Робочий аркуш «Лабораторні показники та електроліти» з відповідями

A raised neutrophil count (neutrophilia) is most typical of:

1. AVitamin B₁₂ deficiency
2. BAcute bacterial infection
3. CA mild viral cold
4. DHay fever and asthma

Який типовий референтний діапазон калію в сироватці у дорослих?

1. A6,0–8,0 mEq/L
2. B3,5–5,0 mEq/L
3. C135–145 mEq/L
4. D1,3–2,1 mEq/L

Lactate is mainly produced when cells:

1. ABreak down fat completely with oxygen
2. BBreak down protein in the liver for energy
3. CBreak down glucose without enough oxygen
4. DStore glucose as glycogen in the muscles

When should the nurse check the glucose before giving a mealtime dose of rapid-acting insulin (such as lispro)?

1. AJust before the meal, giving insulin when the food is ready
2. BTwo hours after the meal, then giving the insulin dose
3. COnly once a day, then giving the same dose before every meal
4. DAt bedtime only, then giving the mealtime insulin overnight

A patient's levothyroxine dose was changed today. When is the TSH usually rechecked?

1. AAfter about 3 days
2. BAfter about 6–8 weeks
3. CAfter about 1 year
4. DAfter about 24 hours

A patient has taken hydrochlorothiazide for several years. Which laboratory change is a recognized effect of this drug?

1. AA rise in serum uric acid
2. BA fall in blood glucose
3. CA rise in serum potassium
4. DA fall in serum calcium

Weeks after neck surgery, a patient has muscle cramps and tingling. Calcium is low, phosphate is high and parathyroid hormone (PTH) is low. Which condition fits best?

1. AVitamin D toxicity
2. BHypoparathyroidism
3. CChronic kidney disease
4. DPrimary hyperparathyroidism

A patient has a continuous heparin infusion for a pulmonary embolism. A new nurse plans to adjust the infusion using today's INR of 1,1. What should the experienced nurse explain?

1. AThe INR is the correct test, and 1,1 means heparin is therapeutic
2. BThe INR of 1,1 means the heparin rate must be doubled at once
3. CHeparin is adjusted using the aPTT or anti-Xa level, not the INR
4. DHeparin needs no laboratory monitoring once the infusion is started