Phiếu bài tập Giá trị xét nghiệm và điện giải có đáp án

Which blood marker is the most specific for injury to the heart muscle?

1. ASerum myoglobin
2. BTotal creatine kinase
3. CCardiac troponin
4. DLactate dehydrogenase

What does a "stat" laboratory order mean?

1. AThe test is done immediately
2. BThe test is done at night
3. CThe test is done if time allows
4. DThe test is done next week

A serum sodium of 151 mEq/L is called:

1. AHypernatremia
2. BHyponatremia
3. CHyperkalemia
4. DHypercalcemia

A woman with hyperemesis gravidarum has vomited for 3 days. Which urine finding would the nurse expect?

1. ANitrites
2. BRed cell casts
3. CBilirubin
4. DKetones

In the US, when is a pregnant woman without known risk factors usually screened for gestational diabetes?

1. AOnly after the baby is born
2. BAt about 6–8 weeks of pregnancy
3. CAt about 24–28 weeks of pregnancy
4. DAt about 38–40 weeks of pregnancy

In countries that screen all pregnant women (such as the US), a vaginal-rectal swab is taken at about 36–37 weeks. Which organism is it screening for?

1. AHepatitis B virus
2. BGroup B Streptococcus
3. CStaphylococcus aureus
4. DCandida albicans

A patient has fatigue, weight gain and constipation. Results: TSH 24 mIU/L, free T₄ low, total cholesterol 285 mg/dL (7,4 mmol/L), sodium 131 mEq/L. What is the best interpretation?

1. AFamilial hypercholesterolemia, unrelated to the thyroid results
2. BPrimary hypothyroidism, which can raise lipids and lower sodium
3. CSecondary hypothyroidism from failure of the pituitary gland
4. DHyperthyroidism, with suppressed thyroid hormone production

A young woman with frequent self-induced vomiting has swollen salivary glands. Which laboratory pattern is most likely?

1. AHigh potassium, low bicarbonate and low amylase
2. BHigh calcium, high phosphate and high glucose
3. CLow potassium, high bicarbonate and high amylase
4. DLow sodium, low bicarbonate and high lipase