Lembaran kerja Nilai makmal & elektrolit dengan jawapan

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 lowers serum calcium
4. DIt has no effect on calcium

The serum total protein is made up mainly of:

1. AHemoglobin and iron
2. BSodium and chloride
3. CAlbumin and globulins
4. DGlucose and urea

What is a typical reference range for the reticulocyte count in an adult?

1. AAbout 0.01–0.05% of red cells
2. BAbout 40–50% of red cells
3. CAbout 0.5–2% of red cells
4. DAbout 10–20% of red cells

A patient with pneumonia had a CRP of 180 mg/L on admission and 40 mg/L after 4 days of antibiotics. What does this most likely show?

1. AThe patient has developed a new infection
2. BThe antibiotic is causing liver damage
3. CThe infection has spread to another organ
4. DThe inflammation is settling with treatment

A patient without symptoms has a fasting plasma glucose of 132 mg/dL (7.3 mmol/L) on Monday and 138 mg/dL (7.7 mmol/L) on Thursday. What does this show?

1. AThe results show reactive hypoglycemia
2. BThe results are within the normal fasting range
3. CThe results show prediabetes only
4. DThe results meet the criteria for diabetes

A patient with hyperkalemia is prescribed an oral potassium binder such as patiromer or sodium zirconium cyclosilicate. How does this drug lower potassium?

1. AIt moves potassium into cells in the next few minutes
2. BIt binds potassium in the gut so it leaves in the stool
3. CIt stops the kidneys from absorbing water in the tubules
4. DIt protects the heart muscle against high potassium levels

Selepas pembedahan, seorang pesakit yang menerima cecair IV hipotonik dalam isi padu besar mengalami sakit kepala, loya dan kekeliruan. Keputusan manakah yang paling baik menjelaskan ini?

1. ANatrium 126 mEq/L
2. BKalsium 9.4 mg/dL (2.35 mmol/L)
3. CKalium 4.2 mEq/L
4. DGlukosa 110 mg/dL (6.1 mmol/L)

The nurse teaches a patient who is starting warfarin. Which statement shows a need for further teaching?

1. A"If I miss a dose, I will take two tablets the next day"
2. B"I will have my INR checked as often as I am told to"
3. C"I will tell my dentist and pharmacist that I take warfarin"
4. D"I will keep my intake of green leafy vegetables about the same"