NSG 5003 Cellular Environment Fluids & Electrolytes, Acids & Bases Exam with Q and A

NSG 5003 Cellular Environment Fluids & Electrolytes, Acids & Bases Exam with Q and A Infants are most susceptible to significant losses in total body water because of an infant's: a. High body surface-to-body size ratio b. Slow metabolic rate c. Kidneys are not mature enough to counter fluid losses d. Inability to communicate adequately when he or she is thirsty ANSWER Obesity creates a greater risk for dehydration in people because: a. Adipose cells contain little water because fat is water repelling. b. The metabolic rate of obese adults is slower than the rate of lean adults. c. The rate of urine output of obese adults is higher than the rate of output of lean adults. d. The thirst receptors of the hypothalamus do not function effectively. ANSWER a. Adipose cells contain little water because fat is water repelling. A patient's blood gases reveal the following findings: pH, 7.3; bicarbonate (HCO3) 27 mEq/L; carbon dioxide (CO2), 58 mm Hg. What is the interpretation of these gases? a. Respiratory alkalosis b. Metabolic acidosis c. Respiratory acidosis d. Metabolic alkalosis ANSWER c. Respiratory acidosis