Which of the following is a relatively new respiratory disease caused by a virus that is very contagious and sometimes fatal? 

A. SARS
B. Sinusitis
C. SIDS
D. TB
E. RDS

A. SARS
Severe acute respiratory syndrome (SARS) is a respiratory disease that is very contagious and sometimes fatal. It was first identified in 2003.

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Proton pump inhibitors work by stopping the production of hydrogen ions (protons) in the parietal cells, which stops the for-mation of:

A. the intrinsic factor B. hydrochloric acid C. histamine D. serotonin

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The parts of the lymphatic system include the:

1 . spleen 2 . thymus gland 3 . lymph 4 . lymph nodes a. 1, 2, 3, 4 b. 2, 3, 4 c. 3, 4 d. 3 only

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