Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

Berapa rentang rujukan dewasa yang khas untuk magnesium serum?

1. ASekitar 6,0–8,0 mEq/L (3,0–4,0 mmol/L)
2. BSekitar 0,3–0,7 mEq/L (0,15–0,35 mmol/L)
3. CSekitar 1,3–2,1 mEq/L (0,65–1,05 mmol/L)
4. DSekitar 3,5–5,0 mEq/L (1,75–2,5 mmol/L)

In a person with HIV infection, a CD4 count below which level defines AIDS?

1. A1,000 cells/µL
2. B500 cells/µL
3. C50 cells/µL
4. D200 cells/µL

In iron-deficiency anemia, the total iron-binding capacity (TIBC) is usually:

1. ANormal
2. BLow
3. CAbsent
4. DHigh

In countries that screen all pregnant women (such as the US), a vaginal-rectal swab is taken at about 36–37 weeks. Which organism is it screening for?

1. AGroup B Streptococcus
2. BStaphylococcus aureus
3. CHepatitis B virus
4. DCandida albicans

How often is the INR usually checked when warfarin is first started?

1. AEvery few days, until it is stable
2. BOnce a year, at a routine visit
3. CEvery hour, during the first week
4. DOnly if bleeding occurs at home

Apart from the lithium level, which tests are monitored regularly in long-term lithium therapy?

1. AKidney function and thyroid function
2. BLiver enzymes and serum amylase
3. CTroponin and creatine kinase (CK)
4. DINR and the platelet count

A patient on long-term amiodarone has fatigue and weight gain. TSH is 11 mIU/L and the free T₄ is low. What is the most likely explanation?

1. AA normal response to amiodarone needing no action
2. BSecondary hypothyroidism from pituitary failure
3. CAmiodarone-induced hypothyroidism
4. DAmiodarone-induced hyperthyroidism

A patient has fatigue, weight loss, darkening of the skin and low blood pressure. Results: sodium 130 mEq/L, potassium 5,6 mEq/L. Which test pattern would confirm primary adrenal insufficiency (Addison disease)?

1. ALow cortisol with a low ACTH
2. BHigh cortisol with a low ACTH
3. CLow cortisol with a high ACTH
4. DHigh cortisol with a high ACTH