Phiếu bài tập Giá trị xét nghiệm và điện giải có đáp án

Which fasting triglyceride level is commonly described as normal?

1. AAbove 500 mg/dL (5,6 mmol/L)
2. BBetween 200 and 499 mg/dL (2,3–5,6 mmol/L)
3. CBelow 150 mg/dL (1,7 mmol/L)
4. DAbove 1,000 mg/dL (11,3 mmol/L)

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 glomeruli do not filter glucose out of the blood at any level
4. DThe bladder lining breaks down any glucose that reaches the urine

What does a positive direct antiglobulin test (direct Coombs test) show?

1. AThe patient's plasma is missing the clotting factor VIII
2. BAntibodies or complement are attached to the patient's red cells
3. CThe patient's red cells are too small and contain little hemoglobin
4. DThe patient's platelets are clumping together in the blood sample

A patient with chronic kidney disease has a potassium of 5,6 mEq/L. Which food should the nurse advise the patient to limit?

1. AWhite rice
2. BCabbage
3. CApples
4. DBananas

A patient taking a statin reports new, unexplained muscle pain and weakness. Which laboratory test would the nurse expect to be ordered?

1. ASerum lipase
2. BCreatine kinase (CK)
3. CCardiac troponin
4. DSerum ammonia

A patient with chronic kidney disease receives an erythropoiesis-stimulating agent such as epoetin alfa. Which assessments are most important?

1. ASerum glucose and ketones
2. BSerum amylase and lipase
3. CHemoglobin and blood pressure
4. DLiver enzymes and bilirubin

The nurse teaches a patient with iron-deficiency anemia who is starting oral iron. Which statement shows a need for further teaching?

1. A"I can take it with orange juice to help absorption"
2. B"I'll take my iron tablet with a big glass of milk"
3. C"My stools may look darker while I take the tablets"
4. D"I'll keep the tablets out of reach of the children"

A patient with heavy alcohol use and a poor diet has a hemoglobin of 10,1 g/dL (101 g/L), an MCV of 110 fL and a low red cell folate. Which explanation fits best?

1. AThalassemia trait inherited from one of the parents
2. BFolate deficiency, made worse by a direct alcohol effect
3. CIron deficiency from slow, chronic bleeding in the gut
4. DAnemia caused by long-standing chronic kidney disease