Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

What does the term "thrombocytosis" mean?

1. AA low platelet count
2. BA low red cell count
3. CA high white cell count
4. DA high platelet count

What is the usual BUN-to-creatinine ratio in a healthy adult (using mg/dL)?

1. AAbout 100:1 to 200:1
2. BAbout 1:1 to 2:1
3. CAbout 10:1 to 20:1
4. DAbout 50:1 to 60:1

Why is prealbumin (transthyretin) sometimes used to follow a patient's nutritional status instead of albumin?

1. AIt has a short half-life, so it changes within days
2. BIt is measured in urine, so no blood test is needed
3. CIt is not affected by inflammation or liver disease
4. DIt has a long half-life, so it changes over months

A patient taking empagliflozin (an SGLT2 inhibitor) has glucose in the urine but a normal blood glucose. What is the best interpretation?

1. AA urinary tract infection
2. BA sign of kidney failure
3. CAn expected effect of the drug
4. DUncontrolled diabetes needing insulin

A patient with diabetes also takes propranolol. Why is regular glucose monitoring especially important?

1. AThe drug blocks the insulin injection site
2. BThe drug stops the meter from reading correctly
3. CThe drug causes very high glucose in all patients
4. DThe drug can mask warning signs of hypoglycemia

How does the nurse start a 24-hour urine collection at 08:00?

1. AHave the patient void and discard that urine, then save all urine until 08:00 the next day
2. BCollect only the first urine passed on waking, and repeat this the next morning
3. CSave three samples spread across the day and discard all of the urine passed at night
4. DSave the 08:00 urine as the first sample, then collect until 08:00 the next day

The nurse teaches a patient who is collecting a 24-hour urine sample at home. Which statement shows a need for further teaching?

1. A"I'll ask whether any foods or drugs should be avoided first"
2. B"I'll empty my bladder at the end time and add that urine"
3. C"I'll keep the container cool as the laboratory told me to"
4. D"If I forget to save one void, I'll just carry on to the end"

A patient with severe hypertriglyceridemia has a measured sodium of 128 mEq/L, but a measured serum osmolality is normal, and the patient has no symptoms. What is the most likely explanation?

1. AHyponatremia caused by drinking far too much water
2. BPseudohyponatremia, an artifact caused by very high lipids
3. CHyponatremia caused by severe hyperglycemia in diabetes
4. DTrue hyponatremia from SIADH that needs fluid restriction