Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

What does the specificity of a diagnostic test describe?

1. AThe cost of the test compared with other tests
2. BThe proportion of people with the disease who test positive
3. CThe proportion of people without the disease who test negative
4. DThe total number of people who take the test each year

Which drug is routinely monitored with blood levels because of its narrow therapeutic range?

1. AOmeprazole
2. BLoratadine
3. CLithium
4. DAmoxicillin

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

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

Seorang pasien yang mengonsumsi digoksin memiliki kadar 2,8 ng/mL dan denyut jantung 52/menit. Apa tindakan terbaik perawat?

1. AMenahan dosis dan memberi tahu penulis resep
2. BMemberikan dosis dan memeriksa ulang kadar dalam sebulan
3. CMemberikan dosis, karena denyut jantung di atas 50/menit
4. DMemberikan dosis ganda untuk memperbaiki irama

A patient taking spironolactone asks about using a salt substitute. What should the nurse explain?

1. ASalt substitutes protect against the potassium loss caused by this drug
2. BMost salt substitutes contain potassium and can raise the level too high
3. CSalt substitutes are fine as long as the patient drinks more water
4. DSalt substitutes are safe because they contain only sodium chloride

When should the nurse check the glucose before giving a mealtime dose of rapid-acting insulin (such as lispro)?

1. ATwo hours after the meal, then giving the insulin dose
2. BJust before the meal, giving insulin when the food is ready
3. COnly once a day, then giving the same dose before every meal
4. DAt bedtime only, then giving the mealtime insulin overnight

A woman with preeclampsia is receiving IV magnesium sulfate. Her urine output has fallen and her creatinine is rising. Why is this a concern?

1. APoor kidney function makes the magnesium level fall quickly
2. BMagnesium causes potassium loss, so the kidneys release more fluid
3. CMagnesium is broken down by the liver, so it will stop working soon
4. DMagnesium is excreted by the kidneys, so it can build up to toxic levels

Kadar litium 1,0 mEq/L diambil 2 jam setelah dosis pagi pasien, dan penulis resep berencana menaikkan dosis. Apa yang harus ditunjukkan perawat?

1. AKadarnya terlalu rendah, sehingga peningkatan besar jelas aman
2. BKadarnya toksik, sehingga litium harus dihentikan selamanya
3. CKadar litium dapat diambil kapan saja tanpa memengaruhi hasil
4. DSampel diambil terlalu cepat setelah dosis, sehingga bukan kadar yang valid