Respiratory System

Question 1

Contents of upper respiratory system

Answer 1

Nose
Nasal cavity
Pharynx

Question 2

Contents of lower respiratory system

Answer 2

Larynx
Trachea
Bronchi
Lungs

Question 3

Conducting zone components

Answer 3

Nose
Nasal cavity
Pharynx
Larynx
Trachea
Bronchi
Bronchioles
Terminal bronchioles

Question 4

Respiratory zone components

Answer 4

Respiratory bronchioles
Alveolar ducts
Alveolar saccules

Question 5

3 regions of the pharynx

Answer 5

Nasopharynx (terminates at soft palate)
Oropharynx (terminates above epiglottis)
Laryngopharynx (terminates at esophagus)

Question 6

Larynx cartilages

Answer 6

Thyroid (1)
Epiglottic (1)
Cricoid (1)
Arytenoid (2)
Cuneiform (2)
Corniculate (2)

Question 7

Laryngeal cavity

Answer 7

Space that extends from entrance of larynx to the cricoid cartilage. Contains laryngeal vestibule (vestibular folds or false cords)

Question 8

Infraglottic cavity

Answer 8

Area below the vocal cords

Question 9

Thyrohyoid membrane

Answer 9

Ligament connecting thyroid cartilage to the hyoid bone

Question 10

Rima glottidis

Answer 10

Space between the true vocal cords

Question 11

Layers of the tracheal wall

Answer 11

Respiratory mucosa
Submucosa
Hyaline cartilage
Adventitia

Question 12

Lobar bronchi

Answer 12

Branches from right and left main bronchus.
3 in right lung
2 in left lung.

Question 13

Segmental bronchi

Answer 13

Branches from lobar bronchi. Contains 13 in right lung and 8 in left.
Supplies bronchopulmonary segments.

Question 14

Bronchioles

Answer 14

Branch from segmental bronchi. Branches repeatedly into terminal bronchioles.

Question 15

Terminal bronchioles

Answer 15

Contain Clara cells.
Represents the end of the conducting zone.

Question 16

Fissures of the lungs

Answer 16

Oblique fissure (both)
Horizontal fissure (right lung)

Question 17

Bronchopulmonary segment

Answer 17

Portion of lung tissue that each segmental bronchus supplies

Question 18

Lobule

Answer 18

Compartments within the bronchopulmonary segments. Each lobule wrapped in elastic tissue and contains:
Lymphatic vessel
Arteriole
Venule
Branch from a terminal bronchiole

Question 19

Respiratory membrane layers

Answer 19

Alveolar wall (pneumocytes and macrophages)
Epithelial basement membrane
Capillary basement membrane
Capillary endothelium

Question 20

Two principal neural respiratory centres.

Answer 20

Medullary respiratory centre
Pontine respiratory group

Question 21

Medullary respiratory centre

Answer 21

Dorsal respiratory group
Ventral respiratory group
(Pre-botzinger complex within VRG)

Question 22

Pontine respiratory group

Answer 22

Pneumotaxic area. Modifies rhythm for speaking, exercising, sleeping, etc.