RESPIRATORY SYSTEM

Lec. No. 7

Organs of the Respiratory System

1. Contraction of:

Diaphragm

Intercostal Muscle

2. ↑ Diameters of Chest

Anteropost Lateral

Longitudinal Diameter

3. ↑↑↑ -ve Pressure

4. Air enters from

atmosphere

Active Process

1. Relaxation of:

Diaphragm

Intercostal Muscle

2. Chest wall recoil due

to its weight and

lung will recoil due to its elasticity

Passive Process

Pathway of Air from the Nose to the Capillaries of the Lungs

Pathological Conditions Upper Respiratory Disorders:

- Diphtheria

- Epistaxis

- Pertusis

Bronchial tube disorders :

- Asthma

- Chronic Bronchitis

- Emphysema

- Pneumonia

Pathological Conditions- Pulmonary Abscesses

- Pulmonary Edema

- Pulmonary Embolism

- Tuberculosis

- Chronic Obstructive Pulmonary Diseases (COPD)

2. Label From 1 to 22

3. Give the meaning of the following terms?

a. Hydrothorax

b. Thoracentesis

c. Tracheotomy

d. Tachypnea

e. Dysphonia

f. Pleurodynia

g. Paranasal

Abdulqadir Nashwan

4. Interpret the Following Abbreviations with their meaning below:

-Chronic Obstructive Pulmonary Diseases -Oxygen Partial Pressure

-Shortness of breath -Carbon dioxide Partial Pressure

- Upper Respiratory infection - Tuberculosis

Abbreviations Interpretations

COPD

CPR

pCO2

pO2

SOB

TB

URI