On an electronic particle counter, if the RBC count is erroneously increased, how will other parameters be affected?

Group O red cells are used as a source for commercial screening cells because:

For the past five days, four times as many samples as usual submitted for ionized calcium were below the reference range.  The same phlebotomist collected all of the samples.  When questioned, she said that the samples were collected using syringes from an arterial blood gas collection kit.  The samples were anaerobic when received by the lab.  Which is the best explanation of the low results?

Disinfection of countertops in the Micro lab can be achieved by all of the following EXCEPT:

Several newborn infants were infected with Staphylococcus aureus in the Nursery of the hospital.  The Infection Control Committee decided to incorporate an environmental screening procedure in the Nursery.  Which screening media is best for this purpose?

After a difficult venipuncture requiring prolonged application of the tourniquet, the serum K+ was found to be 6.8 mEq/L. The best course of action is to:

Eric, 74 years old, is on a business trip and working out in a new gym. One of the workers at the gym approached Eric and said, “Are you familiar with the strength machines? You might have the weight too high.” The worker is displaying:

Dylan’s doctor told him the pain in his side was from a cancerous tumor. Dylan couldn’t believe what he heard and decided he needed to get a second opinion in case he happens to have an incompetent doctor. Which of Kübler-Ross’s stages of dying is Dylan currently in?

Edna realizes she is starting to lose her battle with cancer. In desperation, she wants to let any Higher Power know that if she could just live nine more months to see her fortieth wedding anniversary, then she would be okay. Edna is in which of Kübler-Ross’s stages of dying?

Vaillant’s research showed that at age 50, the best predictors of who would be dead at 75 to 80 years of age were: