单项选择题

Before administering a tube feeding to a toddler, which of the following methods should the nurse use to check the placement of a nasogastric (NG) tube

A．Abdominal X-rays.
B．Injection of a small amount of air while listening with a stethoscope over the abdominal area.
C．A check of the pH of fluid aspirated from the tube.
D．Visualization of the measurement mark on the tube made at the time of insertion.

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单项选择题

Which of the following activities should a 2-year-old child to be able to do()

A．Build a tower of eight cubes.
B．Point out a picture.
C．Wash and dry his hands.
D．Remove a garment.

单项选择题

During a morning assessment, the nurse percusses tympany. The nurse understands that tympany is a loud, high-pitched, moderately long sound with a drumlike, musical quality that's most commonly heard over the

A．heart.
B．liver.
C．pancreas.
D．stomach.