<prompt> Megaloblastic anemia, glossitis, pharyngeal ulcers, and impaired immunity. For each disorder above, select the dietary deficiency that is likely to be responsible.Folate deficiencyThiamine deficiencyNiacin deficiencyVitamin D deficiency  <response>: Folate deficiency can occur from a number of etiologies including poor intake or absorption; in high-demand diseases such as sickle cell; and in inborn errors of metabolism. It can also be seen in conjunction with a variety of medication uses including high-dose nonsteroidal anti-inflammatory drugs NSAIDs, methotrexate, and phenytoin. Deficiency results in megaloblastic anemia, glossitis, pharyngeal ulcers, and impaired immunity. 