A patient will undergo bronchial provocation testing with methacholine chloride (Provocholine). Baseline spirometry reveals the FVC is 4.00 L and FEV1 is 3.00 L.The provocative dose 20% (PD20) can be calculated when which of the following measurements occur?
A. The FVC falls below 3.20 L, or the FEV1 falls below 2.40 L.
B. The FEV, falls below 2.40 L, regardless of change in FVC.
C. The FVC falls below 3.20 L and the FEV1 falls below 2.40 L.
D. The ratio FEV1/FVC falls below 0.8.
A patient will undergo bronchial provocation testing with methacholine chloride (Provocholine). Baseline spirometry reve
-
answerhappygod
- Site Admin
- Posts: 899604
- Joined: Mon Aug 02, 2021 8:13 am
A patient will undergo bronchial provocation testing with methacholine chloride (Provocholine). Baseline spirometry reve
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!