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In many US nursing references, what is the commonly cited therapeutic range for serum lithium in maintenance therapy?

1. AAbout 10–20 mEq/L
2. BAbout 3.5–5.0 mEq/L
3. CAbout 0.6–1.2 mEq/L
4. DAbout 2.0–3.0 mEq/L

What is the main effect of antidiuretic hormone (ADH) on the kidneys?

1. AMore water is excreted, so the urine becomes dilute
2. BMore potassium is reabsorbed, so the serum potassium rises
3. CMore water is reabsorbed, so urine is concentrated
4. DMore glucose is excreted, so the urine contains sugar

Which blood group is the universal donor for red blood cells in an emergency?

1. AGroup AB, Rh positive
2. BGroup B, Rh positive
3. CGroup O, Rh negative
4. DGroup A, Rh negative

A patient starts lisinopril (an ACE inhibitor). Which laboratory values should the nurse expect to be monitored?

1. ATSH and free T₄
2. BPotassium and creatinine
3. CALT and bilirubin
4. DCalcium and phosphate

A 55-year-old has a positive fecal immunochemical test (FIT) during routine screening. What is the usual next step?

1. ANo action if there are no symptoms
2. BRepeat the test in 10 years
3. CReferral for colonoscopy
4. DStart an iron supplement only

A patient with a potassium of 2.8 mEq/L has potassium chloride prescribed IV. Which statement about giving it is correct?

1. AIt may be given as a slow IV push over one minute if the level is very low
2. BIt is added to the IV bag without mixing, so it stays at the bottom
3. CIt is always diluted and given by infusion pump, never as an IV push
4. DIt is given as an undiluted bolus into a large vein to avoid irritation

A patient with a serum albumin of 1.9 g/dL (19 g/L) has signs of phenytoin toxicity, although the total phenytoin level is in the usual range. What is the most likely explanation?

1. ALow albumin stops phenytoin from crossing into the brain
2. BLow albumin makes the total level falsely high in all cases
3. CLow albumin raises the free (active) fraction of phenytoin
4. DLow albumin makes the liver clear phenytoin much faster

Ten minutes into a red cell transfusion, a patient develops fever, chills, low back pain and dark urine. After stopping the transfusion, what should the nurse do next?

1. AFlush the remaining blood through the line with the IV fluid to finish it
2. BDiscard the blood bag and tubing in the clinical waste to stop exposure
3. CRestart the transfusion more slowly after giving an antipyretic drug
4. DKeep the IV open with normal saline using new tubing and call the provider