Section: Multiple Choice 1. The normal microflora of the heart includes species of ________ A. Gram-positive bacteria. B. Gram-negative bacteria. C. fungi. D. viruses. E. None of the above 2. Which of the following is least likely to cause Septicemia leading to endotoxin-induced shock? A. Staphylococcus aureus B. Pseudomonas aeruginosa C. Klebsiella D. Proteus E. Serratia 3. Reddened streaks extending up a limb to the trunk would indicate the presence of ________ A. bacteremia. B. edema. C. lymphangitis. D. Lyme disease. E. septicemia. 4. Rheumatic fever caused by Streptococcus pyogenes most likely results from ________ A. the invasion of heart cells by bacteria. B. the growth of bacteria on heart cells without invasion. C. a reaction between heart antigens and antibodies against bacteria. D. viral infections of the heart muscle. E. a toxin produced by bacteria. 5. What causes septic shock? A. Staphylococcus aureus B. Any organism growing in the bloodstream C. Lipopolysaccharide from Gram-negative bacteria D. Teichoic acids from Gram-positive bacteria E. None of the above 6. What causes puerperal fever? A. Streptococcus pyogenes B. Staphylococcus aureus C. Pseudomonas aeruginosa D. Yersinia pestis E. None of the above 7. Gross enlargement of limbs (elephantiasis) is caused by the roundworm ________ A. Shistosoma japonicum. B. Shistosoma mansoni. C. Wuchereria bancrofti. D. Yersinia pestis. E. None of the above 8. What organism can cause cutaneous infections and can be transmitted by endospores? A. Staphylococcus aureus B. Pseudomonas aeruginosa C. Yersinia pestis D. Bacillus anthracis E. Streptococcus pyogenes 9. Which of the following statements is true of infection caused by Yersinia pestis? A. It can produce enlarged lymph nodes (buboes). B. It can infect the circulatory system, causing septicemia. C. It can cause pneumonia. D. It is called sylvatic plague in areas where it is carried by wild rodents. E. All of the above 10. A pathogen of both humans and cattle that causes undulant fever is a member of the genus ________ A. Yersinia. B. Borellia. C. Brucella. D. Pediculus. E. Streptococcus.
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- Submitted On 22 Mar, 2020 06:28:11