Лабораторные показатели и электролиты: лист заданий с ответами

In many US nursing references, what is the commonly cited therapeutic range for serum lithium in maintenance therapy?

1. AAbout 3,5–5,0 mEq/L
2. BAbout 0,6–1,2 mEq/L
3. CAbout 10–20 mEq/L
4. DAbout 2,0–3,0 mEq/L

Which condition commonly causes a high serum potassium?

1. AKidney failure
2. BSevere diarrhea
3. CLoop diuretic use
4. DRepeated vomiting

What does the red cell distribution width (RDW) describe?

1. AHow long red cells survive in the blood
2. BHow fast the red cells settle in a tube
3. CHow much the red cells vary in size
4. DHow many red cells are young cells

A patient starts lisinopril (an ACE inhibitor). Which laboratory values should the nurse expect to be monitored?

1. ATSH and free T₄
2. BPotassium and creatinine
3. CALT and bilirubin
4. DCalcium and phosphate

A urine culture is ordered for a patient with an indwelling urinary catheter. How should the nurse collect the sample?

1. APour urine from the drainage bag into a sterile cup
2. BDisconnect the catheter from the tubing and let it drain
3. CAspirate from the sampling port with a sterile syringe
4. DRemove the catheter and culture the catheter tip

A patient with pneumonia had a CRP of 180 mg/L on admission and 40 mg/L after 4 days of antibiotics. What does this most likely show?

1. AThe infection has spread to another organ
2. BThe patient has developed a new infection
3. CThe antibiotic is causing liver damage
4. DThe inflammation is settling with treatment

У пациента на инфузии гепарина число тромбоцитов на 7-й день падает с 260 до 110 × 10³/µL. Какое действие наиболее уместно?

1. AНичего не делать, так как число всё ещё чуть выше 100 × 10³/µL
2. BПродолжить инфузию и увеличить скорость по протоколу
3. CПерелить тромбоциты и продолжить гепарин
4. DНемедленно сообщить: возможна гепарин-индуцированная тромбоцитопения

A young woman with frequent self-induced vomiting has swollen salivary glands. Which laboratory pattern is most likely?

1. ALow sodium, low bicarbonate and high lipase
2. BLow potassium, high bicarbonate and high amylase
3. CHigh calcium, high phosphate and high glucose
4. DHigh potassium, low bicarbonate and low amylase