Cevaplı Laboratuvar değerleri ve elektrolitler çalışma kâğıdı

Which hormone is measured in blood or urine to test for pregnancy?

1. AThyroid-stimulating hormone (TSH)
2. BAntidiuretic hormone (ADH)
3. CHuman chorionic gonadotropin (hCG)
4. DFollicle-stimulating hormone (FSH)

A blood lactate level above about which value is usually considered raised in an adult?

1. A20 mmol/L
2. B2 mmol/L
3. C10 mmol/L
4. D0,2 mmol/L

What is the usual urine dipstick result for protein in a healthy adult?

1. AStrongly positive (+++)
2. BNegative or trace
3. CPositive only in the morning
4. DAlways moderately positive

When blood is drawn from a central venous catheter, why is a small volume of blood usually discarded first, according to policy?

1. ATo remove blood clots that form in all central lines
2. BTo lower the patient's hemoglobin for a blood transfusion
3. CTo avoid diluting the sample with flush or infusion fluid
4. DTo check that the catheter tip is still in the right vein

A patient with a potassium of 2,8 mEq/L has potassium chloride prescribed IV. Which statement about giving it is correct?

1. AIt is given as an undiluted bolus into a large vein to avoid irritation
2. BIt is always diluted and given by infusion pump, never as an IV push
3. CIt is added to the IV bag without mixing, so it stays at the bottom
4. DIt may be given as a slow IV push over one minute if the level is very low

A blood sample drawn just after a patient ate a fatty meal is reported as "lipemic." What does this mean for the results?

1. AThe results are more accurate than in a fasting sample
2. BHigh fat in the sample may interfere with some test results
3. CThe sample was contaminated by an IV fluid with dextrose
4. DThe sample shows the patient has diabetic ketoacidosis

A man of Mediterranean descent develops dark urine, jaundice and a falling hemoglobin a few days after eating fava beans. Which condition is most likely?

1. AIron-deficiency anemia from poor diet
2. BG6PD deficiency with acute hemolysis
3. CSickle cell crisis with vaso-occlusion
4. DVitamin B₁₂ deficiency anemia

A patient's bedside glucose meter shows "HI" (above its measuring range). The patient is drowsy. What should the nurse do?

1. ARecord "HI" and repeat the meter test at the next scheduled time
2. BAssume the meter is broken and give the usual insulin dose
3. CSend a venous sample to the lab and inform the provider at once
4. DGive oral glucose in case the reading is wrong and the patient is low