Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

In a healthy adult, the CSF glucose is usually about what proportion of the blood glucose?

1. AAbout double (200%)
2. BExactly the same (100%)
3. CAbout one tenth (10%)
4. DAbout two-thirds (60%)

Which blood test is the usual measure of a person's vitamin D status?

1. ASerum phosphate
2. BParathyroid hormone
3. C1,25-dihydroxyvitamin D
4. D25-hydroxyvitamin D

An eGFR below which value indicates stage 5 chronic kidney disease (kidney failure)?

1. A15 mL/min/1,73 m²
2. B45 mL/min/1,73 m²
3. C90 mL/min/1,73 m²
4. D60 mL/min/1,73 m²

A patient taking a statin reports new, unexplained muscle pain and weakness. Which laboratory test would the nurse expect to be ordered?

1. ASerum lipase
2. BCardiac troponin
3. CCreatine kinase (CK)
4. DSerum ammonia

A patient with joint aches has a positive antinuclear antibody (ANA) test. Which statement is correct?

1. AA positive ANA supports lupus but does not diagnose it alone
2. BA positive ANA proves the patient has rheumatoid arthritis
3. CA positive ANA rules out all other autoimmune diseases
4. DA positive ANA means the patient has a viral infection

A patient taking spironolactone asks about using a salt substitute. What should the nurse explain?

1. AMost salt substitutes contain potassium and can raise the level too high
2. BSalt substitutes are fine as long as the patient drinks more water
3. CSalt substitutes protect against the potassium loss caused by this drug
4. DSalt substitutes are safe because they contain only sodium chloride

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

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

A patient's results: sodium 140 mEq/L, chloride 100 mEq/L, bicarbonate 12 mEq/L. What is the anion gap, and what does it suggest?

1. A52 mEq/L, a very high anion gap
2. B28 mEq/L, a high anion gap
3. C40 mEq/L, a high anion gap
4. D12 mEq/L, a normal anion gap