NURA 103 Fundamental Skills - Laboratory Values Questions and Answers

Fundamental Skills - Laboratory Values




Fundamental
Skills -
Laboratory
Values

, Fundamental Skills - Laboratory Values

Fundamental Skills - Laboratory Values
1. A client with atrial fibrillation who is receiving
maintenance therapy of warfarin sodium (Coumadin) has a
prothrombin time (PT) of 35 seconds. On the basis of the
prothrombin time, the nurse anticipates which prescription
1. Adding a dose of heparin sodium
2. Holding the next dose of warfarin
3. Increasing the next dose of warfarin
4. Administering the next dose of warfarin
2. Holding the next dose of warfarin

2. The nurse checks the laboratory result for a serum digoxin
level that was prescribed for a client earlier in the day and
notes that the result is 2.4 ng/mL. The nurse should take
which immediate action?
1. Check the client's last pulse rate.
2. Notify the health care provider (HCP).
3. Record the normal value on the client's flow sheet.
4. Administer the next dose of the medication as scheduled.
2. Notify the health care provider (HCP).

3. A client has been admitted to the hospital for urinary tract
infection and dehydration. The nurse determines that the
client has received adequate volume replacement if the
blood urea nitrogen level drops to which value?
1. 3 mg/dL
2. 15 mg/dL
3. 29 mg/dL
4. 35 mg/dL

, Fundamental Skills - Laboratory Values

2. 15 mg/dL

4. A client arrives in the emergency department complaining
of chest pain that began 4 hours ago. A troponin T blood
specimen is obtained, and the results indicate a level of 0.6
ng/mL. The nurse determines that this result indicates
which finding?
1. A normal level
2. A low value that indicates possible gastritis
3. A level that indicates a myocardial infarction
4. A level that indicates the presence of possible angina
3. A level that indicates a myocardial infarction

5. A client is receiving a continuous intravenous infusion of
heparin sodium to treat deep vein thrombosis. The client's
activated partial thromboplastin (aPTT) time is 65 seconds.
The nurse anticipates that which action is needed?
1. Discontinuing the heparin infusion
2. Increasing the rate of the heparin infusion
3. Decreasing the rate of the heparin infusion
4. Leaving the rate of the heparin infusion as is
4. Leaving the rate of the heparin infusion as is

6. A client with a history of cardiac disease is due for a
morning dose of furosemide (Lasix). Which serum
potassium level, if noted in the client's laboratory report,
should be reported before administering the dose of
furosemide?
1. 3.2 mEq/L
2. 3.8 mEq/L

, Fundamental Skills - Laboratory Values

3. 4.2 mEq/L
4 .4.8 mEq/L
1. 3.2 mEq/L

7. Several laboratory tests are prescribed for a client, and the
nurse reviews the results of the tests. Which abnormal
laboratory test results should the nurse report? Select all
that apply.
1. Calcium, 7 mg/dL
2. Magnesium, 1 mg/dL
3. Phosphorus, 3.6 mg/dL
4. Neutrophils, 1000 cells/mm3
5. Serum creatinine, 1 mg/dL
6. White blood cells, 3000 cells/mm3
o 1. Calcium, 7 mg/dL
o 2. Magnesium, 1 mg/dL
o 4. Neutrophils, 1000 cells/mm3
o 6. White blood cells, 3000 cells/mm3
8. An adult client with cirrhosis has been prescribed a diet
with optimal amounts of protein. The nurse evaluates the
client's status as being most satisfactory if the total protein
is which value?
1. 0.4 g/dL
2. 3.7 g/dL
3. 6.4 g/dL
4. 9.8 g/dL
3. 6.4 g/dL

9. A client with diabetes mellitus has a glycosylated
hemoglobin A1c level of 9%. On the basis of this test
result, the nurse plans to teach the client about the need for
which measure?