정답이 있는 검사 수치와 전해질 학습지

Which findings are typical of a low serum magnesium?

1. ATremor, hyperreflexia and cardiac arrhythmias
2. BLoss of reflexes, flushing and slow breathing
3. CPolyuria, extreme thirst and pale urine
4. DJaundice, itching and pale stools

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

1. AAbout 2.0–3.0 mEq/L
2. BAbout 10–20 mEq/L
3. CAbout 0.6–1.2 mEq/L
4. DAbout 3.5–5.0 mEq/L

Using American Diabetes Association (ADA) criteria, which HbA1c range is classed as prediabetes?

1. A4.0–5.6% (20–38 mmol/mol)
2. B6.5–7.5% (48–58 mmol/mol)
3. C8.0–9.0% (64–75 mmol/mol)
4. D5.7–6.4% (39–47 mmol/mol)

A healthy patient has a mildly raised CK after running a marathon yesterday, without dark urine or symptoms. What is the most likely explanation?

1. AAn acute myocardial infarction has occurred
2. BThe patient has developed acute pancreatitis
3. CThe patient has developed acute hepatitis
4. DStrenuous exercise raised CK from skeletal muscle

A patient has had severe watery diarrhea for 4 days. Which laboratory pattern would the nurse expect?

1. AHigh sodium and high calcium
2. BHigh potassium and high bicarbonate
3. CLow glucose and high magnesium
4. DLow potassium and low bicarbonate

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

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

A patient's low calcium does not improve despite several days of calcium replacement. Which other electrolyte should be checked and corrected?

1. ASodium
2. BBicarbonate
3. CMagnesium
4. DChloride

A patient with schizophrenia drinks very large amounts of water each day. Sodium is 121 mEq/L, and the urine is very dilute (urine osmolality 70 mOsm/kg). Which explanation fits best?

1. APrimary (psychogenic) polydipsia
2. BHyperosmolar hyperglycemic state
3. CCentral diabetes insipidus
4. DSyndrome of inappropriate ADH