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Week 15 Physiology
SET 2
| Question | Answer |
|---|---|
| Stimulation of gastric juice secretions occurs in what phases? | Cephalic, gastric, intestinal |
| Fats and other nutrients in the duodenum stimulate the intestinal mucosa to release a hormone: | Gastric inhibitory peptide |
| What is hydrolysis? | The chemical process in which a compound unites with water and then splits into simpler compounds |
| If the tidal volume of a given individual is 500 ml, then the anatomical dead space is approximately _____ ml. | 150 |
| Ciliated cells lining the respiratory tract: | help move the mucus blanket toward the pharynx. |
| Standard atmospheric pressure is _____ mm Hg. | 760 |
| About 98.5% of the oxygen carried by systemic arterial blood is attached to: | Hemoglobin. |
| By the time the blood leaves the lung capillaries to return to the heart, what percentage of the blood’s hemoglobin has united with oxygen? | 97% |
| One hundred milliliters of arterial blood contains approximately what volume percent of oxygen? | 20% |
| Which oxygen-binding protein helps move oxygen out of the blood and into muscle cells? | Myoglobin |
| The Bohr effect: | A right shift of the oxygen-hemoglobin dissociation curve due to increased partial pressure of carbon dioxide |
| During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? | It flows into the inferior vena cava. |
| Inotropic factors affect the strength of | Myocardial contractions |