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Study Stack 2 Physio
Weeks 7-13
| Question | Answer |
|---|---|
| The active transport mechanism in the plasma membrane that transports sodium and potassium ions in opposite directions and at different rates is the | sodium-potassium pump. |
| The outside of the plasma membrane is negatively charged, and the inside is positively charged. | action potential |
| Which cranial nerves are involved in proprioception except which one | vagus nerve |
| Normal infants will show the Babinski reflex up to the age of _____ years. | 1 |
| Which is not true of the hormone somatostatin? | It stimulates the secretion of insulin. |
| During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? | It flows into the inferior vena cava. |
| The vagus is said to act as a “brake” on the heart. This situation is called | vagal inhibition. |
| Which of the following is a powerful poison that acts directly on any cell and quickly kills it? | lymphotoxin |
| The vital capacity is equal to the sum of the: | inspiratory reserve volume, tidal volume, and expiratory reserve volume. |
| Ciliated cells lining the respiratory tract: | help move the mucus blanket toward the pharynx. |