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Final Physiology
| Question | Answer |
|---|---|
| Which of the following is a powerful poison that acts directly on any cell and quickly kills it? | lymphotoxin |
| The functions of the lymph nodes are | defense and hematopoiesis. |
| Memory cells: | become plasma cells when exposed to an antigen. |
| The immediate effect of a steroid hormone on a cell is the: | transcription of RNA. |
| Which of the following statements is not true of the pineal gland? | Melatonin is stimulated by the presence of sunlight. |
| Which of the following combinations in arterial blood could cause an increase in the respiratory rate? | Increased PCO2, decreased arterial pressure, decreased pH, decreased PO2 |
| Dalton law states that the partial pressure of a gas in a mixture of gases is _____ to the total pressure of the mixture. | directly related to the concentration of that gas in the mixture and |
| External respiration can be defined as: | pulmonary ventilation &the exchange of gases between the lung and the blood capillaries in the lung. |
| Ciliated cells lining the respiratory tract: | help move the mucus blanket toward the pharynx. |
| Which of the following constitutes total lung volume? | Residual volume and vital capacity |