The most significant sign of acute renal failure is（）

单项选择题During the assessment stage, a client with schizophrenia leaves his arm in the air after the nurse has taken his blood pressure. Which of the following explains his action（）

A. Somatic delusions.
B. Waxy flexibility.
C. Neologisms.
D. Nihilistic delusions.

单项选择题When caring for an adolescent client diagnosed with depression, the nurse should remember that depression manifests differently in adolescents and adults. In an adolescent, signs and symptoms of depression are likely to include which of the following（）

A. Helplessness, hopelessness, hypersomnolence, and anorexia.
B. Truancy, a change of friends, social withdrawal, and oppositional behavior.
C. Curfew breaking, stealing from family members, truancy, and oppositional behavior.
D. Hypersomnolence, obsession with body image, and valuing of peers’ opinions.