Respiratory

Question 1

Upper and Lower Respiratory Tract

Answer 1

• Upper respiratory tract
  
  • Sphenoidal sinus
  • Frontal sinus
  • Nasal cavity
  • Pharynx
• Lower respiratory tract
  
  • Larynx
  • Trachea
  • Bronchi
  • Lungs

Question 2

Respiratory functions

Answer 2

• Pulmonary ventilation (breathing
• Gas exchange (external respiration)
• Gas conditioning (warm, humidfy)
• Sound
• Olfaction
• Defense

Question 3

Nose and Nasal Cavaity functions

Answer 3

Airway

Humify and clean air

Reonating chamber for speech

House olfactory receptors

Question 4

Pharynx function and regions

Answer 4

Throat

Connects nasal cavity and mouth to larynx and esophagus

3 regions

Nasopharynx

Oropharynx

Laryngopharynx

Question 5

Larynx

Answer 5

Voice box

Epiglottis

Vestibular folds (False vocal cords)

Vocal folds (true)

Thyroid cartilage

Circoid cartilage

Arytenoid cartilage

Question 6

Trachea composition

Answer 6

• C shaped hyaline cartilage rings, protect esophagus open in back
• Posterior wall is not rigid, but muscular

Question 7

Carina

Answer 7

Last ring

Last line of defense before entering lungs, makes you cough like crazy

Question 8

Bronchial tree

Answer 8

• Right lung is larger than left bc of heart
• Primary bronchi
  
  • Right, more vertical, shorter, wider
  • Left less vertical, longer, narrower
• Secondary (lobar) bronchi
  
  • 2 left
  • 3 right
• Teritiary (segmental) bronchi
  
  • 8-10 left
  • 10 right
    *

Question 9

Bronchioles of Bronchial Tree

Answer 9

Microscopic

Do not contain cartilage

Smooth muscle

Sympathetic- bronchodilation

Parasympathetic- Bronchoconstriction