Author information: (1)Dr. von Hauner Childrens' Hospital, Ludwig Maximilians University, Munich, Germany. Pulmonary surfactant is a complex and highly surface active material composed of lipids and proteins which is found in the fluid lining the alveolar surface of the lungs.
You must meet several criteria to qualify for the child and dependent care credit. To qualify, you must meet all of the following: 1  You (and your spouse, if you are married filing jointly) must have earned income for the tax year.  You must be the custodial parent or main caretaker of the child or dependent.
Divorced parents cannot split the tax deduction for a child. The Internal Revenue Service published guidelines for who can claim a dependent child, and those guidelines do offer some flexibility in who can claim the deductions. However, the custodial parent is the one who can claim the deduction in most cases. If you are a divorced parent with joint custody of a child, learn all of the options for tax deductions.