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.
As mentioned above, age is a factor in determining whether your child is a qualifying child for your tax return. If your child is a student or is disabled, then you can claim him or her as a dependent as long as your child is under age 24. Otherwise, the child must be under 19 years old.However, there are other tests that allow you to claim a dependency exemption for your child.These are as follows:f your child is a student or is disabled, then you can claim him or her as a dependent as long as your child is under age 24. Otherwise, the child must be under 19 years old. However, there are other tests that allow you to claim a dependency exemption for your child. These are as follows: