Respiratory HyprPaper – 1
January 12, 2021
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Question 1 of 48
1. Question
Which of the following statements concerning the airway is INCORRECT?
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Question 2 of 48
2. Question
Which of the following concerning congenital lesions of the respiratory tract is INCORRECT?
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Question 3 of 48
3. Question
Which one of the following aetiologic agents is causally related to juvenile laryngeal papillomatosis?
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Question 4 of 48
4. Question
Which one of the following pathologic entities is represented histologically by “non-neoplastic respiratory epithelium covering oedematous stroma that contains mucous glands, eosinophils, lymphocytes and plasma cells”?
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Question 5 of 48
5. Question
Which one of the following types of malignant tumour is most likely to occur following chronic exposure of the larynx to cigarette smoke?
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Question 6 of 48
6. Question
Ghon complex is comprised of Ghon focus and:
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Question 7 of 48
7. Question
This blood agar plate shows the overnight growth at 37oC from a throat swab collected from a 9 year old girl who complained of sore throat. Microscopy and sub-cultures from the agar plate revealed gram positive cocci which were catalase negative and bacitracin sensitive.
The agar plate shows:
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Question 8 of 48
8. Question
This blood agar plate shows the overnight growth at 37oC from a throat swab collected from a 9 year old girl who complained of sore throat. Microscopy and sub-cultures from the agar plate revealed gram positive cocci which were catalase negative and bacitracin sensitive.
The causative agent of pharyngitis in this case is:
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Question 9 of 48
9. Question
This blood agar plate shows the overnight growth at 37oC from a throat swab collected from a 9 year old girl who complained of sore throat. Microscopy and sub-cultures from the agar plate revealed gram positive cocci which were catalase negative and bacitracin sensitive.
The drug of choice for treatment of infection due to this organism is:
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Question 10 of 48
10. Question
ELEK Test
The agar plate shows the ELEK test which involves a reaction between antitoxin to an organism and known and unknown strains of the organism. The test was performed on a bacterial isolate from throat swab collected from a patient with pseudomembranous pharyngitis. Examine the plate and answer the question.
The most likely bacterial isolate from the throat swab is:
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Question 11 of 48
11. Question
ELEK Test
The agar plate shows the ELEK test which involves a reaction between antitoxin to anorganism and known and unknown strains of the organism. The test was performed on a bacterial isolate from throat swab collected from a patient with pseudomembranous pharyngitis. Examine the plate and answer the question.
What property of the organism is determined by the test?
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Question 12 of 48
12. Question
Which of the following represents appropriate prophylactic therapy for bronchial asthma?
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Question 13 of 48
13. Question
Which one of the following anatomical features is NOT part of the functional unit of the lungs?
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Question 14 of 48
14. Question
The anatomical dead space is represented by which of the following generations of the respiratory tree?
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Question 15 of 48
15. Question
Assuming that the percentage of dry oxygen in a chamber is 15% and the pressure in the chamber is 713 mmHg, which one of the following values would correctly represent the partial pressure of oxygen in the chamber?
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Question 16 of 48
16. Question
Which one of the following muscles makes the least contribution to the respiratory effort when a subject is at rest?
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Question 17 of 48
17. Question
Which one of the following statements regarding quiet inspiration is FALSE?
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Question 18 of 48
18. Question
Ligation of the phrenic nerve would result in all of the following changes EXCEPT?
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Question 19 of 48
19. Question
Compliance of the lungs is defined as:
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Question 20 of 48
20. Question
Which one of the following statements about the pressure-volume behaviour of the lung is FALSE?
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Question 21 of 48
21. Question
Which one of the following cell types produces pulmonary surfactant?
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Question 22 of 48
22. Question
Which one of the following statements about pulmonary surfactant is INCORRECT?
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Question 23 of 48
23. Question
According to Poiseuille’s Law reducing the radius of an airway to 1/3 will increase its resistance how many folds?
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Question 24 of 48
24. Question
The most important factor influencing flow rate during most of a forced expiration from total lung capacity is:
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Question 25 of 48
25. Question
The basal regions of the upright human lung are normally better ventilated than the upper regions because:
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Question 26 of 48
26. Question
All the following statements about the diffusing capacity of the lung are true EXCEPT:
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Question 27 of 48
27. Question
Which one of the following statements about the oxygen uptake in the lung is NOT correct
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Question 28 of 48
28. Question
If the ventilation-perfusion ratio of a lung unit is decreased by partial bronchial obstruction while the rest of the lung is unaltered, the affected lung unit will show:
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Question 29 of 48
29. Question
An increase in which one of the following factors increases the oxygen affinity of haemoglobin:
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Question 30 of 48
30. Question
A patient with severe anaemia has normal lungs. Which one of the following is most likely to be FALSE?
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Question 31 of 48
31. Question
A 44 year-old known asthmatic has presented to the Accident & Emergency Department with mild to moderate shortness of breath and non-productive cough. He is able to talk in full sentences though with some degree of distress. On examination, he has an audible wheeze and a diagnosis of asthmatic bronchitis with bronchosplasm is made. An arterial blood gases sample is taken before supplemental oxygen is administered to the patient. Which one of the following results would most likely match this patient’s condition?
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Question 32 of 48
32. Question
All of the following statements about the central chemoreceptors are true EXCEPT:
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Question 33 of 48
33. Question
Which one of the following stimuli is the most important in regulating the level of resting ventilation?
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Question 34 of 48
34. Question
Which one of the following statements about the Hering-Breuer inflation reflex is INCORRECT?
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Question 35 of 48
35. Question
All of the following statements about exercise are true EXCEPT:
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Question 36 of 48
36. Question
Which one of the following features of acclimatization to high altitude is INCORRECT?
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Question 37 of 48
37. Question
Helium-oxygen mixtures rather than nitrogen-oxygen mixtures(with the same oxygen concentration) are preferable for very deep diving because all of the following conditions are reduced EXCEPT:
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Question 38 of 48
38. Question
Which one of the following regarding the development of the pharyngeal apparatus is INCORRECT?
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Question 39 of 48
39. Question
Which one of the following statements regarding the derivatives of the pharyngeal clefts is INCORRECT?
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Question 40 of 48
40. Question
From which one of the following branchial arches are the cartilages of the larynx mainly derived?
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Question 41 of 48
41. Question
Which one of the following tests is used to confirm toxin production in a known isolate of Corynebacterium diphtheriae
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Question 42 of 48
42. Question
Which one of the following is the most common cause of pharyngitis in a child?
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Question 43 of 48
43. Question
In which one of the following culture media is the organism that causes Pertussis grows?
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Question 44 of 48
44. Question
Which one of the following Gram stain findings would you expect to be most common in the sputum of patients with community acquired pneumonia?
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Question 45 of 48
45. Question
Which one of the following test results best describes microscopic findings of the organism, Mycobacterium tuberculosis?
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Question 46 of 48
46. Question
A 40-year old man with a history of chronic sinusitis and dental caries presents to the hospital with fever and cough productive of yellow sputum. A cavitating abscess is seen in the lung on chest X-ray. In which of the follwoing lobes of the lung is the abscess most likely to be located?
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Question 47 of 48
47. Question
Which one of the following statements is correct regarding development of the nasolacrimal duct?
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Question 48 of 48
48. Question
Which one of the following statements concerning the laryngotracheal diverticulum is correct?
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