Blood Tests and Questionnaires in Studying Adherence to Preventative Swallowing Exercises in Participants With Metastatic Head and Neck Cancer

Inclusion Criteria: * Are dispositioned to receive radiation with curative intent for nasopharyngeal, oropharyngeal, hypopharyngeal, laryngeal, or an unknown primary cancer with cervical metastases * Are stage II-IVb for non- human papillomavirus (HPV)- related oropharyngeal cancer * Have HPV- related oropharynx cancer that is T1, have nodal involvement with no distant metastasis or have HPV- related oropharynx cancer that is at least T2 with no distant metastasis * Are stage II-IVb for laryngeal cancer * Are stage I-IVb for hypopharyngeal * Are stage I-IVb for nasopharyngeal cancer * Have stage I-III unknown primary cancer with cervical Exclusion Criteria: * Have other cancer diagnoses, except non-melanoma skin cancer * Had treatment for previous head and neck cancer or radiation to the head and neck * Have a history of previous head and neck surgery (excluding biopsy and/or tonsillectomy and/or tracheotomy) * Have a current oropharyngeal dysphagia unrelated to cancer diagnosis (e.g., dysphagia due to underlying neurogenic disorder)