NSC EXAM 3 Test Review Questions with Verified Answers

NSC EXAM 3 Test Review Questions with Verified Answers Which of the following body structures helps to regulate thirst? a. Brain stem b. Cerebellum c. Optic nerve d. Hypothalamus - Answer-d Where is interstitial water found? a. Within cells b. Between cells c. Within the lungs d. Within blood vessels - Answer-b Which of the following is a feature of water and nutrition? a. Water intoxication is rare but can result in death b. Water losses from the body are highest through the feces c. Chronic high intakes increase the risk for bladder cancer d. Soft water has significant concentrations of magnesium and calcium - Answer-a What minimum level of body weight loss as water impairs a person's physical performance? a. 1-2% b. 3-4% c. 5-9% d. 10-15% - Answer-b What minimum percentage of body weight loss as water results in fatigue, weakness, and loss of appetite? a. 1-2 b. 3-4 c. 5-6 d. 7-8 - Answer-a Abnormally low blood sodium concentration is known specifically as a. hypertension. b. hyponatremia. c. hyperkalemia. d. water intoxication - Answer-b