RESPIRATORY THERAPY - EXAM 2 QUESTIONS WITH CORRECT ANSWERS

RESPIRATORY THERAPY - EXAM 2
QUESTIONS WITH CORRECT ANSWERS
Hypoxic hypoxia - Definition - ANSWER-path of oxygen is blocked before it reaches
alveolar wall, thus oxygen is not available to go into blood in the lungs

Hypoxic hypoxia - O2 route: Respiratory Pump - ANSWER-Cause/Pathology:
1. pneumothorax
2. fractured ribs
3. muscular paralysis
4. kyphoscoliosis

Hypoxic hypoxia - O2 route: Upper respiratory passage - ANSWER-Cause/pathology:
1. foreign body obstruction
2. laryngotracheobronchitis
3. edema of vocal cords

Hypoxic hypoxia - O2 route: Bronchi - ANSWER-Cause/pathology:
1. chronic bronchitis
2. tumors

Hypoxic hypoxia - O2 route: Alveoli - ANSWER-Cause/pathology:
1. pneumonia
2. pulmonary edema
3. emphysema
4. fibrosis

Hypoxic hypoxia - O2 route: Alveolar-capillary membrane - ANSWER-Cause/pathology:
1. alveolar-capillary block and shunt

Anemic hypoxia - Denifition - ANSWER-oxygen does not or cannot attach to
hemoglobin or theres a deficient RBC condition such as anemia.

Anemic hypoxia - O2 route: Blood - ANSWER-Cause/pathology:
1. anemia
2. hemorrhage

Stagnant hypoxia - Definition - ANSWER-Poor circulation or no circulation = oxygen not
transported to tissues

Stagnant hypoxia - O2 route: Heart - ANSWER-Cause/pathology:
1. heart failure
2. congenital defects (Patent Foramen Ovale)
3. Shock and venous return decrease