Lab values & electrolytes worksheet with answers

Which drug is routinely monitored with blood levels because of its narrow therapeutic range?

1. AAmoxicillin
2. BOmeprazole
3. CLithium
4. DLoratadine

What does a positive blood or urine ketone test mainly indicate?

1. AThe liver is producing too much bilirubin
2. BThe kidneys are leaking protein into the urine
3. CThe patient has a urinary tract infection
4. DThe body is breaking down fat for fuel, as in insulin deficiency or starvation

Why is glucose normally absent from the urine?

1. AGlucose is changed into ketones before it reaches the urine
2. BThe tubules reabsorb all filtered glucose at normal blood levels
3. CThe bladder lining breaks down any glucose that reaches the urine
4. DThe glomeruli do not filter glucose out of the blood at any level

Which instruction is correct for a patient starting oral iron tablets?

1. AYour stools may turn dark green or black
2. BYour urine will turn bright orange while you take it
3. CTake the tablet with an antacid to improve absorption
4. DTake each tablet with milk to protect the stomach

A tired patient with heavy menstrual periods has a normal hemoglobin and MCV but a ferritin of 8 ng/mL. What does this show?

1. AIron overload from too much iron
2. BA completely normal iron status
3. CIron deficiency without anemia yet
4. DVitamin B₁₂ deficiency anemia

A conscious patient with a blood glucose of 54 mg/dL (3.0 mmol/L) has taken 15 g of fast-acting carbohydrate. When should the glucose be rechecked?

1. AAt the next meal
2. BAfter about 15 minutes
3. CThe next morning
4. DAfter about 2 hours

A patient in diabetic ketoacidosis has a potassium of 3.0 mEq/L before the insulin infusion is started. What should the nurse expect?

1. APotassium is replaced first, and insulin waits until the level is safe per protocol
2. BPotassium is not replaced, because insulin will raise it
3. CFluids are stopped until the potassium is normal
4. DInsulin is started at once at a higher rate

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. ADiscard the blood bag and tubing in the clinical waste to stop exposure
2. BFlush the remaining blood through the line with the IV fluid to finish it
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