Spirometry and Asthma Diagnosis

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What is the typical spirometric finding in asthma patients after bronchodilator treatment?

No significant change in FEV1 and flow rates

Increase in FEV1 and flow rates (correct)

Irreversible obstruction in FEV1 and flow rates

Decrease in FEV1 and flow rates

What is a characteristic of the cough phenotype of asthma?

Shortness of breath is the primary symptom

Cough is the only symptom, often in children, and often at night (correct)

Wheezing is the primary symptom

Chest tightness is the primary symptom

What is occupational asthma?

A type of asthma caused by environmental factors

A type of asthma caused by genetic factors

A type of asthma caused by infectious agents

A type of asthma caused or aggravated by occupational factors (correct)

What is the effect of inhaled corticosteroids on PEF rates in asthma patients?

It increases PEF rates and decreases morning dipping (D) Signup and view all the answers

What is a characteristic of spirometric measurements in asthma patients?

FEV1 represents the highest of 3 reproducible measurements (C) Signup and view all the answers

What is a characteristic of occupational asthma symptoms?

Symptoms vary on working days and weekends/holidays (C) Signup and view all the answers

What is a characteristic of symptoms in asthma diagnosis?

Symptoms often get worse at night or when waking up (B) Signup and view all the answers

Which of the following is not a diagnostic test for asthma?

Complete Blood Count (CBC) (B) Signup and view all the answers

What is a common indicator of asthma diagnosis in low and middle-income countries?

20% increase in PEF after 2 puffs of salbutamol (B) Signup and view all the answers

What is the purpose of confirming the diagnosis of asthma before treating?

To ensure proper treatment and prevent overtreatment (D) Signup and view all the answers

What is a characteristic of asthma symptoms in relation to exercise?

Symptoms can be provoked by exercise, among other triggers (C) Signup and view all the answers

What is the effect of inhaled glucocorticosteroids on asthma symptoms?

Symptoms, variability in lung function, and airway hyperresponsiveness are decreased (B) Signup and view all the answers

What is a characteristic symptom pattern of asthma?

Good and bad days, but always daily symptoms and exertional dyspnea (C) Signup and view all the answers

What is a feature of lung function in asthma?

Record of persistent airflow limitation (FEV1/FVC < 0.7 post-BD) (B) Signup and view all the answers

Which of the following is a risk factor for COPD?

Exposure to biomass fuels (B) Signup and view all the answers

What is a characteristic of the time course of asthma?

Variation in symptoms over minutes, hours, or days (A) Signup and view all the answers

What is a feature of asthma diagnosis?

Previous doctor diagnosis of asthma (A) Signup and view all the answers

What is a characteristic of COPD treatment?

Rapid-acting bronchodilators provide only limited relief (B) Signup and view all the answers