One of the important concepts in the digestion of food and the absorption of nutri- ents is surface area. Surface area is increased in the oral cavity, in the stomach and in
the small intestine. Explain what happens and what structures are in each of these
areas that help increase the surface area allowing digestion and absorption to occur.

You are caring for a patient with an anxiety disorder on the psychiatric unit. the family is present with the patient. your instructor talked in the mental health course about cognitive, affective, and behavioral psychiatric nursing interventions. a. what are cognitive, affective, and behavioral psychiatric nursing interventions? b. give some examples of cognitive, affective, and behavioral psychiatric nursing interventions you could apply to the care of this family.