NUR 650 EXAM 3 (with Complete Solutions)

Plasma pH of neonate and child correct answers slightly alkaline. Neonate 7.32-7.4. Child 7.35-7.45 Respiratory gas exchange mechanism correct answers diffusion at alveolar level Variables effecting pulse ox accuracy correct answers pH leve, CO2 level, temp, sunlight, phototherapy, nail polish Fetal Hemoglobin variation correct answers has high affinity for O2 Cautions with oxygenation in premature infant correct answers Sensitive to hyperoxia r/t higher affinity for O2. AT RISK FOR RETINOPATHY Acceptable levels of Sp02 in premature infant correct answers 88-95% Premature infant body composition of water correct answers 85% Infant body composition of water correct answers 75% What age does child reach normal body composition of water correct answers adult composition of 65% at age 1 Adult Male vs Female body comp of water correct answers Males-60% r/t muscle contains more water than fat Females-55% Protein and fat stores correct answers builds over the first year until adult ratio is reached Energy required for growth during first year correct answers 30% MALNUTRITION IS DETRIMENTAL IN INFANCY/FIRST YEARS Basal metabolic rate related to energy utilization correct answers 2/3 of basal metabolic rate is used for brain activity and development Essential proteins correct answers 8 essential amino acids are obtained thru diet Nonessential amino acids correct answers Cysteine, histidine, tyrosine Transamination correct answers adult capability to synthesize nonessential amino acids via liver. Newborns do not have this ability - must obtain synthetic Newborn fasting glucose level correct answers 2.2-3.3mmol/L Child fasting glucose level correct answers 3.3-5.5 mmol/L