Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

What is the main effect of antidiuretic hormone (ADH) on the kidneys?

1. AMore water is excreted, so the urine becomes dilute
2. BMore glucose is excreted, so the urine contains sugar
3. CMore water is reabsorbed, so urine is concentrated
4. DMore potassium is reabsorbed, so the serum potassium rises

What is a typical reference range for the prothrombin time (PT) in a person not taking anticoagulants?

1. AAbout 2–4 seconds
2. BAbout 11–13,5 seconds
3. CAbout 60–90 seconds
4. DAbout 3–5 minutes

Which gland produces thyroid-stimulating hormone (TSH)?

1. AThe adrenal cortex
2. BThe parathyroid glands
3. CThe anterior pituitary gland
4. DThe thyroid gland itself

A patient takes low-dose methotrexate weekly for rheumatoid arthritis. Which laboratory tests are monitored regularly?

1. ASerum lithium, sodium and urine specific gravity
2. BSerum amylase, lipase and blood ketones
3. CTroponin, creatine kinase and myoglobin
4. DComplete blood count, liver tests and kidney function

A patient taking a statin reports new, unexplained muscle pain and weakness. Which laboratory test would the nurse expect to be ordered?

1. ASerum lipase
2. BCardiac troponin
3. CSerum ammonia
4. DCreatine kinase (CK)

A patient with iron-deficiency anemia started oral iron. Which result is usually the earliest sign that treatment is working?

1. AA fall in the white cell count
2. BA rise in the platelet count
3. CA fall in the mean cell volume (MCV)
4. DA rise in the reticulocyte count

A patient stopped long-term prednisone suddenly a week ago. Now: blood pressure 78/46 mm Hg, sodium 128 mEq/L, potassium 4,6 mEq/L, glucose 58 mg/dL (3,2 mmol/L). Which condition is most likely?

1. AAcute adrenal insufficiency (adrenal crisis)
2. BSyndrome of inappropriate ADH (SIADH)
3. CPrimary hyperaldosteronism (Conn syndrome)
4. DCushing syndrome from steroid excess

A young adult has fatigue, bruising and fever. The white cell count is 85 × 10³/µL with many blasts, the hemoglobin is 7,9 g/dL (79 g/L) and the platelets are 22 × 10³/µL. What is the most likely diagnosis?

1. AAcute viral infection
2. BIron-deficiency anemia
3. CPolycythemia vera
4. DAcute leukemia