Lab values & electrolytes worksheet with answers

The serum total protein is made up mainly of:

1. ASodium and chloride
2. BGlucose and urea
3. CAlbumin and globulins
4. DHemoglobin and iron

What does the term "leukopenia" mean?

1. AA low red blood cell count
2. BA low white blood cell count
3. CA high platelet count
4. DA high white blood cell count

Which laboratory test is used to monitor warfarin therapy?

1. APT with INR
2. BD-dimer
3. CPlatelet count
4. DaPTT

A patient has macrocytic anemia with numbness and tingling of the feet and poor balance. Which deficiency is most likely?

1. AFolate (folic acid)
2. BIron (low ferritin)
3. CVitamin B₁₂
4. DVitamin C (ascorbic acid)

A healthy patient has a mildly raised CK after running a marathon yesterday, without dark urine or symptoms. What is the most likely explanation?

1. AThe patient has developed acute pancreatitis
2. BAn acute myocardial infarction has occurred
3. CThe patient has developed acute hepatitis
4. DStrenuous exercise raised CK from skeletal muscle

A patient with hyperkalemia received IV regular insulin with dextrose. Which result must the nurse monitor closely over the next hours?

1. ASerum sodium, because it rises quickly
2. BHemoglobin, because insulin causes red cell loss
3. CSerum calcium, because it falls sharply
4. DBlood glucose, because hypoglycemia can occur

Two days after bowel surgery, a patient with nasogastric suction has a distended abdomen, absent bowel sounds and muscle weakness. The potassium is 2.8 mEq/L. Which interpretation is best?

1. AThe potassium is normal for the second day after surgery
2. BHypokalemia from gastric losses is contributing to paralytic ileus
3. CHyperkalemia from tissue damage is causing the bowel to stop
4. DThe low potassium is due to the patient drinking too much water

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