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

A positive hepatitis B surface antigen (HBsAg) test means:

  1. AThe person is immune from vaccination only
  2. BThe person currently has hepatitis B infection
  3. CThe person has never met the virus
  4. DThe person had hepatitis A in the past
2.Lengvas

What does a positive direct antiglobulin test (direct Coombs test) show?

  1. AThe patient's plasma is missing the clotting factor VIII
  2. BThe patient's red cells are too small and contain little hemoglobin
  3. CThe patient's platelets are clumping together in the blood sample
  4. DAntibodies or complement are attached to the patient's red cells
3.Lengvas

Koks būdingas suaugusiojo kraujo karbamido azoto (BUN) atskaitos intervalas?

  1. AMaždaug 70–99 mg/dL (karbamidas 25–35 mmol/L)
  2. BMaždaug 0,6–1,2 mg/dL (karbamidas 0,2–0,4 mmol/L)
  3. CMaždaug 135–145 mg/dL (karbamidas 48–52 mmol/L)
  4. DMaždaug 7–20 mg/dL (karbamidas 2,5–7,1 mmol/L)
4.Vidutinis

A patient is scheduled for a liver biopsy. Which laboratory results should the nurse check before the procedure?

  1. ATSH and free T4
  2. BPlatelet count and PT/INR
  3. CHbA1c and lipid panel
  4. DSerum sodium and chloride
5.Vidutinis

A patient with joint aches has a positive antinuclear antibody (ANA) test. Which statement is correct?

  1. AA positive ANA means the patient has a viral infection
  2. BA positive ANA rules out all other autoimmune diseases
  3. CA positive ANA supports lupus but does not diagnose it alone
  4. DA positive ANA proves the patient has rheumatoid arthritis
6.Vidutinis

A patient on hemodialysis has an arteriovenous (AV) fistula in the left arm. Where should the nurse draw routine blood samples?

  1. AFrom the fistula
  2. BFrom the right arm
  3. CFrom the left hand
  4. DFrom the left wrist
7.Sunkus

A trauma patient receives many units of blood quickly and then develops muscle twitching and low blood pressure. Which laboratory value is most likely to explain this?

  1. AA low serum glucose
  2. BA high serum magnesium
  3. CA high serum sodium
  4. DA low ionized calcium
8.Sunkus

A patient with acute kidney injury after severe dehydration has a rising creatinine. Which urine findings support a prerenal cause rather than acute tubular necrosis (ATN)?

  1. AWhite cell casts with positive nitrites on the dipstick
  2. BRed cell casts with heavy protein loss in the urine
  3. CHigh urine sodium and dilute urine with muddy brown granular casts
  4. DLow urine sodium and concentrated urine with a high specific gravity

Atsakymai

  1. 1. B · The person currently has hepatitis B infection
  2. 2. D · Antibodies or complement are attached to the patient's red cells
  3. 3. D · Maždaug 7–20 mg/dL (karbamidas 2,5–7,1 mmol/L)
  4. 4. B · Platelet count and PT/INR
  5. 5. C · A positive ANA supports lupus but does not diagnose it alone
  6. 6. B · From the right arm
  7. 7. D · A low ionized calcium
  8. 8. D · Low urine sodium and concentrated urine with a high specific gravity

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