What does increasing sympathetic tone do to the respiratory system?
What does increasing sympathetic tone do to the respiratory system?
| B. It increase pulmonary perfusion by increasing cardiac output. | ||
| A. It increases blood pressure by contracting arterial smooth muscles, thus increasing pulmonary blood flow. | ||
| C. It decreases pulmonary ventilation by bronchoconstriction. | ||
| D. It increases pulmonary ventilation by bronchodilation. |
