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2 Severe Sodium Abnormalities Online Quiz Questions

Use this free practice quiz with 20 questions to review 2 Severe Sodium Abnormalities, test your knowledge, and prepare for your next test or exam.

20 questions
01
True or false
1 point

True or false: Hypernatremia usually indicates too little body water relative to sodium.

  1. A

    True

  2. B

    False

02
Fill in the blank
1 point

In severe hyponatremia, water can shift into brain cells and cause .

03
Choose one
1 point

A patient has a seizure and a serum sodium of 112 mmol/L; the duration of hyponatremia is unknown. What is the appropriate urgent treatment goal?

  1. A

    Give free water to lower the sodium further.

  2. B

    Give 3% hypertonic saline promptly under experienced supervision, aiming for a small controlled rise.

  3. C

    Wait until the duration of hyponatremia is known before treating.

  4. D

    Raise sodium immediately to the normal range.

04
True or false
1 point

True or false: If the duration of hypernatremia is unknown, manage it as chronic unless evidence indicates otherwise.

  1. A

    True

  2. B

    False

05
Choose one
1 point

An older adult with hypernatremia is confused and hypotensive. What is the first fluid priority if the patient is intravascularly depleted or in shock?

  1. A

    Begin with free water to lower the sodium immediately.

  2. B

    Use 3% hypertonic saline to raise the sodium.

  3. C

    Restore circulation first with isotonic crystalloid.

  4. D

    Delay all fluids until the duration of hypernatremia is established.

06
Fill in the blank
1 point

After perfusion is stabilized, an appropriate IV fluid to replace a free-water deficit is .

07
Choose all
1 point

Which factors are recognized risks for osmotic demyelination syndrome during correction of chronic hyponatremia? Select all that apply.

  1. A

    Alcohol use disorder

  2. B

    Limited access to water

  3. C

    Malnutrition

  4. D

    Very low starting sodium

  5. E

    Hypokalemia

  6. F

    Hypotension

08
Written response
1 point

What delayed neurologic complication can follow rapid correction of chronic hyponatremia?

09
Choose all
1 point

During treatment of a severe sodium disorder, which monitoring practices are appropriate? Select all that apply.

  1. A

    Check sodium frequently and monitor urine output.

  2. B

    Stop monitoring once the first sodium result improves.

  3. C

    Track symptoms and fluid balance.

  4. D

    Monitor only the patient's temperature.

10
Choose one
1 point

A patient receiving treatment for severe hyponatremia develops a sudden increase in urine output. What should the team infer?

  1. A

    It confirms that sodium correction has stopped.

  2. B

    It means sodium testing can be less frequent.

  3. C

    It may signal unexpectedly rapid sodium correction, so reassess closely.

  4. D

    It proves that the patient has developed osmotic demyelination.

11
Choose one
1 point

For hypernatremia of unknown duration, which is a commonly cited upper limit for sodium reduction over 24 hours?

  1. A

    Lower sodium as quickly as possible until it is normal.

  2. B

    Commonly avoid lowering sodium by more than about 10 mmol/L in 24 hours.

  3. C

    Keep sodium unchanged for 24 hours, then normalize it at once.

  4. D

    Use the same initial sodium-rise target used for severe symptomatic hyponatremia.

12
Open ended
1 point

A hypotensive patient has hypernatremia of 168 mmol/L, and the duration is unknown. Describe the order of fluid treatment, the general correction approach, and what should be monitored.

13
Choose one
1 point

An older adult with limited access to water has a markedly elevated serum sodium. Which underlying imbalance does hypernatremia usually indicate?

  1. A

    Too much body water relative to sodium

  2. B

    Too little body water relative to sodium

  3. C

    Excess sodium inside brain cells

  4. D

    A primary loss of sodium from the blood

14
Choose one
1 point

A patient with hypernatremia is hypotensive and intravascularly depleted. What is the first fluid priority?

  1. A

    Give oral water immediately, regardless of the patient's condition

  2. B

    Start hypotonic fluid to lower sodium as quickly as possible

  3. C

    Restore circulation with isotonic crystalloid

  4. D

    Withhold fluids until the sodium level is rechecked

15
Choose one
1 point

After circulation has been restored in a patient with hypernatremia, what should the fluid plan address next?

  1. A

    Continue isotonic crystalloid as the only fluid, regardless of the measured response

  2. B

    Replace the free-water deficit and ongoing losses with a suitable oral, enteral, or IV approach

  3. C

    Stop all fluid replacement once blood pressure improves

  4. D

    Lower the sodium to normal immediately with a large volume of hypotonic fluid

16
True or false
1 point

In severe symptomatic hyponatremia, treatment should aim to normalize serum sodium immediately.

  1. A

    True

  2. B

    False

17
Written response
1 point

What brain complication can occur when severe hyponatremia causes water to shift into brain cells?

18
Choose one
1 point

A patient with severe hyponatremia presents after a seizure. Which immediate treatment approach is appropriate?

  1. A

    Promptly give monitored 3% hypertonic saline under experienced supervision

  2. B

    Wait for the hyponatremia duration to be established before treating the seizure

  3. C

    Give hypotonic fluid to reduce the serum sodium further

  4. D

    Aim to normalize sodium before addressing the patient's symptoms

19
Written response
1 point

A patient with chronic hyponatremia is considered at high risk for osmotic demyelination. What is the generally recommended maximum sodium rise in any 24-hour period?

20
Written response
1 point

For a patient with hyponatremia who is not considered at high risk for osmotic demyelination, what cumulative sodium rise over 48 hours is a commonly used upper correction limit?