2017 end of module exam Flashcards
Which of the following receptors is strongly associated with a coughing reflex due to an object irritating the respiratory tract?
A- C-fiber receptors
B- Alpha/Gamma receptors
C- Rapidly adapting receptors
D- Strong cough mechanoreceptors
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56 yr old Indian woman presented with chronic cough, night sweets, and weight loss (for four months *not sure*) she took isoniazid only but here condition relapse
- S. Pneumonia
- M. Pneumonia
- MTB
- MTB
Of those with LITB (non-HIV) what is the % that they will get the disease again
-
What is the source of infection with MTB among older people in developing countries?
A) Activation of latent TB
B) Crowded household and workplace
C) Living with a patient with TB
D) Unavailability of anti-TB drugs
-B) Crowded household and workplace
Which lipoxygenase requires flap for its activity?
- -lipoxinA4
- -leukotrien
- -5-Lipoxygenase
- -5-Lipoxygenase
low o2 low co2 dlco 22 (predicted 28)
- hypoventilation
- diffusion limitation
- shunt
- v/q
- diffusion limitation
Which of the following nucleic base is mostly affected with the exposure of aromatic hydrocarbons
A- Adenine
B- Guanine
C- thymine
D- cytosine
B- Guanine
A 45 yr old female asian origin non smoker with peripheral mass on x ray. Fine need aspirate indicates adenocarcinoma. Which mutation determines the response to tyrosine kinase inhibitors?
- EGFR
- P53
- KRAS
- EGFR
A 5 year old boy with symptoms of epiglottitis. Gram stain shows gram negative cocobacilli. What is the causative agent?
- S. Pneumoniae
- H. Influenzae
- Neisseria meningitis
- H. Influenzae
S. pneumonia is gram +ve, lancet shaped
N. meningitis is gram -ve, coccus
What is the final phase in the pathophysiology of interstitial lung disease?
A) accumulation of WBS in the interstitial space
B) accumulation of protein rich fluid in the interstitial space
C) accumulation of macrophages in the interstitial space
D) destruction of alveolar septum
E) diffuse interstitial fibrosis leading to honeycomb appearance
D) destruction of alveolar septum
Which drug class causes adrenal suppression in children?
A. Xanthine derivatives
B. Corticosteroids
C. Anti-leukotrienes
D. B2 adrenoreceptor agonists
E. Muscuranic receptor antagonists
B. Corticosteroids
A 5 year old came to the ER with epiglottitis and lab investigations were done and came back with gram negative cocobacilli what is the causative agent?
A- streptococcus agalactiae
B- neisseria gonorrhoeae
C-streptococcus pneumoniae
D- haemophilus influenzae
D- haemophilus influenzae
What is the action of antihistamine in treatment of acute urticaria?
B. Block release of histamine from mast cells
C.block vascular permeability
C.block vascular permeability
Subpleural pulmonary lesion and associated enlarged hilar lymph node that underwent calcification in a person with tb
- ghons focus
- Ghons complex
- Simon focus
- Ranke complex
- Ranke complex
What’s the component of surfactant that plays a major role in reduce the Surface tension?
DPPC ( dipalmitoylphosphatidylcholine )
Drug of choice in a Pt with strep pharyngitis who is allergic to penicillin
A. Acyclovir
B. Cefotaxime
C. Ampicillin
D. Erythromycin
C. Ampicillin
what is the most appropriate drug to treat motion sickness ?
A diphenhydramine
B doxylamine
C laratidine
A
Which nerve innervates the peripheral part of the diaphragm?
- Vagus
- Intercostal
- Phrenic
- Intercostal
70 year old healthy man with progressive dyspnea for last few months. On Xray he had diffuse reticular pattern. What is the proper investigation to do ?
- Positron emission limited
- Ultra-scan chest
- HRCT scan
- V/Q nuclear study
Which muscle elevate the larynx?
Mylohyoid
In cardiopulmonary test ; as hr increases oxygen pulse and vo2 increase, in which case does a rapid increase in hr happen with very slight increase in vo2 and oxygen pulse?
- Anxiety
- Low sv
- Something related to ventilation
A 23 year old male presented with 6 months of intermittent symptoms of coughing, wheezing, and chest tightness. There was no fever or weight loss. He smokes 20 ciggs per day since the age of 17. His chest radiograph was normal. Physical examination revealed bilateral prolonged expiratory phase with wheezing. What is the next best step in diagnosis?
A) Pre and Post Spirometry
B) Methacholine challenge test
C) measurement of lung volumes
D) DLCO measurement
What happens to the blood gases when living in high altitude for a long period of time
- High CO2 high HCO3
- No change
- Low CO2 low CO3
- Low CO2 high CO3
In the supressive action of cough, why is dextromethorphan better than codeine?
A. It can be taken orally
B. It also has an expectorant effect
C. It also has analgesic effects
D. It doesn’t inhibit ciliary activity
E. It doesn’t penetrate the CNS
What is the diagnostic feature of biopsy of middle aged man with progressive chronic bronchitis?
Hyperplasia of mucus gland in bronchial wall
if perfusion was almost zero, and ventilation is preserved, what happens to PAO2?
A) close to atmospheric oxygen
B) close to zero
20 year old female, persistent cough and hemoptysis. Bronchoscopy showed round mass protruding into the bronchi. Biopsy showed monomorphic cells with salt and pepper chromatin. What other morphological feature would you expect
- High mucin content
- High keratin
- Collagen
- Adenoid tissue
- Neuro secretory granules
- Neuro secretory granules
Which structure is mainly affected in emphysema?
- Primary bronchi
- Secondary bronchi
- Bronchioles
- Alveoli
- Alveoli
Which nerve carries general sensation of periphral diaghragm ?
- Lower intercostal
- Vagus nerve
- Upper limb nerve
- Phrenic nerve
- Lower intercostal
In which respiratory disease does the diffusing capacity of carbon monoxide DLCO often increases
- ideopathic pulmonary fibrosis
- chronic bronchitis
- asthma
- compression of the pulmonary artery
- asthma
Which of the following play a role in preventing net fluid drainage from pulmonary capillaries?
High oncotic pressure
Why is it more common for abcesses to form in the right lung
- Recieves less blood flow
- Right main bronchus is more vertical
- has 2 lobes
- has less branches from bronchus
2, Right main bronchus is more vertical