Lembaran kerja Nilai makmal & elektrolit dengan jawapan

At what time of day is serum cortisol normally highest?

1. AAround midnight
2. BAfter the evening meal
3. CLate afternoon
4. DEarly morning

Where is urea, measured as blood urea nitrogen (BUN), made?

1. AIn the bone marrow, from old red blood cells
2. BIn the kidneys, from the breakdown of glucose
3. CIn the liver, from the breakdown of protein
4. DIn the muscles, from the breakdown of creatine

Vitamin B₁₂ deficiency typically causes which type of anemia?

1. AAplastic anemia, with an empty bone marrow
2. BMicrocytic anemia, with small red cells
3. CMacrocytic anemia, with large red cells
4. DHemolytic anemia, with destroyed red cells

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. AHepatitis B virus
2. BStaphylococcus aureus
3. CCandida albicans
4. DGroup B Streptococcus

Seorang pesakit yang mengambil warfarin untuk fibrilasi atrium mempunyai INR 5.2 dan tiada pendarahan. Apakah tindakan terbaik jururawat?

1. ABeri dos berganda
2. BMenasihati pesakit supaya berhenti makan sayur-sayuran hijau mulai hari ini
3. CTahan dos warfarin dan maklumkan pemreskripsi
4. DBeri dos biasa dan semak semula dalam sebulan

A urine culture report states "mixed growth of three organisms, likely contamination." What is the nurse's best response?

1. AInform the provider and arrange a new, correctly collected sample
2. BStart treatment for all three organisms with three antibiotics
3. CDiscard the report, because a mixed growth is always normal
4. DRecord the result as a confirmed urinary tract infection

The nurse teaches a patient with severe neutropenia after chemotherapy. Which statement shows a need for further teaching?

1. A"I'll avoid people who have a cold or the flu"
2. B"I'll wash my hands before eating and after the toilet"
3. C"I'll call the clinic if my temperature rises"
4. D"I'll check my temperature rectally to be accurate"

Selepas pembedahan, seorang pesakit yang menerima cecair IV hipotonik dalam isi padu besar mengalami sakit kepala, loya dan kekeliruan. Keputusan manakah yang paling baik menjelaskan ini?

1. AKalium 4.2 mEq/L
2. BKalsium 9.4 mg/dL (2.35 mmol/L)
3. CNatrium 126 mEq/L
4. DGlukosa 110 mg/dL (6.1 mmol/L)