ورقة عمل القيم المخبرية والشوارد مع الإجابات

A tuberculin skin test (TST) is read as positive. What does this mean?

1. AThe person definitely has active, contagious pulmonary TB
2. BThe person has been infected with TB bacteria at some point
3. CThe person has never been exposed to TB bacteria
4. DThe person is fully immune and can never develop TB

A raised alkaline phosphatase (ALP) is most typical of:

1. ABlocked bile flow or increased bone turnover
2. BInflammation of the lining of the urinary bladder
3. CAcute damage to the heart muscle
4. DLow production of hormone by the thyroid gland

What is a typical reference range for the reticulocyte count in an adult?

1. AAbout 0,5–2% of red cells
2. BAbout 10–20% of red cells
3. CAbout 0,01–0,05% of red cells
4. DAbout 40–50% of red cells

A patient with hepatic encephalopathy is receiving lactulose. Which finding best shows that the treatment is effective?

1. ANo bowel movement for 2 days and calm sleep
2. BTwo to three soft stools a day and clearer thinking
3. CSix to eight watery stools a day with dizziness
4. DA rising serum ammonia with a slower flapping tremor

The heparin infusion rate was changed according to protocol. When is the aPTT usually rechecked?

1. AAbout 3 days after the change
2. BAbout 6 hours after the change
3. COnly after the infusion is stopped
4. DAbout 30 minutes after the change

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 shows severe liver failure is present
3. CThe color proves blood is present in the urine
4. DThe dye can interfere with dipstick color readings

A patient taking isoniazid for latent TB reports nausea, loss of appetite and dark urine. The ALT is five times the upper limit of normal. What is the best action?

1. AReassure the patient that dark urine is a harmless drug effect
2. BContinue the isoniazid and give it with food to settle the stomach
3. CHold the isoniazid and report the findings to the prescriber at once
4. DDouble the dose to finish the treatment course more quickly

The nurse prepares a patient for a 2-hour oral glucose tolerance test tomorrow morning. Which statement shows a need for further teaching?

1. A"I'll fast overnight but can drink plain water"
2. B"I can have a light breakfast before the test"
3. C"I'll avoid smoking until the test is over"
4. D"I'll stay seated during the test if I can"