Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

A low mean corpuscular volume (MCV) means that:

1. AThe red cells contain more hemoglobin than normal
2. BThe red cells are smaller than normal (microcytic)
3. CThe bone marrow is making too many white cells
4. DThe red cells are larger than normal (macrocytic)

A raised alkaline phosphatase (ALP) is most typical of:

1. AInflammation of the lining of the urinary bladder
2. BBlocked bile flow or increased bone turnover
3. CLow production of hormone by the thyroid gland
4. DAcute damage to the heart muscle

In the US (NCEP ATP III) classification, which LDL cholesterol level is called optimal for an adult?

1. AAbout 160–189 mg/dL (4,1–4,9 mmol/L)
2. BBelow 100 mg/dL (2,6 mmol/L)
3. CAbout 220–260 mg/dL (5,7–6,7 mmol/L)
4. DAbout 190 mg/dL (4,9 mmol/L) or more

Quale trattamento abbassa il potassio sierico spostandolo all'interno delle cellule?

1. ACalcio gluconato endovena somministrato in 10 minuti
2. BInsulina regolare endovena somministrata con glucosio
3. CIntegratori orali di cloruro di potassio
4. DInfusione endovenosa di cloruro di sodio allo 0,45%

A patient has taken a proton pump inhibitor (such as omeprazole) for many years and now has muscle cramps and tremor. Which electrolyte is most likely to be low?

1. APhosphate
2. BMagnesium
3. CSodium
4. DChloride

A woman who is 30 weeks pregnant has a new blood pressure of 152/98 mm Hg. Which urine finding would most support preeclampsia?

1. AGlucose in the urine
2. BNitrites in the urine
3. CProtein in the urine
4. DKetones in the urine

The nurse prepares a patient for a 2-hour oral glucose tolerance test tomorrow morning. Which statement shows a need for further teaching?

1. A"I'll fast overnight but can drink plain water"
2. B"I'll stay seated during the test if I can"
3. C"I can have a light breakfast before the test"
4. D"I'll avoid smoking until the test is over"

Two days after bowel surgery, a patient with nasogastric suction has a distended abdomen, absent bowel sounds and muscle weakness. The potassium is 2,8 mEq/L. Which interpretation is best?

1. AThe potassium is normal for the second day after surgery
2. BHyperkalemia from tissue damage is causing the bowel to stop
3. CHypokalemia from gastric losses is contributing to paralytic ileus
4. DThe low potassium is due to the patient drinking too much water