Bio 212 Pre lecture Quiz 2 Fluids Electrolytes Stress Nutrition 1 What are some primary causes of in inappropriate or excessive thirst Cellular dehydration caused by an increase in ECF osmolality Decrease in blood volume Hypodipsia decrease in ability to sense thirst Polydipsia excessive thirst 2 How is diabetes insipidus diagnosed Documentation of 24 hour urine output Measurement of ADH levels along with plasma and urine osmolality before after a period of fluid deprivation or hypertonic saline infusion MRI studies of pituitary hypothalamic area 3 Define hypovolemia Decreased volume of circulating blood in the body 4 How is tissue turgor assessed Pinching a fold of skin between the thumb and forefinger skin should immediately return to original configuration when it is released 5 What is one clinical manifestation of isotonic fluid volume excess Increased interstitial fluid volume dependent and generalized edema 6 What can show on an ECG with hypo and hyperkalemia 7 Magnesium deficiency usually occurs along with what two deficiencies Hypocalcemia hypokalemia 8 What are some examples of excessive base loading that could lead to metabolic Prolongation of PR interval Depression of ST segment Appearance of prominent U wave Flattening peaking of T wave alkalosis Alka Seltzer Milk alkali syndrome Intravenous infusion of NaHCO3 9 Define kwashiokor and marasmus Kwashiokor advanced protein energy deficit coupled with increased protein requirement or loss Marasmus progressive loss of muscle mass and fat stores due to inadequate food intake that is equally deficient in calories and protein 10 What is believed to be the central integrating site in the brain for the autonomic nervous system response to stressful stimuli Adrenal medulla 11 What is posttraumatic stress disorder Severe stress response secondary to experiencing previous trauma
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