Please help quickly thanks

Which of the following does not make up ground substance of connective tissue? hyaluronic acid elastic fibers glycosaminoglycan proteoglycan

What do your cells need to live? a. carbon dioxide b. carbon c. air d. oxygen

An x-ray is performed for pain in the left little finger. this is the initial encounter for this visit. the x-ray report shows a fractured distal phalanx that is dislocated. what icd-10-cm code(s) is/are reported?