Question

Which of the following root words means “stomach”? A. Chiro- B. Gastro- C. Cord- D. Dom-

Answer 1

The answer is: [B]: Gastro-
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(Note: Think: "gastrointestinal" (GI); 
                      "gastric bypass";
                      "GERD" (for "gastroesophageal reflex disease");
                      "gastroenterology" / "gastroenterologist";
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Answer choice [A]: "Chiro-"  refers to: "hand" (e.g. "chiropractor").
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Answer choice [C]: "Cord/o-"  refers to: "cord", or "spinal cord"; 
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Answer choice [D]: "Dom- " is either non-existent or little known
                                            (in terms of  medical terminology).
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Answer 2

B Gastro
Hope that helps