A dental office buys high-strength die stone in bulk to save money. The container is left opent I the air for weeks. On mixing some stone to pour an impression for a crown, the material is very slow to set. What is the likely cause?​

Anurse is caring for a client who is receiving a continuous iv infusion of magnesium sulfate for preterm labor. the nurse should discontinue the infusion and prepare to administer calcium gluconate if the client demonstrates which of the following findings? (select all that apply) a. urine output 80 ml in 4 hr b. absence of deep-tendon reflexes c. report of chills d. decreased level of consciousness e. systolic blood pressure 130 mm hg