Chronic obstructive pulmonary disease (COPD) includes bronchitis and emphysema. Which row identifies the effects of bronchitis?
- AT-helper cells destroyed; bronchioles inflamed; infection absent
- BT-helper cells destroyed; bronchioles narrowed; infection present
- CT-helper cells increased; bronchioles scarred; infection present
- DT-helper cells increased; bronchioles stiffened; infection absent