Which is the following statements is true regarding fat embolism

Which is the following statements is true regarding fat embolism

a) Most patients with major trauma involving long bones have urinary fat globules.
b) All patients with urinary fat globules develop fat embolism.
c) Peak incidence of respiratory insufficiency for pulmonary fat embolism is around day 7 after injury.
d) Heparin as an anticoagulant decrease mortality and morbidity in fat embolism syndrome.

Answer 1