges from

A

The soft palate, uvula, epiglottis

25
What is the Laryngopharynx?
Passageway for food and air
26
The Laryngopharynx extends down to the
Larynx
27
What does the epiglottis do when food is consumed?
Closes off the entrance to the trachea
28
The Larynx is attached to the
Hyoid bone
29
The Larynx is continuous with the
Trachea
30
Air will enter the larynx and move through down into the
Trachea
31
What is responsible for voice production?
The Larynx
32
Vocal cords are located in the
Larynx
33
The Trachea is the
Windpipe
34
The Trachea runs from
Larynx to primary bronchi to lungs
35
What is the function of the trachealis muscle?
It contracts when coughing
36
The trachealis muscle contracts when
Something goes down the trachea
37
What is the function of the Hyaline Cartilage in the Trachea?
Provides structure
38
What allows for SA in the lungs?
Bronchial branching
39
Terminal Bronchioles branch into
Respiratory bronchioles
40
The respiratory bronchioles lead into
Alveolar sacs
41
Terminal Bronchioles are lined by
Bands of smooth muscle, which contract and relax
42
What happens when the smooth muscle band across a terminal bronchiole contracts?
Restriction of opening
43
What happens when the smooth muscle band across a terminal bronchiole relaxes?
Air is allowed to come in
44
Hormones get released during SNS to
Dilate bronchioles
45
The inhaler for asthma allows for
The smooth muscles around bronchioles to relax
46
Where does gas exchange occur in the Alveoli?
In the respiratory membrane
47
The alveoli is surrounded by
Elastic fibers and capillaries
48
Alveoli are connected to one another via
Pores
49
Most Alveoli are made of
Type I Alveolar Cells
50
What kind of cells are Type I Alveolar Cells?
Simple squamous epithelial cells
51
What is the function of Type II Alveolar Cells?
They secrete surfactant, an oily fluid that will prevent alveoli from collapsing
52
Alveoli have macrophages which will
Phagocytize and clean up surface of alveoli
53
What happens when one has Pneumonia?
The buildup of fluid can interfere with gas exchange
54
Pneumonia causes for the
Thickening of respiratory membrane
55
Asthma allows for the
Increase of mucus production and inflammation of airways

Anatomy (46 decks)

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