Use the Following Case Study to Answer Questions

Use the following case study to answer questions
These questions require comprehension of various sections of the chapter to answer, but are placed together here to keep them together with the case study.Specifically, questions 42-43 test on "What causes osteoporosis?" and 44-50 test on "Are you at risk?"
Case Study: Yun Jung is a 56-year-old postmenopausal fashion designer from Korea.She is visiting the U.S.for the first time and is having a bit of a challenge adjusting to the food available.She admits she is not very active but does try to eat healthy.She has always been thin and is currently 5' tall and weighs 95 lbs.Her diet typically consists mostly of rice, lots of vegetables (except she doesn't like spinach or greens) , soy, a little fish, and lots of tea.She is not lactose intolerant.On a sight-seeing trip, she twisted her left ankle and fell.She was taken to the emergency room and was shocked to find that she had fractured her left fibula.The x-ray confirmed type 1 osteoporosis.
-What biological factors predisposed Yun Jung to osteoporosis?

A) Sex, age, ethnicity, low estrogen levels
B) Age, ethnicity, body size, smoking
C) Body size, ethnicity, sex, inactivity
D) Sex, age, body size, ethnicity