Conducting zone

Question 1

What is the main function of the respiratory system?

Answer 1

Respiration

Question 2

What does the entire process of gas exchange in the body include?

Answer 2

Pulmonary ventilation (breathing in and out)
Supplying body cells with oxygen
Removing body cells with co2

Question 3

What are some other functions of the respiratory system?

Answer 3

Filters, warms, moistens air
Helps regulate blood PH
Produces sound and smell receptors

Question 4

What does the conducting zone do?

Answer 4

Makes sure air goes in and out of lungs
Filters, warms, and moistens air

Question 5

What is the upper division of conducting zone?

Answer 5

Nasal cavity
Nostril
Larynx
Pharynx

Question 6

What is the lower division of the conducting zone?

Answer 6

Trachea
Primary bronchus
Lungs
Diaphragm

Question 7

What is the opening to the respiratory system?

Answer 7

External nares or nostrils

Question 8

What is the nose made of?

Answer 8

Nasal bones
Hyaline cartilage

Question 9

What forms the nasal septum?

Answer 9

Perpendicular plate of ethmoid bone
Vomer
Cartilage

Question 10

What creates the right and left sides of nasal passage?

Answer 10

Internal division

Question 11

What is the nasal cavity?

Answer 11

Internal space behind the nose that connects to the pharynx

Question 12

What is the roof of the nasal cavity?

Answer 12

Cribiform plate of the ethmoid bone

Question 13

What is the floor of the nasal cavity?

Answer 13

Hard palate

Question 14

What do nasal conchae do in the nasal cavity?

Answer 14

Increase surface area

Question 15

After respiratory mucosa traps bacteria where does it go?

Answer 15

Stomach via esophagus

Question 16

What does pharynx do?

Answer 16

Connects nasal cavity and mouth superiorly to larynx and esophagus inferiorly
Common passageway for food and air
Assists with resonating speech and houses the tonsils

Question 17

What is true about nasopharynx?

Answer 17

Primary air passageway

Question 18

Oropharynx

Answer 18

Passageway for food and air

Question 19

Laryngopharynx

Answer 19

Where respitratory and digestive tubes diverge

Question 20

What does the thyroid cartilage protect?

Answer 20

The glottis

Question 21

Where is larynx attached to?

Answer 21

Superiorly: Hyoid bone
Inferiorly: continous with trachea

Question 22

What does the larynx do?

Answer 22

Directs food and air into correct tubes
Anchors muscles for swallowing and sound production

Question 23

What makes up the larynx?

Answer 23

Hyoid bone
Thyroid cartilage
Cricoid cartilage
Epiglottis
Arytenoid cartilages

Question 24

Hyoid bone

Answer 24

Where tongue and neck muscles attach
Only bone not to be articulated by another bone

Question 25

Thyroid cartilage

Answer 25

Large anterior shield attached to the hyoid bone

Question 26

Cricoid cartilage

Answer 26

Inferior, ring shaped, attached to trachea Work together to protect entrance to the trachea

Question 27

Epiglottis

Answer 27

Leaf shaped lid, posterior aspect of the tongue to the thyroid cartilage Closes airway during swallowing

Question 28

Arytenoid cartilages

Answer 28

Lateral and posterior walls of larynx superior to cricoid cartilage Move the vocal cords regulating the size of the glottis

Question 29

Where do vocal cords run from?

Answer 29

Internal surface of thyroid cartilage to arytenoid cartilage

Question 30

What are vocal cords called when they're covered with tissue?

Answer 30

Vocal Folds

Question 31

What is the glottis?

Answer 31

Open and adjustable space between vocal cords Passageway for air

Question 32

What moves the arytenoid cartilages to change glottis size and produce sound?

Answer 32

Contraction of laryngeal muscles

Question 33

Trachea

Answer 33

Made of cartilages derived from visceral arches to keep the airway open

Question 34

What is true about the trachea?

Answer 34

It is open all the time In superior mediastinum Anterior to esophagus

Question 35

Where does trachea descend from?

Answer 35

The larynx

Question 36

What is the last cartilage of the trachea?

Answer 36

The carina

Question 37

Where does the trachea split into left and right?

Answer 37

The carina

Question 38

True of false: Cartilage is absent in the posterior trachea

Answer 38

True

Question 39

What keeps the trachea open?

Answer 39

C shaped hyaline cartilage which become circular with the trachealis muscle

Question 40

Air is moved to and from the lungs using the ___?

Answer 40

Bronchial tree

Question 41

What do the main bronchus supply?

Answer 41

Supply to each lung directly

Question 42

What do the lobar bronchus supply?

Answer 42

Each lobe of the lung

Question 43

What do the segmental bronchus supply?

Answer 43

Lobules

Question 44

What do lobules do?

Answer 44

Gas exchange

Question 45

What makes up the bronchial tree?

Answer 45

Primary (main bronchi) Secondary (lobar) bronchi Tertiary (segmenta) bronchi Bronchioles

Question 46

Primary (main) bronchi

Answer 46

Largest and 1st off the trachea which supply to each lung

Question 47

Secondary (lobar) bronchi

Answer 47

Supply to each lobe of the lung 3 on the right and 2 on the left

Question 48

What is true about tertiary (segmental) bronchi

Answer 48

Less cartilage

Question 49

Bronchioles

Answer 49

Supply to the lobules of the lungs No cartilage More smooth muscle Thin epithelium

Question 50

Where are the apex and base of the lungs?

Answer 50

Apex: Near clavicle ; on top Base: On diaphragm ; on bottom

Question 51

What is the hilum?

Answer 51

Where the bronchi, large blood vessels, and nerves access the lungs at the groove of mediastinal surface

Question 52

How many lobes are on the lungs?

Answer 52

On right side 3 On left side 2

Question 53

On the right side of the lung what are the superior and middle lobes divided by?

Answer 53

Horizontal fissure

Question 54

On the right side of the lung what are the middle and inferior lobes divided by?

Answer 54

Oblique fissure

Question 55

On the left side of the lung what are the superior and inferior lobes of the lung divided by?

Answer 55

Oblique fissure

Question 56

What are the smallest subdivisions of the lung?

Answer 56

The lobules

Question 57

Where is the respiratory zone?

Answer 57

In the lobules