A term neonate’s mother is O-negative, and cord studies indicate that the neonate is A-positive. Which of the following would be least likely if the neonate developed neonate hemolytic disease（）

单项选择题A client reports substernal chest pain. Test results show electrocardiograph changes and an elevated cardiac troponin level. Which of the following should be the focus of nursing care（）

A. Improving myocardial oxygenation and reducing cardiac workload.
B. Confirming a suspected diagnosis and preventing complications.
C. Reducing anxiety and relieving pain.
D. Eliminating stressors and providing a nondemanding environment.

单项选择题The physician prescribes amoxicillin suspension 100 mg every 8 hours for a child who weighs 33 lb (15 kg). The drug is supplied in a bottle labeled 250 rag teaspoon (1mL=50 mg). How many milliliters should the nurse administer（）

A. 2 mL.
B. 2.5 mL.
C. 5 mL.
D. 7.5 mL.