Respiratory System Practice Quiz For Um/Fau

42 Questions | Total Attempts: 1025

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Respiratory System Practice Quiz For Um/Fau

This test is a practice test designed for UM/FAU medical students getting ready for Respiratory test number two.


Questions and Answers
  • 1. 
    Which of the following are physical defense systems of the lung?
    • A. 

      Phagocytic, Immunologic, Cough reflex

    • B. 

      Cough reflex, Sneeze reflex, Upper airway filtering, Immunologic

    • C. 

      Immunologic, Phagocytic

    • D. 

      Upper airway filtering, Cough and Sneeze reflexes, mucociliary escalator

    • E. 

      Chuck Norris

  • 2. 
    A 64 year old former politician is seen by his primary care physician for pain on urination, wheezing, dyspnea, and cough productive of brown sputum.  He admits to trying marijuana, but "didn't inhale." He is diagnosed with aspergilloma and chlamydia.  Given that aspergillus particles are about 3.5 microns in diameter, in which part of the airway is the aspergillus likely to be lodged?
    • A. 

      Alveolus

    • B. 

      Capillary

    • C. 

      Bronchiole

    • D. 

      Trachea

  • 3. 
    Which of the following patients would you expect to have the worst mucociliary function?
    • A. 

      Young nonsmoker with influenza

    • B. 

      Young smoker with rhinovirus

    • C. 

      Smoker who lives in Mexico City

    • D. 

      Old smoker with chronic bronchitis

    • E. 

      Old ex-smoker who is an alcoholic

  • 4. 
    Which of these is not a phase of coughing?
    • A. 

      Expiratory

    • B. 

      Expressive

    • C. 

      Compressive

    • D. 

      Inspiratory

  • 5. 
    A 50 year old male presents with productive cough, fever, and chills.  His respiratory rate is 32.  The medical student on duty orders a CBC and the results show a WBC count of 20,000.  CXR shows a lobar consolidation.  Blood cultures return positive for Streptococcus pneumoniae.  Which of the following is/are true about S. pneumoniae?
    • A. 

      Abcesses and cavitations are common

    • B. 

      A blood culture is a highly sensitive test for S. pneumo

    • C. 

      Produces a protease that can cleave IgG

    • D. 

      The pneumovax vaccine can prevent all 84 serotypes

    • E. 

      S. pneumo is alpha hemolytic and does not grow well in the presence of optochin

  • 6. 
    Which of the following is/are true about Haemophilus influenza?
    • A. 

      Gram-negative bacillus, lacks polysaccharide capsule

    • B. 

      Colonizes upper respiratory tract, sputum sample is a highly specific test for H. flu

    • C. 

      Clinically similar to other Community Acquired Pneumonias, nearly eliminated in young children due to vaccination

    • D. 

      Rarely associated with COPD, requires blood containing medium for growth

  • 7. 
    This sample was isolated from a 75 year old woman in the ICU who has been on mechanical ventilation for 1 month following a viral infection.  Which of the following would you, as an astute medical student, expect to see in this patient?
    • A. 

      Positive sputum culture, negative blood culture

    • B. 

      CXR with multiple nodular infiltrates, skin lesions

    • C. 

      Catalase negative, coagulase positive

    • D. 

      Diarrhea, dry cough, rigors

    • E. 

      Myalgia, arthralgia, rash

  • 8. 
    A 70 year old woman presents to an inexperienced second year medical student with mild but persistent sinusitis, pharyngitis, and cough for the last few months.  The symptoms began in the summer.  CXR shows a streaky infiltrate.  The patient denies diarrhea, myalgias, arthralgias or rash.  Gram stain is unable to be attained but the wise old attending who already knows the diagnosis tells you that it would have been gram-negative.  What is the most likely diagnosis?
    • A. 

      Streptococcus pneumoniae

    • B. 

      Klebsiella pneumonia

    • C. 

      Mycoplasma pneumonia

    • D. 

      Legionella pneumonia

    • E. 

      Chlamydophila pneumonia

  • 9. 
    Which of the following statements about antibiotic treatment of pneumonia is/are true?
    • A. 

      Beta-lactams are only effective against organisms with a peptidoglycan cell wall, and are rarely subject to bacterial resistance

    • B. 

      Carbapenems are effective against gram-negatives, anaerobes, and gram-positives and are generally resistant to beta-lactamase cleavage.

    • C. 

      Monobactams are generally effective against gram-positives, but not gram negatives

    • D. 

      Azithromycin binds irreversibly to the 30 S subunit of bacterial ribosomes, and is active against atypical pathogens such as M. pneumoniae and C. pneumoniae

    • E. 

      Doxycycline binds irreversibly to the 50 S subunit of bacterial ribosomes and is effective against M. pneumoniae, S. pneumo, and Anthrax

  • 10. 
    Which of these is/are causes of hypoxemic-hypercapnic respiratory failure?
    • A. 

      Asthma

    • B. 

      ALS

    • C. 

      Idiopathic pulmonary fibrosis

    • D. 

      Obesity

    • E. 

      Pneumonia

  • 11. 
    A patient in the ICU has a PaO2 of 100 and an FiO2 of 40%.  The patient also has a normal PA wedge pressure and bilateral infiltrates on x-ray.  Which most accurately describes the most appropriate diagnosis and treatment of this patient?
    • A. 

      Acute lung injury, requires treatment

    • B. 

      ARDS, does not require treatment, send patient home

    • C. 

      ARDS, requires treatment

    • D. 

      Normal lung, send patient home

    • E. 

      Acute lung injury, does not require treatment, send patient home

  • 12. 
    Which of these patients would be indicated to receive mechanical ventilation?
    • A. 

      80 kg male with a tidal volume of 320 mL

    • B. 

      80 kg male with a tidal volume of 500mL

    • C. 

      80 kg male with a vital capacity of 1550 mL

    • D. 

      80 kg male with a PCO2 of 48

    • E. 

      80 kg male with a a minute ventilation of 11 L/min

  • 13. 
    Which of these is a disadvantage of pressure controlled ventilation?
    • A. 

      Can control inspiratory pressure level and I:E ratio

    • B. 

      Optimal patient synchronization

    • C. 

      Reduced airway pressures

    • D. 

      Unable to control minute ventilation

    • E. 

      Less likely to induce pneumothorax

  • 14. 
    Which of the following is not one of the common constitutional symptoms of reactivation TB?
    • A. 

      Anorexia

    • B. 

      Fever

    • C. 

      Unintentional weight loss

    • D. 

      Headache

    • E. 

      Night sweats

  • 15. 
    Which statement is true regarding patients with latent TB infections?
    • A. 

      Will not test positive on a PPD test

    • B. 

      Not at increased risk for developing active TB later in life

    • C. 

      They are currently contagious

    • D. 

      Show normal symptoms of active TB

    • E. 

      Should be treated with Isoniazid for 9 months

  • 16. 
    Which statement is true regarding TB treatment regimens?
    • A. 

      There is no resistance to the rifampin or isoniazid

    • B. 

      After the initial phase of two months, if symptoms are gone, treatment is ended

    • C. 

      Cavitation on CXR indicates a good prognosis

    • D. 

      One touch of Tim Tebow's garment instantly cures TB

    • E. 

      Rifampin, which inhibits RNA synthesis, and Isoniazid, which inhibits cell wall synthesis, are the 'anchors' of TB treatment

  • 17. 
    Which of the following pulmonary diseases is properly matched up with the CD4 count (cells/mm3) it is associated with in HIV patients?
    • A. 

      Sinusitis: only at

    • B. 

      PCP:

    • C. 

      CMV:

    • D. 

      Bacterial pneumonia: relationship with CD4 count not well established

    • E. 

      TB: only at

  • 18. 
    True or false:  A negative PPD test rules out TB in a patient with AIDS.
    • A. 

      True

    • B. 

      False

  • 19. 
    A 71-year-old male resident of Minnesota regularly spends several winter months in Arizona to play golf in the sun. Last March he experienced a gradual onset of fever and a headache, followed by a nonproductive cough, myalgia, and profound fatigue. His local physician diagnosed bronchopneumonia on chest x-ray and prescribed azithromycin. The antibiotic provided no benefit, and ultimately the patient received two more courses of different empiric antibiotics. He returned to Minnesota with continued cough and fatigue, even though the fever had abated somewhat. Two months following the initial onset of symptoms, a bronchoscopy was performed.  What would you expect to see growing in culture?
    • A. 

      Blastomycosis

    • B. 

      Coccidiomycosis

    • C. 

      Aspergillus

    • D. 

      Cryptococcus

    • E. 

      Staphylococcus aureus

  • 20. 
    A 34-year-old man with a history of sex with men presents with 3 weeks of worsening dyspnea associated with fevers and a non-productive cough. He is tachycardic, tachypneic and has a temperature of 100.5°F (38.1°C). His pulse oximetry is 86% on room air. He appears thin and in moderate respiratory distress. His lung examination is unremarkable.  Patient lives in Arkansas, and denies recent travel.  Chest x-ray shows bilateral symmetrical interstitial infiltrates.  LDH is measured at 250 IU/L.  A-a O2 gradient is elevated.  What is the diagnosis?
    • A. 

      Sarcoidosis

    • B. 

      Coccidiomycosis

    • C. 

      MAC

    • D. 

      Streptococcus pneumoniae

    • E. 

      Pneumocystis jiroveci

  • 21. 
    A:    B:     Which of these are suspicious for cancer?
    • A. 

      A only

    • B. 

      B only

    • C. 

      A and B

    • D. 

      Neither A nor B

    • E. 

      What's cancer?

  • 22. 
    The patient with the above angiogram has a BP of 80/60, and is determined to be hemodynamically unstable.  What treatment is indicated?
    • A. 

      Aspirin

    • B. 

      Thrombolytics

    • C. 

      Supportive treatment only

    • D. 

      Heparin

    • E. 

      Medical marijuana

  • 23. 
    Select each answer choice that would be part of the differential diagnosis for this patient.
    • A. 

      Thyroid enlargement

    • B. 

      Terrible lymphoma

    • C. 

      Aneurysm

    • D. 

      Neurogenic tumor

    • E. 

      Thymoma

  • 24. 
    Justin Bieber walks into your office and describes symptoms of hoarseness and lack of vocal control.  Flexible laryngoscopy is performed yielding the above image.  Which of the following treatments would you advise at this time?
    • A. 

      Voice rest

    • B. 

      Antacids

    • C. 

      Speech therapy

    • D. 

      A and C

    • E. 

      All of the above

  • 25. 
    What is the most common type of cancer in the head and neck?
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