Nr: 224 Exam 3 Questions With Complete Solutions Graded A+

Electrocardiogram {Ans: P wave - atrial depolarization QRS - ventricular depolarization t wave- ventricular repolarization u wave - represents depolarization of the Purkinje fibers or is associated with hypokalemia}Factors Influencing Nutrition {Ans: -Environmental factors-sedentary lifestyle, work schedules, fast food -Developmental needs --Infants through school age ----Breastfeeding, formula, solid foods --Adolescents --Young and middle adults --Older adults}Medical nutrition therapy- Human immunodeficiency virus/acquired immunodeficiency syndrome (HIV, AIDs) {Ans: -Body wasting and severe weight loss -Severe diarrhea, GI malabsorption, altered nutrient metabolism -Hypermetabolism as a result of cytokine elevation Maximize kilocalories and nutrients. Encourage small, frequent, nutrient-dense meals with fluid in between.}Nutrition- {Ans: -Basic component of health -Is essential for normal growth and development, tissue maintenance and repair, cellular metabolism, and organ function -Medical nutrition therapy uses nutrition therapy and counseling to manage disease. --Type 1 diabetes mellitus --Hypertension --Inflammatory bowel disease --Enteral nutrition (EN); parenteral nutrition (PN)}Semilunar valves {Ans: Pulmonary (between right ventricle and pulmonary artery) and aortic semilunar valves (between left ventricle and aorta)}Home oxygen {Ans: Indications Arterial partial pressure (PaO2) of 55 mm Hg or less -or- Arterial oxygen saturation (SaO2) of 88% or less on room air at rest, on exertion, or with