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Stack #4586905
| Question | Answer |
|---|---|
| The heart begins beating in the fetus at about what stage of development? | After about 4 weeks |
| The vagus is said to act as a “brake” on the heart. This situation is called | vagal inhibition |
| In the extrinsic pathway of stage 1 of the clotting mechanism, chemicals released from damaged tissues trigger the cascade of events that ultimately result in the formation of | prothrombin activator. |
| Which of the following is not a means of transporting oxygen in the blood? | Combined with the bicarbonate ion (HCO3– |
| Ciliated cells lining the respiratory tract: | Help move mucus |
| Gas exchange, the lungs’ main and vital function, takes place in the: | Aveoli |
| When classified according to the kind of chemical reactions catalyzed, digestive enzymes are referred to as _____ enzymes. | hydrolyzing |
| The hormone thought to be a messenger causing release of digestive enzymes from the intestinal mucosa is: | vasoactive intestinal peptide |
| Which of the following is not one of the openings that must be blocked when food moves from the pharynx into the esophagus? | Oropharynx |
| The act of expelling feces is called | defecation |
| Fats and other nutrients in the duodenum stimulate the intestinal mucosa to release a hormone called | gastric inhibitory peptide |
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