CCRN

Review 146 CCRN practice questions with answer explanations and community insights.

Question 1

A laboratory report for a patient with chronic kidney disease will show the serum phosphate level is inversely related to the level of serum

  1. potassium.
  2. magnesium.
  3. calcium.
  4. sodium.

Question 2

A patient is intubated and receiving assist control mechanical ventilation and is on a norepinephrine drip following a head injury. Patient data are: Which of the following interventions will improve cerebral perfusion?

  1. administering prescribed acetaminophen
  2. increasing the norepinephrine rate
  3. suctioning the airway
  4. requesting an ABG

Question 3

A patient is receiving continuous enteral feedings via jejunostomy tube. The patient develops mild, intermittent diarrhea. Which of the following actions is most appropriate?

  1. Review the patient's formula with nutrition services.
  2. Obtain an abdominal x-ray.
  3. Consider PICC line placement.
  4. Contact the physician for an order to hold feedings.

Question 4

A patient is intubated, is unable to follow simple commands, and has no history of alcohol abuse. The patient has become increasingly disoriented and confused over the past 24 hours. After assessment and treatment of pain, the best medication intervention for management is

  1. lorazepam (Ativan).
  2. dexmedetomidine (Precedex).
  3. midazolam (Versed).
  4. cisatracurium (Nimbex).

Question 5

The major therapeutic effects of calcium-channel blockers in a patient with unstable angina include which of the following?

  1. decreased contractility and increased preload
  2. increased contractility and decreased afterload
  3. decreased HR and increased afterload
  4. increased coronary flow and decreased afterload
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