Chapter 24 MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question 1 Which one of the following is an irregular gram positive rod A Bordetella pertussis B Pneumocystis jirovecii C Burkholderia pseudomallei D Corynebacterium diphtheriae E Streptococcus pyogenes Answer D 2 The patient is suffocating because of the accumulation of dead tissue and fibrin in her throat What is the etiology of the symptoms A Corynebacterium B Bordetella C Haemophilus D Mycobacterium E The answer cannot be determined based on the information provided Answer A 3 A patient who presents with red throat and tonsils can be diagnosed as having A scarlet fever B the common cold C diphtheria D streptococcal pharyngitis E The answer cannot be determined based on the information provided Answer E 4 Which of the following is mismatched A Q fever Rickettsia B psittacosis Chlamydia C melioidosis Burkholderia D epiglottitis Haemophilus E whooping cough Bordetella Answer A 5 Members of the group A streptococci GAS cause all of the following EXCEPT A strep throat B scarlet fever C pharyngitis D epiglottitis E rheumatic fever Answer D 1 6 A patient has a paroxysmal cough and mucus accumulation What is the etiology of the symptoms A Mycoplasma B Corynebacterium C Bordetella D Burkholderia E Mycobacterium Answer C 7 Microscopic examination of a lung biopsy shows spherules What is the etiology of the symptoms A Pneumocystis B Blastomyces C Mycobacterium D Histoplasma E Coccidioides Answer E 8 Which of the following is responsible for epidemics of respiratory disease in infants A rhinovirus B influenza C Mycoplasma D respiratory syncytial virus E adenovirus Answer D 9 Which of the following statements about mycoplasmal pneumonia is TRUE A The symptoms resemble pneumococcal pneumonia B The causative agent is a virus C Annual vaccination can prevent infection D Treatment is tetracyclines E The causative agent cannot be cultured Answer D 10 All of the following are used as first line drugs for treating tuberculosis EXCEPT A pyrazinamide B fluoroquinolones C ethambutol D rifampin E isoniazid Answer B 11 Which of the following causes opportunistic infections in AIDS patients A Pneumocystis B Aspergillus C Mucor D Rhizopus E All of the answers are correct Answer E 2 12 Legionella is transmitted by A fomites B airborne transmission C vectors D person to person contact E foodborne transmission Answer B 13 All of the following are classified as fungi EXCEPT A Pneumocystis B Blastomyces C Coccidioides D Histoplasma E Mycobacterium Answer E 14 Inhalation of arthroconidia is responsible for infection by which of the following organisms A Mycoplasma B Coccidioides C Chlamydophila D Blastomyces E Streptococcus Answer B 15 The patient is suffocating because of an inflamed epiglottis What is the etiology of the symptoms A RSV B Bordetella C Mycobacterium D Corynebacterium E Haemophilus Answer E 16 Which of the following is mismatched A Haemophilus gram negative rod B Mycobacterium acid fast rod C Corynebacterium gram positive rod D Bordetella gram negative pleomorphic rod E Mycoplasma gram positive pleomorphic rod Answer E 17 Which of the following is an opportunistic pathogen A Mycoplasma B Histoplasma C rhinovirus D Legionella E Pneumocystis Answer E 3 18 All of the following can lead to a positive tuberculin skin test EXCEPT A vaccination B previous tuberculosis infection C immunity to tuberculosis D current tuberculosis infection E being near someone with tuberculosis Answer E 19 Which one of the following produces the most potent exotoxin A Mycobacterium tuberculosis B Corynebacterium diphtheriae C Bordetella pertussis D Streptococcus pneumoniae E Streptococcus pyogenes Answer B 20 The patient has a sore throat What is the etiology of the symptoms A Bordetella B Rhinovirus C Corynebacterium D Streptococcus E The answer cannot be determined based on the information provided Answer E 21 Which one of the following causes a disease characterized by a red rash A Mycoplasma B Streptococcus C Coccidioides D Blastomyces E RSV Answer B 22 The primary victims of the influenza pandemic of 1918 1919 were A infants and the elderly B residents of the U S C members of the military D residents of Spain therefore it was known as the Spanish Flu E young adults Answer E 23 Infection by which of the following results in the formation of Ghon complexes A Mycobacterium tuberculosis B Streptococcus pyogenes C Corynebacterium diphtheriae D Blastomyces dermatidis E Bordetella pertussis Answer A 4 24 Which one of the following causes a disease characterized by the catarrhal paroxysmal and convalescent stages A Corynebacterium diphtheriae B Mycobacterium tuberculosis C Bordetella pertussis D Streptococcus pyogenes E respiratory syncytial virus Answer C 25 Which of the following requires treatment with both antibiotics and antitoxins A tuberculosis B diphtheria C psittacosis D whooping cough E scarlet fever Answer B 26 Which of the following microorganisms causes symptoms most like tuberculosis A Influenzavirus B Legionella C Histoplasma D Mycoplasma E Coccidioides Answer C 27 The most effective means of preventing influenza is A vector control B annual vaccination C administration of amantadine D pasteurization of milk E isolation of carriers Answer B 28 A patient has fever difficulty breathing chest pains fluid in the alveoli and a positive tuberculin skin test Gram positive cocci are isolated from the sputum The patient most likely has A pneumococcal pneumonia B mycoplasmal pneumonia C the common cold D tuberculosis E influenza Answer A 29 Which of the following etiologic agents results in the formation of abscesses A Staphylococcus B Blastomyces C Coccidioides D Streptococcus E Mycoplasma Answer B 5 30 Which one of the following produces small fried egg colonies on medium containing horse serum and yeast extract A Mycobacterium B Chlamydophila C Legionella D Mycoplasma E Streptococcus Answer D 31 Which of the following is NOT a typical symptom of influenza A chills B fever C headache D muscle aches E diarrhea Answer E 32 Which of the following diseases is NOT correctly matched to its vaccine A whooping cough heat killed bacteria B pneumococcal pneumonia capsular polysaccharides C diphtheria toxoid D influenza viruses grown in embryonated eggs E tuberculosis toxoid Answer E 33 Infection by which of the following is often confused with viral pneumonia A Mycobacterium B Mycoplasma C Blastomyces D Coccidioides E