Wartości laboratoryjne i elektrolity: karta pracy z odpowiedziami
Darmowa karta pracy do druku – Wartości laboratoryjne i elektrolity: 8 zadań od łatwych do poziomu egzaminu, z kluczem odpowiedzi. Wydrukuj ją lub zapisz jako PDF.
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Imię: ____________________ Data: ____________
1.Łatwy
Jaki jest typowy zakres referencyjny liczby płytek krwi u dorosłych?
AOkoło 150–400 × 10³/µL (150–400 × 10⁹/L)
BOkoło 4,5–11 × 10³/µL (4,5–11 × 10⁹/L)
COkoło 12–16 × 10³/µL (12–16 × 10⁹/L)
DOkoło 1000–2000 × 10³/µL (1000–2000 × 10⁹/L)
2.Łatwy
Opukanie nerwu twarzowego przed uchem powoduje drgnięcie kącika ust. Jak nazywa się ten objaw i co sugeruje?
AObjaw Homansa, sugerujący wysoki potas
BObjaw Trousseau, sugerujący wysoki wapń
CObjaw Babińskiego, sugerujący niski sód
DObjaw Chvostka, sugerujący niski wapń
3.Łatwy
On a liver panel, "direct bilirubin" refers to which form of bilirubin?
ATotal urine urobilinogen
BUnconjugated bilirubin
CBilirubin in the stool
DConjugated bilirubin
4.Średni
A patient has burning on urination and frequency. The dipstick is positive for nitrites and leukocyte esterase, and a urine culture is ordered. When should the sample be taken?
ABefore the first dose of antibiotic
BAfter 3 days of antibiotic treatment
CAfter the symptoms have fully settled
DAt any time, as antibiotics do not matter
5.Średni
A patient with joint aches has a positive antinuclear antibody (ANA) test. Which statement is correct?
AA positive ANA proves the patient has rheumatoid arthritis
BA positive ANA means the patient has a viral infection
CA positive ANA rules out all other autoimmune diseases
DA positive ANA supports lupus but does not diagnose it alone
6.Średni
A patient with an upper gastrointestinal bleed has a BUN of 48 mg/dL (urea 17 mmol/L) and a normal creatinine. What is the most likely explanation?
AThe kidneys have suddenly lost most of their function
BDigested blood adds protein, which the liver turns into urea
CSkeletal muscle is breaking down because of the blood loss
DThe liver has stopped making urea because of the bleeding
7.Trudny
A patient on hemodialysis receives epoetin, but the hemoglobin has not risen in 2 months. Which results should be checked first?
ATroponin and creatine kinase
BTSH and the free T3 level
CFerritin and transferrin saturation
DAmylase and lipase levels
8.Trudny
A patient with advanced chronic kidney disease has a mildly raised troponin that has stayed the same on several tests over months. There is no chest pain and the ECG is unchanged. What is the best interpretation?
AA chronic stable rise; infarction needs a rising or falling pattern
BA laboratory error, because troponin is never raised in kidney disease
CA sign of skeletal muscle injury, because troponin comes from all muscles
DProof of an acute myocardial infarction that needs emergency treatment now
Klucz odpowiedzi
1. A · Około 150–400 × 10³/µL (150–400 × 10⁹/L)
2. D · Objaw Chvostka, sugerujący niski wapń
3. D · Conjugated bilirubin
4. A · Before the first dose of antibiotic
5. D · A positive ANA supports lupus but does not diagnose it alone
6. B · Digested blood adds protein, which the liver turns into urea
7. C · Ferritin and transferrin saturation
8. A · A chronic stable rise; infarction needs a rising or falling pattern
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