Podcast
Questions and Answers
What is a common allergen that can trigger asthma symptoms?
What is a common allergen that can trigger asthma symptoms?
- Dust mites (correct)
- Strong fragrances
- Emotional stress
- Tobacco smoke
Which symptom is more likely to occur in severe asthma cases?
Which symptom is more likely to occur in severe asthma cases?
- Feeling tired or fatigued
- Quick shallow breathing
- Wheezing or coughing
- Chest retractions (correct)
What is the purpose of a spirometry test in diagnosing asthma?
What is the purpose of a spirometry test in diagnosing asthma?
- To test for airway constriction
- To measure lung capacity and airflow (correct)
- To check for allergic reactions
- To rule out other conditions
Which of the following is NOT a physical factor that can trigger asthma symptoms?
Which of the following is NOT a physical factor that can trigger asthma symptoms?
What is the purpose of a methacholine challenge test?
What is the purpose of a methacholine challenge test?
Which of the following is a common symptom of asthma?
Which of the following is a common symptom of asthma?
What is the function of the soft palate during certain activities?
What is the function of the soft palate during certain activities?
What is the primary function of the mouth in relation to breathing?
What is the primary function of the mouth in relation to breathing?
What is the location of the pharyngeal tonsils in relation to the soft palate?
What is the location of the pharyngeal tonsils in relation to the soft palate?
What is the significance of the uvula in terms of the pharyngeal reflex?
What is the significance of the uvula in terms of the pharyngeal reflex?
What is a disadvantage of the mouth as an airway passage?
What is a disadvantage of the mouth as an airway passage?
What is the function of the glossopalatine arch?
What is the function of the glossopalatine arch?
In which zone of the lung is the alveolar pressure greater than pulmonary capillary perfusing pressure?
In which zone of the lung is the alveolar pressure greater than pulmonary capillary perfusing pressure?
What is the relationship between ventilation and perfusion in a healthy individual?
What is the relationship between ventilation and perfusion in a healthy individual?
What is the effect of decreasing ventilation with unchanged perfusion on the V/Q ratio?
What is the effect of decreasing ventilation with unchanged perfusion on the V/Q ratio?
In which zone of the lung is the pulmonary capillary perfusing pressure greater than the alveolar pressure?
In which zone of the lung is the pulmonary capillary perfusing pressure greater than the alveolar pressure?
What is the impact of abnormalities that lower ventilation with perfusion unchanged on the V/Q ratio?
What is the impact of abnormalities that lower ventilation with perfusion unchanged on the V/Q ratio?
Study Notes
Triggers
- Allergens:
- Dust mites
- Pollen
- Pet dander
- Mold
- Cockroach waste
- Irritants:
- Tobacco smoke
- Air pollution
- Chemicals in the workplace
- Strong fragrances
- Respiratory infections
- Physical factors:
- Exercise (especially in cold air)
- Emotional stress
- Hormonal changes
- Certain medications (e.g., beta-blockers, aspirin)
Symptoms
- Common symptoms:
- Wheezing or coughing
- Shortness of breath
- Chest tightness or pain
- Quick shallow breathing
- Feeling tired or fatigued
- Severe symptoms:
- Severe wheezing or coughing
- Pale or blue-tinged skin
- Confusion or disorientation
- Rapid heartbeat
- Chest retractions (in children)
Diagnosis
- Medical history and physical exam:
- Review of symptoms and medical history
- Listening to lungs with a stethoscope
- Checking for signs of allergies or other conditions
- Lung function tests:
- Spirometry: measures lung capacity and airflow
- Peak flow meter: measures airflow
- Methacholine challenge: tests for airway constriction
- Allergy tests:
- Skin prick test: checks for allergic reactions
- Blood tests: measures IgE antibody levels
- Imaging tests:
- Chest X-ray: rules out other conditions
- CT scan: checks for lung damage or other conditions
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Description
Learn about the common allergens, irritants and physical factors that trigger asthma symptoms. Identify the common and severe symptoms of asthma. Understand the diagnosis process, including medical history, lung function tests, allergy tests, and imaging tests.
