Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

A raised neutrophil count (neutrophilia) is most typical of:

1. AA mild viral cold
2. BHay fever and asthma
3. CVitamin B₁₂ deficiency
4. DAcute bacterial infection

A urine dipstick is positive for nitrites. What does this most likely show?

1. AKetones produced from fat breakdown in fasting
2. BRed blood cells leaking from the glomeruli
3. CGlucose spilling into the urine from high blood levels
4. DBacteria in the urine that convert nitrate to nitrite

Which sample is commonly used to screen a patient for MRSA carriage on admission?

1. AA blood culture from one arm
2. BA swab from the front of the nose
3. CA clean-catch midstream urine sample
4. DA sample of stool sent for culture

A patient takes high-dose biotin supplements for hair and nails. Why should the nurse report this before blood tests?

1. ABiotin makes the blood clot in the tube before testing
2. BBiotin can distort some immunoassays, such as troponin or TSH
3. CBiotin lowers the hemoglobin by destroying the red cells
4. DBiotin causes a true rise in blood glucose in all patients

A pregnant woman's blood type is O Rh-negative, and her antibody screen (indirect Coombs test) is negative. What is usually offered at about 28 weeks?

1. AA transfusion of group O Rh-positive red cells
2. BAn IV dose of vitamin K given for the fetus
3. CAnti-D immunoglobulin (Rho(D) immune globulin)
4. DDaily oral iron and folic acid supplements only

A young adult with new diabetes has a very low C-peptide level. What does this suggest?

1. AThe kidneys are excreting all of the patient's insulin in urine
2. BThe patient is injecting too much insulin and needs a lower dose
3. CThe patient has high insulin resistance, as in type 2 diabetes
4. DThe pancreas is making very little insulin, as in type 1 diabetes

Pola hasil mana yang sesuai dengan SIADH?

1. ANatrium serum rendah, osmolalitas serum rendah, dan urine pekat
2. BNatrium serum tinggi, osmolalitas serum tinggi, dan urine sangat encer
3. CNatrium normal dengan urine sangat encer
4. DNatrium serum rendah, osmolalitas serum tinggi, dan urine encer

Seorang pasien yang mengonsumsi diuretik tiazid memiliki natrium 129 mEq/L, kalium 3,2 mEq/L, dan merasa lemah. Penjelasan mana yang paling sesuai?

1. AHasilnya khas untuk gagal ginjal
2. BPasien mengalami hiperaldosteronisme primer dengan natrium tinggi
3. CDiuretik menyebabkan kehilangan natrium dan kalium
4. DPasien kelebihan cairan hanya dari cairan IV