单项选择题

Which abnormal laboratory value is most indicative of aplastic anemia

A. A decreased hemoglobin.
B. An elevated white blood cell count.
C. An elevated red blood cell count.
D. A decreased erythrocyte sedimentation rat

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单项选择题The nurse is interviewing a client who is currently under the influence of a controlled substance and shows signs of becoming agitated. Which measure should the nurse take first when caring for this client

A. Be aware of hospital security.
B. Communicate a scolding attitude to intimidate the client.
C. Use confrontation.
D. Express disgust with the client’s behavior.

单项选择题Which of the following is not a contributory factor to thermoregulation in the preterm neonate

A. Immature central nervous system (CNS).
B. Large skin surface area.
C. Lack of subcutaneous (S. Ｃ. ) and brown fat.
D. Tendency toward capillary fragility.