test bank for mechanism of microbial pathogenicity

test bank for mechanism of microbial pathogenicity Multiple Choice 1. Where does oxygenated blood enter the heart? A. the left atrium* B. the left ventricle C. the right atrium D. the right ventricle Difficulty: Easy ASM Standard: N/A 2. Which artery carries deoxygenated blood? A. aorta B. femoral C. pulmonary* D. subclavian Difficulty: Easy ASM Standard: N/A 3. Which of the following is an infection of the inner lining of the heart? A. endocarditis* B. myocarditis C. pericarditis D. vasculitis Difficulty: Easy ASM Standard: 23 4. Which pathogen causes toxic shock syndrome? A. Enterococcus faecalis B. Pseudomonas aeruginosa C. Staphylococcus aureus* D. Vibrio cholerae Difficulty: Easy ASM Standard: 23 5. Which pathogen causes gas gangrene? A. Bacillus spp. B. Clostridium spp.* C. Staphylococcus spp. D. Streptococcus spp. Difficulty: Easy ASM Standard: 23 6. What is another name for tularemia? A. brucellosis B. rabbit fever* C. toxic shock syndrome D. Valley fever Difficulty: Easy ASM Standard: 23 7. The gram-negative bacterium Yersinia pestis causes which disease(s)? A. bubonic plague only B. bubonic and septicemic plague only C. pneumonic and septicemic plague only D. bubonic, pneumonia, and septicemic plague* Difficulty: Easy ASM Standard: 23 8. Which of the following infections is transmitted by ticks? A. brucellosis B. ehrlichiosis* C. plague D. rat bite fever Difficulty: Easy ASM Standard: N/A 9. Which organ of the human body removes damaged red blood cells? A. heart B. kidneys C. liver* D. pancreas Difficulty: Moderate ASM Standard: N/A 10. Which of the following is true of lymphatic fluid? A. It contains erythrocytes. B. It is sterile. C. It travels at slower speeds than blood.* D. Its fluid composition is very different from plasma. Difficulty: Moderate ASM Standard: N/A 11. Which of the following is a type of primary lymphoid tissue? A. bone marrow* B. diffuse lymphoid tissue C. lymph nodes D. the spleen Difficulty: Moderate ASM Standard: N/A 12. What is a dangerous drop in blood pressure associated with infection called? A. bacteremia B. hypotensive shock C. sepsis D. septic shock* Difficulty: Moderate ASM Standard: 23 13. Which of the following is true of staphylococcal toxic shock syndrome? A. Most infected individuals have negative serological tests even if infected. B. Most infected individuals hTaEvSe nTeBgAatNivKeSskEinLaLnEdRCodOcMultures.* C. Most infected individuals test negative, so clinical symptoms are used for diagnosis. D. Most infected individuals test positive in both serological tests and cultures. Difficulty: Moderate ASM Standard: 23 14. Instead of basing diagnosis solely on clinical symptoms and patient history, what common approach is used to confirm a tularemia infection? A. culturing techniques B. direct fluorescent antibody microscopic examination* C. light microscopy and Gram staining. D. phase-contrast microscopy Difficulty: Moderate ASM Standard: 6, 23 15. Which of the following individuals would be most likely to receive antibiotics for cat scratch disease? A. an individual likely to be repeatedly exposed to infected cats B. an individual undergoing cancer treatment simultaneously* C. an individual who exhibits a fever D. an individual who develops pus nodules at the site of the scratch