Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

What does the specificity of a diagnostic test describe?

1. AThe proportion of people without the disease who test negative
2. BThe total number of people who take the test each year
3. CThe proportion of people with the disease who test positive
4. DThe cost of the test compared with other tests

What is the main effect of parathyroid hormone (PTH) on serum calcium?

1. AIt only changes urine calcium
2. BIt raises serum calcium
3. CIt has no effect on calcium
4. DIt lowers serum calcium

Berapa rentang terapeutik yang umum disebut untuk digoksin serum?

1. ASekitar 20–40 ng/mL
2. BSekitar 10–20 ng/mL
3. CSekitar 0,5–2,0 ng/mL
4. DSekitar 0,05–0,2 ng/mL

Which instruction is correct for a patient starting oral iron tablets?

1. ATake each tablet with milk to protect the stomach
2. BYour stools may turn dark green or black
3. CYour urine will turn bright orange while you take it
4. DTake the tablet with an antacid to improve absorption

During a red cell transfusion, when are serious acute reactions most likely, so the nurse stays with the patient?

1. AAfter about 2 hours
2. BAfter the last drop is given
3. CIn the first 15 minutes
4. DThe next morning

In the third trimester of pregnancy, a woman's alkaline phosphatase (ALP) is about twice the usual adult range, and the other liver tests are normal. What is the best interpretation?

1. AA normal rise from placental ALP
2. BA sign of blocked bile ducts
3. CA sign of new bone cancer
4. DA sign of acute viral hepatitis

A patient without diabetes in the ICU with sepsis has a glucose of 260 mg/dL (14,4 mmol/L) and an HbA1c of 5,2%. What is the best interpretation?

1. AA meter error, because HbA1c is normal
2. BStress hyperglycemia from acute illness
3. CType 1 diabetes from autoimmune damage
4. DLong-standing undiagnosed type 2 diabetes

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