Užduočių lapas tema Laboratorinės reikšmės ir elektrolitai su atsakymais
Nemokamas spausdinamas užduočių lapas tema Laboratorinės reikšmės ir elektrolitai: 8 uždavinių nuo lengvų iki egzamino lygio, su atsakymais. Atsispausdinkite arba išsaugokite kaip PDF.
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Vardas: ____________________ Data: ____________
1.Lengvas
What does a positive direct antiglobulin test (direct Coombs test) show?
AThe patient's red cells are too small and contain little hemoglobin
BAntibodies or complement are attached to the patient's red cells
CThe patient's plasma is missing the clotting factor VIII
DThe patient's platelets are clumping together in the blood sample
2.Lengvas
Koks būdingas suaugusiojo kreatinino koncentracijos serume atskaitos intervalas?
AMaždaug 135–145 mg/dL
BMaždaug 3,5–5,0 mg/dL
CMaždaug 10–20 mg/dL
DMaždaug 0,6–1,2 mg/dL
3.Lengvas
About what proportion of total serum calcium is in the free (ionized) form?
ANearly all
BAlmost none
CAbout half
DAbout one tenth
4.Vidutinis
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?
AThe results meet the criteria for diabetes
BThe results show reactive hypoglycemia
CThe results show prediabetes only
DThe results are within the normal fasting range
5.Vidutinis
Prieš duodant paskirtą kalio chloridą į veną, koks vertinimas svarbiausias?
AOdos turgoras dilbyje
BAbiejų ausų klausa
CVyzdžių dydis ir reakcija į šviesą
DŠlapimo kiekis ir inkstų funkcija
6.Vidutinis
A patient with type 1 diabetes has the flu, is eating little and has a glucose of 290 mg/dL (16,1 mmol/L). Which advice is correct?
AStop all insulin until you are eating normally again
BKeep taking insulin and check blood or urine ketones
CWait 3 days before checking the glucose again
DDrink only water and avoid all carbohydrate foods
7.Sunkus
Which cerebrospinal fluid (CSF) pattern most strongly suggests bacterial meningitis?
AClear fluid, normal glucose, mildly raised protein, lymphocytes
BClear fluid, normal glucose, normal protein, no white cells
CCloudy fluid, low glucose, high protein, many neutrophils
DClear fluid, high glucose, low protein, many red cells
8.Sunkus
A patient with diabetes and chronic kidney disease had a CT scan with IV contrast. Two days later, the creatinine has risen from 1,4 to 2,0 mg/dL (124 to 177 µmol/L). Which action is most appropriate?
AIgnore it, because contrast never affects kidney function
BRestrict all fluids to protect the kidneys from more contrast
CGive extra metformin, because the glucose rises after contrast
DReport it, monitor urine output and hold metformin until reviewed
Atsakymai
1. B · Antibodies or complement are attached to the patient's red cells
2. D · Maždaug 0,6–1,2 mg/dL
3. C · About half
4. A · The results meet the criteria for diabetes
5. D · Šlapimo kiekis ir inkstų funkcija
6. B · Keep taking insulin and check blood or urine ketones
7. C · Cloudy fluid, low glucose, high protein, many neutrophils
8. D · Report it, monitor urine output and hold metformin until reviewed
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