Respiration 8 Respiratory Diseases; Respiratory Distress Syndrome Allergic Rhinitis

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1. Properties of the mature lung that are conducive to gas exchange include: select INCORRECT statement

  • Highly compliant
  • Mature epithelial cells
  • Large area for gas exchange
  • Low resistance to blood flow.
  • Adenosine binding rate
  • Thin blood gas barrier
  • Highly vascular
  • Adequate surfactant
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Other questions in this quiz

2. In allergic rhinitis, initial contact with an allergen, such as pollen, sensitises the immune system and leads to the production of WHAT

  • IgF
  • IgE
  • IgA
  • IgG

3. Allergic Rhinitis-therapy include: select INCORRECT answer

  • Selective α1 adrenoceptor agonists to contract vascular smooth muscle and reduce congestion, given intranasally as spray or drops
    eg; phenylephrine, oxymetazoline
  • Antihistamines; H2 receptor antagonists
    eg; fexofenadine, cetirizine
  • Antihistamines; H1 receptor antagonists
    eg; fexofenadine, cetirizine
  • Anti-IgE; a monoclonal IgG antibody binds to the Fc domain of IgE in the circulation and prevents it binding to its high affinity receptor on mast cells
    eg; omalizumab (Xolair)

4. select an INCORRECT respiratory disease

  • Asthma
  • (respiratory distress syndrome)
  • (chronic obstructive pulmonary disease)
  • IRS (Inflammatory respiratory syndrome)
  • Allergic rhinitis

5. Inadequate lung development in babies born prematurely is a major cause of death in premature babies. Symptoms of RDS include cyanosis due to hypoxia, tachypnea, nasal flaring, intercostal and sternal retractions and grunt on exhalation. Increased breathi

  • insufficient lung surfactant
  • mature epithelial cells

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