Prepare for exams with MCQs on the respiratory system. Cover topics like anatomy, physiology, common respiratory diseases, and treatments to enhance your understanding and score higher.
- What is the primary therapeutic use of beta-2 adrenergic agonists in asthma?
- A) Reducing mucus secretion
- B) Bronchodilation
- C) Anti-inflammatory effect
- D) Antihistamine action
- Answer: B
- Which corticosteroid is commonly used as an inhaled therapy for asthma?
- A) Prednisone
- B) Hydrocortisone
- C) Beclomethasone
- D) Dexamethasone
- Answer: C
- What is the mechanism of action of theophylline in asthma treatment?
- A) Beta-2 receptor activation
- B) Inhibition of phosphodiesterase
- C) Leukotriene receptor antagonism
- D) Mucolytic action
- Answer: B
- Which drug is a leukotriene receptor antagonist used for asthma prophylaxis?
- A) Theophylline
- B) Salbutamol
- C) Montelukast
- D) Ipratropium
- Answer: C
- Short-acting beta-2 agonists are primarily used for:
- A) Maintenance therapy
- B) Long-term asthma control
- C) Quick relief of bronchospasm
- D) Anti-inflammatory effect
- Answer: C
- What adverse effect is associated with high doses of beta-2 adrenergic agonists?
- A) Bradycardia
- B) Hypotension
- C) Tachycardia
- D) Hyperkalemia
- Answer: C
- Which respiratory condition is commonly treated with inhaled corticosteroids?
- A) Acute bronchitis
- B) Emphysema
- C) Asthma
- D) Pulmonary embolism
- Answer: C
- Cromolyn sodium is classified as a:
- A) Mast cell stabilizer
- B) Beta-2 agonist
- C) Mucolytic agent
- D) Leukotriene antagonist
- Answer: A
- Which medication is used as a first-line treatment for exercise-induced asthma?
- A) Theophylline
- B) Montelukast
- C) Salbutamol
- D) Ipratropium
- Answer: C
- Ipratropium works by:
- A) Blocking histamine receptors
- B) Stimulating beta-2 receptors
- C) Inhibiting acetylcholine at muscarinic receptors
- D) Decreasing inflammation
- Answer: C
- What is the main adverse effect of inhaled corticosteroids?
- A) Oral candidiasis
- B) Hyperglycemia
- C) Weight gain
- D) Insomnia
- Answer: A
- Theophylline toxicity can result in:
- A) Bradycardia
- B) Seizures
- C) Constipation
- D) Hypertension
- Answer: B
- Which of the following is a long-acting beta-2 agonist?
- A) Salbutamol
- B) Formoterol
- C) Epinephrine
- D) Terbutaline
- Answer: B
- Montelukast is used for the treatment of:
- A) Chronic obstructive pulmonary disease (COPD)
- B) Seasonal allergic rhinitis
- C) Acute bronchospasm
- D) Pulmonary fibrosis
- Answer: B
- Beta-2 agonists may cause which electrolyte imbalance?
- A) Hypokalemia
- B) Hypernatremia
- C) Hypercalcemia
- D) Hypomagnesemia
- Answer: A
- Which anticholinergic drug is commonly used in COPD management?
- A) Salbutamol
- B) Ipratropium
- C) Montelukast
- D) Cromolyn
- Answer: B
- Dextromethorphan is an antitussive that acts on the:
- A) Peripheral cough receptors
- B) Central nervous system
- C) Bronchial smooth muscle
- D) Histamine receptors
- Answer: B
- Which drug is used to treat both asthma and allergic rhinitis?
- A) Montelukast
- B) Theophylline
- C) Ipratropium
- D) Dexamethasone
- Answer: A
- What is the therapeutic use of codeine in respiratory disorders?
- A) Bronchodilation
- B) Cough suppression
- C) Anti-inflammatory effect
- D) Mucolytic action
- Answer: B
- The main action of antihistamines in allergic rhinitis is:
- A) Reducing inflammation
- B) Blocking histamine H1 receptors
- C) Stimulating beta-2 receptors
- D) Increasing mucus production
- Answer: B
- Which of the following is a contraindication for the use of beta-2 agonists?
- A) Diabetes
- B) Hyperthyroidism
- C) Hypertension
- D) Asthma
- Answer: B
- Long-term control of asthma can be achieved with:
- A) Short-acting beta-2 agonists
- B) Inhaled corticosteroids
- C) Mucolytics
- D) Antitussives
- Answer: B
- The use of corticosteroids in asthma primarily aims to:
- A) Relieve bronchospasm
- B) Reduce airway inflammation
- C) Increase mucus secretion
- D) Suppress the cough reflex
- Answer: B
- Theophylline belongs to which class of respiratory drugs?
- A) Beta-2 agonists
- B) Xanthine derivatives
- C) Anticholinergics
- D) Leukotriene antagonists
- Answer: B
- Which medication is not recommended for acute asthma exacerbations?
- A) Salbutamol
- B) Ipratropium
- C) Montelukast
- D) Theophylline
- Answer: C
- Which respiratory condition is treated with mucolytic agents?
- A) Pulmonary fibrosis
- B) COPD
- C) Asthma
- D) Pneumonia
- Answer: B
- The primary adverse effect of codeine as an antitussive is:
- A) Nausea
- B) Constipation
- C) Drowsiness
- D) Tachycardia
- Answer: C
- Inhaled corticosteroids may lead to:
- A) Hypocalcemia
- B) Oral thrush
- C) Hyperglycemia
- D) Bradycardia
- Answer: B
- Which of the following is a short-acting beta-2 agonist?
- A) Formoterol
- B) Salbutamol
- C) Montelukast
- D) Beclomethasone
- Answer: B
- Cromolyn is used as a prophylactic treatment for:
- A) Allergic rhinitis
- B) Bronchitis
- C) Asthma
- D) Emphysema
- Answer: C
- Which drug class is preferred for immediate relief in asthma attacks?
- A) Leukotriene antagonists
- B) Inhaled corticosteroids
- C) Beta-2 agonists
- D) Anticholinergics
- Answer: C
- Theophylline is primarily used to treat:
- A) Cystic fibrosis
- B) Asthma and COPD
- C) Pulmonary edema
- D) Tuberculosis
- Answer: B
- Which medication is used to reduce cough sensitivity?
- A) Dextromethorphan
- B) Salbutamol
- C) Beclomethasone
- D) Ipratropium
- Answer: A
- The action of anticholinergics in respiratory treatment involves:
- A) Stimulating histamine release
- B) Reducing acetylcholine activity in airways
- C) Enhancing leukotriene
- D) Increasing bronchial secretions
- Answer: B
- Leukotriene antagonists are used to prevent:
- A) Acute bronchospasm
- B) Chronic inflammation
- C) Mucus hypersecretion
- D) Bronchial infections
- Answer: B
- The primary side effect of using systemic corticosteroids in respiratory conditions is:
- A) Weight gain
- B) Tachycardia
- C) Hyperglycemia
- D) Constipation
- Answer: C
- Which respiratory drug has a risk of causing adrenal suppression with long-term use?
- A) Theophylline
- B) Salbutamol
- C) Beclomethasone
- D) Cromolyn
- Answer: C
- Which drug can be used to treat both COPD and asthma?
- A) Montelukast
- B) Salbutamol
- C) Beclomethasone
- D) Dextromethorphan
- Answer: B
- Mucolytic agents work by:
- A) Inhibiting inflammation
- B) Breaking down mucus
- C) Reducing histamine release
- D) Stimulating acetylcholine receptors
- Answer: B
- Which condition is treated with leukotriene receptor antagonists?
- A) Emphysema
- B) Pulmonary fibrosis
- C) Asthma
- D) Pneumonia
- Answer: C
- Corticosteroids are used in asthma primarily to:
- A) Decrease mucus production
- B) Reduce airway inflammation
- C) Prevent bronchospasm
- D) Increase lung capacity
- Answer: B
- Which of the following is not a common adverse effect of beta-2 agonists?
- A) Tremors
- B) Tachycardia
- C) Hypoglycemia
- D) Hypokalemia
- Answer: C
- The primary goal of using inhaled corticosteroids in asthma management is to:
- A) Provide immediate relief
- B) Reduce the frequency of symptoms
- C) Act as an antitussive
- D) Increase airway secretion
- Answer: B
- Which bronchodilator also acts as an anti-inflammatory agent?
- A) Salbutamol
- B) Montelukast
- C) Theophylline
- D) Cromolyn
- Answer: D
- Which medication class is often added to asthma treatment if symptoms persist despite corticosteroid therapy?
- A) Leukotriene receptor antagonists
- B) Antitussives
- C) Anticholinergics
- D) Mucolytics
- Answer: A
- Which condition is associated with elevated serum theophylline levels?
- A) Hypokalemia
- B) Hypotension
- C) Tachyarrhythmias
- D) Bronchoconstriction
- Answer: C
- Ipratropium is often used in combination with:
- A) Cromolyn
- B) Salbutamol
- C) Montelukast
- D) Theophylline
- Answer: B
- Which of the following is not indicated for the treatment of acute asthma attacks?
- A) Salbutamol
- B) Theophylline
- C) Beclomethasone
- D) Ipratropium
- Answer: C
- The use of inhaled corticosteroids may increase the risk of:
- A) Hypertension
- B) Osteoporosis
- C) Hyperglycemia
- D) Bradycardia
- Answer: B
- What is the preferred treatment for mild intermittent asthma?
- A) Long-acting beta-2 agonists
- B) Leukotriene antagonists
- C) Short-acting beta-2 agonists
- D) Systemic corticosteroids
- Answer: C
