Робочий аркуш «Лабораторні показники та електроліти» з відповідями

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

1. A1,25-dihydroxyvitamin D
2. B25-hydroxyvitamin D
3. CParathyroid hormone
4. DSerum phosphate

A laboratory reports that a blood sample is "hemolyzed." What does this mean?

1. AThe sample contains too many platelets
2. BRed cells in the sample have broken open
3. CThe sample has a very low hemoglobin
4. DThe sample was taken from an artery

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

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

A patient without symptoms has a fasting plasma glucose of 132 mg/dL (7,3 mmol/L) on Monday and 138 mg/dL (7,7 mmol/L) on Thursday. What does this show?

1. AThe results show prediabetes only
2. BThe results meet the criteria for diabetes
3. CThe results are within the normal fasting range
4. DThe results show reactive hypoglycemia

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 week after a splenectomy, a patient's platelet count is 650 × 10³/µL. What is the best interpretation?

1. AAn expected rise after splenectomy that increases clot risk
2. BA sign of iron overload from the surgery and transfusion
3. CA laboratory error, because platelets fall after splenectomy
4. DA sign of new leukemia that needs immediate chemotherapy

A nursing student has a positive interferon-gamma release assay (IGRA) for tuberculosis, no symptoms and a normal chest X-ray. What does this most likely mean?

1. AA false result, as the test does not detect TB
2. BLatent TB infection, which is not contagious
3. CActive pulmonary TB, which is contagious
4. DPast BCG vaccination only, with no infection

The nurse teaches a patient who is collecting a 24-hour urine sample at home. Which statement shows a need for further teaching?

1. A"I'll ask whether any foods or drugs should be avoided first"
2. B"I'll keep the container cool as the laboratory told me to"
3. C"If I forget to save one void, I'll just carry on to the end"
4. D"I'll empty my bladder at the end time and add that urine"