Cevaplı Laboratuvar değerleri ve elektrolitler çalışma kâğıdı

An eGFR below which value indicates stage 5 chronic kidney disease (kidney failure)?

1. A15 mL/min/1,73 m²
2. B60 mL/min/1,73 m²
3. C90 mL/min/1,73 m²
4. D45 mL/min/1,73 m²

What does a "culture and sensitivity" test of a sample show?

1. AWhether the patient is allergic to an antibiotic
2. BWhich organism grows and which antibiotics work on it
3. CHow many white cells are present in the sample
4. DThe amount of antibiotic in the patient's blood

What is the effect of insulin on serum potassium?

1. AIt moves potassium out of cells, raising the serum level
2. BIt makes the kidneys keep more potassium in the blood
3. CIt moves potassium into cells, lowering the serum level
4. DIt has no effect on potassium in any amount

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?

1. AAfter the symptoms have fully settled
2. BAt any time, as antibiotics do not matter
3. CBefore the first dose of antibiotic
4. DAfter 3 days of antibiotic treatment

A patient with schizophrenia is starting clozapine. Which laboratory value must be monitored regularly?

1. ASerum amylase
2. BSerum lithium level
3. CInternational normalized ratio
4. DAbsolute neutrophil count

A patient with a low clinical probability of deep vein thrombosis has a normal (negative) D-dimer. What is the best interpretation?

1. AA DVT is confirmed and anticoagulation is needed
2. BA pulmonary embolism is now certain to be present
3. CA DVT is unlikely and can usually be ruled out
4. DThe test is useless and should always be ignored

Two sets of blood cultures were taken from separate sites. Only one bottle in one set grows coagulase-negative staphylococci, and the patient has no line or implant. What is the most likely interpretation?

1. ACertain bloodstream infection needing treatment
2. BInfection with a resistant organism such as MRSA
3. CProof that the patient has infective endocarditis
4. DProbable skin contamination of the sample

Ameliyattan sonra büyük hacimlerde hipotonik IV sıvı alan bir hastada baş ağrısı, bulantı ve konfüzyon gelişir. Hangi sonuç bunu en iyi açıklar?

1. A110 mg/dL'lik (6,1 mmol/L) bir glikoz
2. B4,2 mEq/L'lik bir potasyum
3. C126 mEq/L'lik bir sodyum
4. D9,4 mg/dL'lik (2,35 mmol/L) bir kalsiyum