I n t e r n a L medicine questions Bank

Answer: D. Onset of asthma early in life.

9. 
   The main mechanism of dyspnea is
   

11. 
    Hypercapnia.
    
12. 
    Alkalosis.
    
13. 
    Increased work of breathing.
    
14. 
    Increased deoxygenated hemoglobin.
    
15. 
    Hypoxia .
    

Answer: A? Hypercapnia  metabolic acidosis?. For hypoxia and deoxygenated hemoglobin, it is true that they
cause dyspnea. But in metabolic acidosis, for example, there is no hypoxia. Nonetheless, there is “dyspnea”.

9. 
   All of the followings are true combination between a risk factor and pathogens causing pneumonia EXCEPT :
   

1. 
   Alcoholism and klebsella pneumonia
   
2. 
   Old age and mycoplasma pneumonia
   
3. 
   Cigarette smoking and H .infleunza
   
4. 
   Mechanical ventilation and pseudomonal pneumonia.
   
5. 
   Abnormal level of consciousness and anaerobic bacteria
   

Answer: B (Mycoplasma  Young, otherwise healthy patients).

9. 
   This is atypical part of 8 hours polysomnography for a 45 year old male patient
   

What is the diagnosis of this patient?

1. 
   Narcolepsy.
   
2. 
   Central apnea
   
3. 
   Obstructive sleep apnea.
   
4. 
   Mixed apnea .
   
5. 
   Hypopnea
   

| Page