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Physiology
Week 14
| Question | Answer |
|---|---|
| The symbol HbNCOOH– is used for: | carbaminohemoglobin |
| Which of the following constitutes total lung volume | Residual volume and vital capacity |
| Which of the following helps determine the amount of oxygen that diffuses into the blood each minute? | The total functional surface area of the respiratory membrane, alveolar ventilation, and the oxygen pressure gradient between alveolar air and incoming pulmonary blood |
| Vital capacity is defined as the: | maximum volume of air that can be moved into and out of the lungs during forced respiration. |
| The intestinal hormone cholecystokinin: | Stimulates the contraction of the gallbladder, opposes the influence of gastrin on gastric parietal cells, and causes the pancreas to increase exocrine secretions high in enzyme content |
| The purpose of peristalsis is to: | propel food forward along the GI tract |
| Which of the following is not true of enzymes? | They change chemically and are in the end products of the reaction |
| The enterogastric reflex causes: | acceleration of gastric peristalsis |
| Which of the processes of mechanical digestion involves the esophagus? | Peristalsis and deglutition |
| The functions of the lymph nodes are | defense and hematopoiesis. |
| The primary organ of the lymphatic system is the | thymus |
| Recognition of antigens by antibodies occurs when an | antigen’s epitopes fit into and bind to an antigen molecule’s antigen-binding site. |