Cevaplı Laboratuvar değerleri ve elektrolitler çalışma kâğıdı

Where are urinary casts formed?

1. AIn the urinary bladder
2. BIn the ureters
3. CIn the urethra
4. DIn the kidney tubules

Lactate is mainly produced when cells:

1. AStore glucose as glycogen in the muscles
2. BBreak down fat completely with oxygen
3. CBreak down protein in the liver for energy
4. DBreak down glucose without enough oxygen

What is a main role of albumin in the blood?

1. AIt forms the mesh that holds a blood clot together
2. BIt fights bacteria by engulfing them in the blood
3. CIt carries oxygen from the lungs to the tissues
4. DIt holds fluid in the vessels by oncotic pressure

A patient with central diabetes insipidus starts desmopressin. Which laboratory result is most important to monitor for an adverse effect?

1. ASerum sodium, which may fall too low
2. BSerum calcium, which may rise too high
3. CSerum potassium, which may rise too high
4. DSerum glucose, which may rise very high

Why is a baseline platelet count taken before starting heparin therapy?

1. ASo a later fall from heparin-induced thrombocytopenia is detected
2. BBecause heparin is given at a dose based on the platelet count
3. CBecause heparin increases the platelet count to dangerous levels
4. DSo that the INR can be calculated from the platelet count later

A patient taking phenazopyridine for bladder pain has bright orange urine. What should the nurse know about urine tests?

1. AThe drug improves the accuracy of all dipsticks
2. BThe color proves blood is present in the urine
3. CThe color shows severe liver failure is present
4. DThe dye can interfere with dipstick color readings

The nurse teaches a patient about the HbA1c test. Which statement shows a need for further teaching?

1. A"A lower result means less risk of damage to my eyes and kidneys"
2. B"I must not eat anything for 12 hours before the HbA1c test"
3. C"My daily finger-stick readings still matter between the tests"
4. D"The test shows my average glucose over the past few months"

A patient with schizophrenia drinks very large amounts of water each day. Sodium is 121 mEq/L, and the urine is very dilute (urine osmolality 70 mOsm/kg). Which explanation fits best?

1. AHyperosmolar hyperglycemic state
2. BCentral diabetes insipidus
3. CSyndrome of inappropriate ADH
4. DPrimary (psychogenic) polydipsia