उत्तरों सहित प्रयोगशाला मान और इलेक्ट्रोलाइट वर्कशीट

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

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

At what time of day is serum cortisol normally highest?

1. AEarly morning
2. BAround midnight
3. CLate afternoon
4. DAfter the evening meal

Which tube additive is used for a complete blood count (CBC)?

1. ANo additive, clot activator (red top)
2. BSodium citrate (usually a light blue top)
3. CEDTA (usually a lavender or purple top)
4. DSodium fluoride (usually a gray top)

A patient is starting dabigatran, a direct oral anticoagulant. Which laboratory test is most important to review before the first dose?

1. ATSH, to rule out an overactive thyroid gland
2. BKidney function (creatinine clearance)
3. CINR, to set the dose of the anticoagulant
4. DLipase, to rule out an inflamed pancreas first

A patient with schizophrenia is starting clozapine. Which laboratory value must be monitored regularly?

1. ASerum amylase
2. BAbsolute neutrophil count
3. CSerum lithium level
4. DInternational normalized ratio

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

Three days after starting haloperidol, a patient has a temperature of 40 °C, severe muscle rigidity and confusion. Which laboratory result would the nurse expect?

1. AA very low serum sodium
2. BA very high serum lithium
3. CA very high creatine kinase (CK)
4. DA very low white cell count

The nurse teaches a patient with severe neutropenia after chemotherapy. Which statement shows a need for further teaching?

1. A"I'll wash my hands before eating and after the toilet"
2. B"I'll call the clinic if my temperature rises"
3. C"I'll check my temperature rectally to be accurate"
4. D"I'll avoid people who have a cold or the flu"