Answer to Question 1
A
Metabolic acidosis may be found in cases of starvation. At 7.3 the client's pH is below the nor-mal (7.35 to 7.45), the PaCO2 is in the normal range of 35 to 45 mm Hg (at 38 mm Hg), and at 19 mmol/L, the HCO3 is below the normal of 22 to 26 mmol/L. These findings demonstrate metabolic acidosis.
The values pH, 7.5; PaCO2, 34 mm Hg; HCO3, 20 mmol/L are consistent with respiratory alka-losis, compensated. This would not be typical of malnutrition.
The values pH, 7.35; PaCO2, 35 mm Hg; HCO3, 24 mmol/L represent normal arterial blood gas results.
The values pH, 7.52; PaCO2, 48 mm Hg; HCO3, 28 mmol/L are consistent with metabolic alka-losis, compensated. This would not be an expected finding with extremely poor nutrition.
Answer to Question 2
B
The reticular formation is primarily responsible for an individual's level of consciousness.
The medulla oblongata controls vital functions such as heart rate, blood pressure, and respiration.
The pituitary gland supplies hormones that control vital functions. The pituitary gland produces hormones necessary for adaptation to stress.
The external stress response is not primarily responsible for a person's level of consciousness.
The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
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