Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

What is a typical adult reference range for thyroid-stimulating hormone (TSH)?

1. AAbout 0,01–0,04 mIU/L
2. BAbout 40–80 mIU/L
3. CAbout 10–20 mIU/L
4. DAbout 0,4–4,0 mIU/L

A low mean corpuscular hemoglobin concentration (MCHC) means that the red cells are:

1. ALarger than normal (macrocytic)
2. BShaped like a sickle
3. CMore numerous than normal
4. DPaler than normal (hypochromic)

Berapa rentang rujukan dewasa yang khas untuk fosfat serum?

1. ASekitar 0,5–1,5 mg/dL (0,2–0,5 mmol/L)
2. BSekitar 5,5–7,5 mg/dL (1,8–2,4 mmol/L)
3. CSekitar 2,5–4,5 mg/dL (0,8–1,5 mmol/L)
4. DSekitar 8,5–10,5 mg/dL (2,1–2,6 mmol/L)

A patient with recurrent gout starts allopurinol. Which laboratory result shows that the treatment is achieving its goal?

1. AA rising serum calcium
2. BA falling serum uric acid
3. CA rising white cell count
4. DA falling serum potassium

How should a blood sample for serum ammonia be handled?

1. ALeft at room temperature for several hours first
2. BShaken firmly to mix it before it is sent away
3. CKept warm and sent with the next routine batch
4. DPlaced on ice and sent to the laboratory at once

A patient takes high-dose furosemide. Besides potassium, which electrolyte is most commonly lowered?

1. APhosphate
2. BMagnesium
3. CSodium bicarbonate
4. DUric acid

Four drug levels are reported. Which patient should the nurse assess first?

1. ALithium 1,8 mEq/L with a new coarse tremor
2. BValproate 75 mcg/mL with no symptoms
3. CDigoxin 1,0 ng/mL with a pulse of 72/min
4. DPhenytoin 15 mcg/mL with no symptoms

A patient on warfarin with an INR of 3,6 fell and hit their head an hour ago. They now report a worsening headache and drowsiness. What is the priority?

1. AEncourage rest in a dark room to settle the pain
2. BGive acetaminophen (paracetamol) and recheck the INR tomorrow
3. CReport urgently for imaging and possible reversal
4. DHold warfarin for one dose and observe at home