Answer the following statements true (T) or false (F)
1. The average individual has 500 ml of residual volume in his lungs
2. Atelectasis (lung collapse) renders the lung useless for ventilation.
3. The Hering-Breuer reflex is a potentially dangerous response that may cause overinflation of the lung.
4. Strong emotions and pain acting through the limbic system activate sympathetic centers in the hypothalamus, thus modulating respiratory rate and depth by sending signals to the respiratory centers.
5. As carbon dioxide enters systemic blood, it causes more oxygen to dissociate from hemoglobin (the Haldane effect), which in turn allows more CO2 to combine with hemoglobin and more bicarbonate ion to be generated (the Bohr effect).
1. FALSE
2. TRUE
3. FALSE
4. TRUE
5. FALSE
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