Pain control helps improve the patient's quality of life. Oral and facial pain can affect eating, talking, and many other activities that involve the head, neck, mouth, and throat. Most patients with head and neck cancers have pain. The doctor may ask the patient to rate the pain using a rating system.
Learner's definition of COMPREHENSION. : ability to understand. [noncount] He has not the slightest comprehension of the subject. [=he does not understand the subject at all] The students showed excellent reading/language comprehension. The war caused suffering beyond comprehension. [=suffering that is impossible to imagine]
Reading Purpose and Reading Comprehension. Reading is an activity with a purpose. A person may read in order to gain information or verify existing knowledge, or in order to critique a writer's ideas or writing style. A person may also read for enjoyment, or to enhance knowledge of the language being read.