Which of the following allows for smooth movement of bone surfaces against one another at joints?

What is the 5-year survival rate for patients with untreated idiopathic pulmonary artery hyperten-sion (IPAH)?

a. 33% b. 44% c. 55% d. 66%

What time does the fibroproliferative phase of ARDS typically present?

a. Between days 1 and 7 b. After 3 days to weeks c. After 3 weeks d. After 1 month