Laboratory Values (Ch. 11)

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

1. 3.2 mEq/L

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

2. 15 mg/dL

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

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).

The nurse is assigned to a 40-year-old client who has a diagnosis of chronic pancreatitis. The nurse anticipates the client's serum amylase level to be which value? 1. 45 units/L 2. 100 units/L 3. 300 units/L 4. 500 units/L

3. 300 units/L

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

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

An adult female client has a hemoglobin level of 10.8 g/dL. The nurse interprets that this result is most likely caused by which condition noted in the client's history? 1. Dehydration 2. Heart failure 3. Iron deficiency anemia 4. Chronic obstructive pulmonary disease

3. Iron deficiency anemia

A client brought to the emergency department states that he has accidentally been taking two times his prescribed dose of warfarin (Coumadin) for the past week. After noting that the client has no evidence of obvious bleeding, the nurse plans to take which action? 1. Prepare to administer an antidote. 2. Draw a sample for type and crossmatch and transfuse the client. 3. Draw a sample for an activated partial thromboplastin time (aPTT) level. 4. Draw a sample for prothrombin time (PT) and international normalized ratio (INR).

4. Draw a sample for prothrombin time (PT) and international normalized ratio (INR).

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

A client with a history of gastrointestinal bleeding has a platelet count of 300,000 cells/mm3. The nurse should take which action after seeing the laboratory results? 1. Report the abnormally low count. 2. Report the abnormally high count. 3. Place the client on bleeding precautions. 4. Place the normal report in the client's medical record.

4. Place the normal report in the client's medical record.

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? 1. Avoiding infection 2. Taking in adequate fluids 3. Preventing and recognizing hypoglycemia 4. Preventing and recognizing hyperglycemia

4. Preventing and recognizing hyperglycemia

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

1, 2, 4, 6

The nurse is caring for a client with a diagnosis of cancer who is immunosuppressed. The nurse would consider implementing neutropenic precautions if the client's white blood cell count was which value? 1. 2000 cells/mm3 2. 5800 cells/mm3 3. 8400 cells/mm3 4. 11,500 cells/mm3

1. 2000 cells/mm3