Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

What is a typical reference range for the hematocrit in an adult woman?

1. AAbout 10–15%
2. BAbout 35–45%
3. CAbout 55–65%
4. DAbout 20–28%

What does the specificity of a diagnostic test describe?

1. AThe proportion of people with the disease who test positive
2. BThe proportion of people without the disease who test negative
3. CThe cost of the test compared with other tests
4. DThe total number of people who take the test each year

Which statement about HDL cholesterol is correct?

1. AHigher levels are linked to a lower risk of heart disease
2. BHigher levels are the main cause of plaque in the arteries
3. CIt is the same as the fasting triglyceride level
4. DIt should ideally be kept below 40 mg/dL (1,0 mmol/L)

A urine culture report states "mixed growth of three organisms, likely contamination." What is the nurse's best response?

1. AInform the provider and arrange a new, correctly collected sample
2. BDiscard the report, because a mixed growth is always normal
3. CStart treatment for all three organisms with three antibiotics
4. DRecord the result as a confirmed urinary tract infection

A patient with hyperkalemia received IV regular insulin with dextrose. Which result must the nurse monitor closely over the next hours?

1. ABlood glucose, because hypoglycemia can occur
2. BSerum sodium, because it rises quickly
3. CSerum calcium, because it falls sharply
4. DHemoglobin, because insulin causes red cell loss

A patient had a total thyroidectomy yesterday. Which laboratory value is most important to monitor in the first days after surgery?

1. ASerum calcium
2. BSerum sodium
3. CSerum potassium
4. DSerum glucose

A patient with long-term heavy alcohol use is admitted with alcohol withdrawal. Which group of electrolyte problems is most common?

1. ALow chloride, high bicarbonate and high calcium
2. BHigh sodium, high calcium and high glucose
3. CHigh magnesium, high phosphate and high potassium
4. DLow magnesium, low phosphate and low potassium

Un paziente con carcinoma mammario metastatico ha un calcio di 13,2 mg/dL (3,3 mmol/L), è confuso e stitico. Quale trattamento prescritto si aspetterebbe l'infermiere di avviare per primo?

1. ARiposo assoluto a letto
2. BIntegratori orali di calcio
3. CCloruro di sodio allo 0,9% endovena
4. DUn diuretico tiazidico