The small bean-shaped bodies into which the lymphatic vessels drain are the

The small bean-shaped bodies into which the lymphatic vessels drain are the
 
  A. lymph nodes.
  B. adrenals.
  C. subclavian veins.
  D. valves.

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Bacteria are present on the body
 
  A. only during disease-causing infections.
  B. constantly.
  C. only in certain restricted areas.
  D. never.

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A visible red streak in an infected hand or foot is referred to as
 
  A. septicemia.
  B. bacteremia.
  C. lymphangitis.
  D. edema.

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Which organism may be implicated in arteriosclerosis?
 
  A. Escherichia coli
  B. Pseudomonas aeruginosa
  C. Staphylococcus aureus
  D. Chlamydia pneumoniae

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The fluid which bathes and nourishes the tissue cells is the
 
  A. cytoplasm.
  B. lymph.
  C. blood.
  D. interstitial fluid.