The least serious form of brain trauma, characterized by a brief loss of consciousness and period of confusion, is called（）

单项选择题The nurse is caring for a bulimic client and an anorectic client. What cognitive characteristics would be similar for both of these clients（）

A. Perfectionism, preoccupation with food.
B. Relaxed personality, but preoccupied with food.
C. No similarities.
D. Preoccupation with exercise.

单项选择题A client is receiving an IV infusion of dextrose 5% in water and lactated Ringer’s solution at 125 mL hr to treat a fluid volume deficit. Which of these signs indicates a need for additional IV fluids（）

A. Serum sodium level of 125 mEq/L.
B. Temperature of 99.6 °F(37.6℃).
C. Neck vein distention.
D. Dark amber urine.