Mcq Flashcards
(193 cards)
Which of the following is FALSE concerning the airflow in the lungs?
B. The acini have very small radii significantly increasing the total air flow resistance of the bronchial tree
Presentation of sarcoidosis… all are true except:
D. symptoms of hypercalcemia in 50% of cases
Acute exacerbation of COPD may present as all of the following except:
fever
Domanda: Which of the following will NOT increase the minute ventilation?
A. An increase in arterial pH
Which of the following is FALSE concerning the ventilation and perfusion of different regions ofthe lung?
Regional variation in ventilation?perfusion is more efficient for oxygenating blood than is uniform ventilation?perfusion
Which of the ing is FALSE ing the relationships of the variables; in diffusion of O2 across a membrane?
The lower the diffusion coefficient, the higher the total flow
Ho spital acquired pneumonia… all are wrong except:
include certain types of aspiration pneumonias
Feature suggestive of high mortality in pneumonias… all are true except:
B. blood urea more than 17 mg/L
Identify the incorrect statement
B. Respiratory muscles are more efficient than large muscle groups
Regarding community acquired pneumonia… identify the false statement
C. it is easy to differentiate between typical and atypical pneumonias
T he following microbiological investigations should be done in all cases of community acquired pneumonias… except one investigation:
B. pleural fluid aspirate
Which of the following is NOT true concerning respiratory distress syndrome in premature infants?
B. Alveoli tend to overexpand and sometimes burst at the end of inspiration
False negative tuberculin test may be seen in all of the following… except:
E. early in the course of TB meningitis
Which of the following statements about Hb is FALSE?
A. An increase in 2,3?DPG shifts the O2 uptake curve to the left
al veolar ventilation in a minute formula
Subtract the volume of dead space from the tidal volume and multiply it by the number of breaths per minute
Regarding the prognosis of COPD…all are true except:
. atopy patients have a bad prognosis
management of pneumonia… identify the false statement
looking for the development of complications is usually a minor thing
Which of the following does NOT apply to the alveoli at the base of the lungs?
They are less elastic than the alveoli at the apex
Cystic fibrosis… all are true except:
the commonest mutation is the delta 508 in CFTR gene on chromosome 6
COPD patients in air travel (select wrong answer)
Hypercapnia is an absolute contraindication to air travel
Bronchial asthma… in histopathological examination all are true except:
D. thickening of the basement membrane is rarely seen
differential diagnosis of pneumonia
paracolic abscess
COP
Is
characterized by bilateral, multifocal, patchy consolidation and ground?glass abnormalities with reverse halo/atoll sign as hallmark of disease
sarcoidosis (select wrong one)
A. STAGE 2 = lymphoadenopathy and parenchymal alterations (90%)