The RDT SARS-COV-2 test has 97.1% sensitivity (the probability of a positive result) and 94.1% specifity(the probability of a negative result). Suppose that 1% of the population is infected with SARS-COV-2. If a randomly selected individual test positive what is the probability she is infected?

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

If the skin preparation site contains a colostomy or draining sinus that cannot be sealed off, how should that area be prepped? a. last, with sponges to be used once and discarded b. first, with the same preparation tray c. simultaneously, with the same preparation tray d. first, with a separate preparation tray

Why was there no increase in the reaction rate with 8.0 g. of substrate as compared to 4.0 g. of substrate? what would you need to add to see an increase in the reaction rate wth 8.0 g. of substrate?