2009 end of module exam Flashcards
Which area is the best to cut for performing surgeries ?
endothoracic fascia
Patient with stony dullness , what should we do first?
Chest X-ray
Where can we get the withdrawl of fluid from the lung ?
- 9th intercostal space
Which muscle tenses the vocal cord during the hight pitch sound ?
- Crecothyroid muscle
What controls the appearance of Kyte-Shaped rima glottidis during forsed respiration ?
- Posterior arytenoid
Which structure causes deviation of nasal septum ?
- Vomer
- nasal bone
Vomer
Which is the deepest layer to put anesthesia ?
- Innermost layer
- parital pluera
- endothoracic fascia
- internal IC
- Innermost layer
When do you see the most negative pleural pressure ?
Total lung Capacity
At expiratory flow rate of 0.5 L/sec , esophageal balloon pressure was 7 cm H2O and at 6 months 8 cm H2O . R ?
- 1 cm H2O / L / sec
What does the fibrocalcific scar indicate in case of TB ?
- Healing in secodary TB
- broncho pneumonia
- ghon complex
- Healing in secodary TB
In which volume/capacity we find the lowest Raw
- TLC
A 7-yr old healthy boy has alveolar pressure on expiration = +1 . What is the alveolar pressure when inspiration ?
- -1
What is the most common cancer in men and women ?
- Men : lung Women : breast
What causes vasoconstriction in the lung ?
- high PCO2
- low PCO2
- blockage of Ca+ channels
- high PCO2
A patient with emphesima has 30% O2 by mask , PCO2 40 , PaO2 70 .
What is AaDO2?
- 164
Tutorial Question
- abnormal shunt
Patient on percussion was normal apart from the 6th ICS in right side
showed dullness . What is the cause ?
- Due to liver
Where are people with asthma affected ?
- Bronchioles
Which of the following drug is known to cause cough as side effect ?
- ACE inhibitor
What is the most common risk factor for reactivation of TB
- HIV
- old age
- HIV
TLC = 2.1 , FEV/FVC = 81% What does this indicate ?
Restrictive disease
What is the function of alpha antitrypsin ?
- prevent tissue damage caused by elastase
old man with long smoking history and squamas cell metaplasia
- chronic bronchitis
What is seen in biopsy in chronic bronchitis ?
- hyperplasia and hypertrophy pf mucus cells
Alveolar Ventilation = 5L , F = 10 , TV = 0.7
- dead space Volume = 2
Dissolved O2 = 21 , Hb = 150 , saturation = 90
- CO2 = 183
in which condition you see granuloma ?
- Pulmonary Sarcoidosis
What is mechanism of action of phenylephrine ?
- alpha agonist
What is mechanism of resistance to rifampicine ?
- mutation in the affinity to RNA polymerase
What causes high upper respiratory airway obstruction ?
- Laryngeal atresia
What is the main adverse effect of first generation anti histamin ?
- Sedation
What changes indicate active TB in chest X-ray ?
- thick cavity with infiltrates
- thin cavity without infiltrates
?
Most secondary generation antihistamines fight urticardia by ?
- decreasing vascular permeability
- inhibit release of histamine
- decreasing vascular permeability
What is the main function of ipratropium ?
*Muscorenic antagonist
What antibiotic that inhibits folate synthesis ?
cotrimoxazole
What protect B-lactams ?
Calvulinic Acid
Which anti TB drug affect synthesis of proteins ?
- capreomycin
What is the characteristic of ARDS ( acute respiratory distress syndrome )
- Hyaline membrane
What is the most protective cytokine in TB ?
- IF gamma
Whivh of the theraputic agents need to be activated by P450 in liver ?
- cyclophosphamide
Neclear medicine imaging tests are best effective in the diagnosis of ?
- bronchioectasis
What is the most cancer related to the release of hormone like substance ?
- small cell
- adenocarcinoma
- small cell
What is the function of secretory component of IgA ?
- protect against enzymatic degredation
What mediates bronchospasm ?
- Ca++
What is the role of surfactact in alveoli ?
- reduce surface tension
what surfactant protein causes innate immunity ?
- SP A
what causes inhibition of phosphodiesterase ?
Theophilline