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Valid Florida wills may be revoked at any time prior to the testator’s death.

In Florida two witnesses are required to attest to a will and are allowed to receive assets from the will to which they are attesting.

A TPN-dependent infant’s ionized calcium rises after treatment but falls again to 0.8 mmol/L. Magnesium is 0.8 mg/dL, phosphorus is 5.4 mg/dL, and pH is 7.37. Urine output has fallen to 0.4 mL/kg/hr and creatinine is rising. Which plan best addresses the recurrent mineral disturbance?

DNA is isolated from a clinical sample.  The absorbance at 260 nm is 0.489 and the absorbance at 280 nm is 0.485.  Is this sample of sufficient quality for use in subsequent analysis.  To receive credit, you must concisely explain why you do or do not think that the DNA is of sufficient quality.  

Explain concisely how you would prepare a 1% agarose gel with a total volume of 200 ml.  Be certain to include the essential components, how much of each you need, and the general process.   

A 38-week infant develops jaundice at 6 hours of age and is started on intensive phototherapy. The infant’s DAT and the maternal antibody screen are positive. The mother is O negative and the infant is B positive. Which additional result most directly confirms the possibility of Rh hemolytic jaundice?

A 36-week infant with DAT-positive hemolysis began phototherapy at 24 hours of age. TSB has fallen sufficiently to meet the minimum discontinuation criterion and feeding and neurologic examination are reassuring. The proposed plan is to stop phototherapy now and discharge home, but no serum bilirubin measurement can be arranged for 36 hours. Which plan best addresses the remaining risk?

A stable newborn has recurrent bilious emesis. Abdominal radiography shows a dilated stomach and proximal duodenum with gas in the distal bowel. The infant is NPO with gastric decompression and IV support. What is the most appropriate next imaging study?

An infant receiving medical treatment for NEC has rising lactate, falling platelets, falling serum sodium and new abdominal-wall erythema. Ventilator and vasoactive support requirements are increasing. Repeat abdominal radiographs show no free air. What is the next best action?

A stable newborn with uncomplicated meconium ileus is NPO and receiving gastric decompression. A hyperosmolar water-soluble contrast enema is planned. Which fluid management plan is most appropriate?