A patient is having a creatine kinase (CK) level drawn. For which ...

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A patient is having a creatine kinase (CK) level drawn. For which health problem would the nurse expect this level to be elevated?
 
  1. juvenile rheumatoid arthritis
  2. gout
  3. muscle disease
  4. bone tumors

Question 2

The nurse is caring for a patient with a musculoskeletal disorder. For which reason does the nurse suspect the patient's alkaline phosphatase (ALP) is being assessed?
 
  1. to establish true calcium levels
  2. to evaluate the presence of bone diseases
  3. to determine phosphorus levels
  4. to diagnose muscle trauma

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Answer to Question 1

Correct Answer: 3
CK (the isoenzyme CK-MM) is elevated in muscle trauma and muscle disease. Juvenile rheumatoid arthritis is a systemic disease process that affects the body's joints and other systems; CK levels will not assist in its diagnosis. Uric acid levels are used to diagnose gout. The presence of bone tumors would be identified by radiological testing.

Answer to Question 2

Correct Answer: 2
Alkaline phosphatase (ALP) levels are assessed in patients who are experiencing musculoskeletal disorders in order to evaluate the presence of bone diseases. Blood tests other than ALP establish calcium and phosphorus levels, and diagnose muscle trauma.