Ch 25- Respiratory System

Question 1

Upper Respiratory Tract

Answer 1

This area includes:
Nose, Pharynx, Larynx, Trachea, Mian Bronchi, Lobar bronchi

Question 2

Nose

Answer 2

(Upper Respiratory Tract)
Lined with an epithelial barrier composed of pseudo stratified ciliated columnar epithelium
Consists of:
Nostril - External Nares
Nasal Cavity
Nasal Septum

Question 3

Nasal Septum

Answer 3

(Upper Respiratory Tract - Nose)
Splits sagittally the nasal cavity into right and left cavities
Composed of:
Perpendicular plate of ethmoid bone
Vomer bone
Nasal Cartilage

Question 4

Hard Palate

Answer 4

(Upper Respiratory Tract)- Nose
Floor of the nose composed of maxillary and palatine bone

Question 5

Soft palate

Answer 5

(Upper Respiratory Tract - Nose)
Soft tissue posterior to the hard palate

Question 6

Internal Nares

Answer 6

(Upper Respiratory Tract - Nose)
Connect between between nasal cavity and nasopharynx

Question 7

Nasal Conchae

Answer 7

(Upper Respiratory Tract - Nose)
Projections from ethmoid and maxillary bones around around the nasal cavity, superior, middle, and inferior nasal meatus.

Question 8

Pharynx

Answer 8

(Upper Respiratory Tract)
Consists of the Auditory tube, Nasopharynx, Oropharynx, Laryngopharynx

Question 9

Auditory Tube

Answer 9

(Upper Respiratory Tract - Pharynx)
Eustachian Tube
Connects nasopharynx to middle ear

Question 10

Nasopharynx

Answer 10

(Upper Respiratory Tract - Pharynx)
#1 Behind internal nares

Question 11

Oropharynx

Answer 11

(Upper Respiratory Tract - Pharynx)
#2 Behind Tongue

Question 12

Laryngopharynx

Answer 12

(Upper Respiratory Tract - Pharynx)
#3 Behind Larynx

Question 13

Larynx

Answer 13

(Upper Respiratory Tract)
Consists of Glottis, Epiglottis, Thyroid cartilage, Cricoid Cartilage, Ventricular and Vocal folds

Question 14

Glottis

Answer 14

(Upper Respiratory Tract - Larynx)
opening of the larynx

Question 15

Epiglottis

Answer 15

(Upper Respiratory Tract - Larynx)
Surrounds the glottis posteriorly, composed largely of epiglottis cartilage (elastic cartilage)

Question 16

Thyroid cartilage

Answer 16

(Upper Respiratory Tract - larynx)
Major anterior structure of the larynx

Question 17

Cricoid Catilage

Answer 17

(Upper Respiratory Tract - Larynx)
Major posterior structure of the larynx

Question 18

Ventricular Folds

Answer 18

(Upper Respiratory Tract - Larynx)
Vestibular Folds
Narrowing of the glottis superior to the vocal cords

Question 19

Vocal Folds

Answer 19

(Upper Respiratory Tract - Larynx)
Vocal cords
Fibrous connective tissue “Strings” medial and inferior to the ventricular folds

Question 20

Trachea

Answer 20

(Upper Respiratory Tract - Trachea)
Lined with epithelial barrier composed of psuedostratified ciliated columnar epithelium

Question 21

Tracheal Cartilage

Answer 21

(Upper Respiratory Tract - Trachea)
Structural corrugations of the trachea

Question 22

Main Bronchi

Answer 22

(Upper Respiratory Tract - Bronchi)
Primary Bronchi
Lined with an epithelial barrier composed of psuedostratified ciliated columnar epithelium

Question 23

Right main bronchus

Answer 23

(Upper Respiratory Tract - Bronchi)
Right branch of the trachea

Question 24

Left Main Bronchus

Answer 24

(Upper Respiratory Tract - Bronchi)
Left branch of the trachea

Question 25

Lobar Bronchi

Answer 25

(Upper Respiratory Tract - Bronchi) Secondary Bronchi Lined with an epithelial barrier composed of psuedostratified ciliated columnar epithelium

Question 26

Right Lobar Bronchi

Answer 26

(Upper Respiratory Tract - Bronchi) 3-4 branches of right main bronchus

Question 27

Left Lobar Bronchi

Answer 27

(Upper Respiratory Tract - Bronchi) 2 branches of left main bronchus

Question 28

Histology of Trachea

Answer 28

(Upper Respiratory Tract - Histology of trachea) Consists of Mucosa and submucosa

Question 29

Mucosa

Answer 29

(Upper Respiratory Tract - Histology of trachea) Epithelium and connective tissue psuedostratified ciliated columnar epithelium and Lamina propria (fibrous connective tissue of mucosa)

Question 30

Submucosa

Answer 30

(Upper Respiratory Tract - Histology of trachea) Connective tissue with mucosa glands and blood vessels Tracheal cartilage (Hyaline cartilage) and trachealis muscle (between open ends of tracheal cartilage)

Question 31

Lower Respiratory Tract

Answer 31

(Lower Respiratory Tract) Consists of Lungs, lobes, pleural cavity, pulmonary circulation, segmental, respiratory and terminal bronchi, alveolar ducts, sacs, and alveoli