Chapter 25: Circulatory and Lymphatic System
Infections
* = Correct answer
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
2. Which artery carries deoxygenated blood?
A. aorta
B. femoral
C. pulmonary*
D. subclavian
3. Which of the following is an infection of the inner lining of the heart?
A. endocarditis*
B. myocarditis
C. pericarditis
D. vasculitis
4. Which pathogen causes toxic shock syndrome?
A. Enterococcus faecalis
B. Pseudomonas aeruginosa
C. Staphylococcus aureus*
D. Vibrio cholerae
5. Which pathogen causes gas gangrene?
A. Bacillus spp.
B. Clostridium spp.*
C. Staphylococcus spp.
D. Streptococcus spp.
6. What is another name for tularemia?
A. brucellosis
B. rabbit fever*
C. toxic shock syndrome
D. Valley fever
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
8. Which of the following infections is transmitted by ticks?
A. brucellosis
B. ehrlichiosis*
C. plague
D. rat bite fever
9. Which organ of the human body removes damaged red blood cells?
A. heart
B. kidneys
C. liver*
D. pancreas
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.
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
12. What is a dangerous drop in blood pressure associated with infection called?
A. bacteremia
B. hypotensive shock
C. sepsis
D. septic shock*
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 have negative skin and blood cultures*
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.
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
15. Which of the following individuals would be most likely to receive antibiotics for cat