Critical Care Nursing Flashcards
7 cards from real SAUDI PROMETRIC NURSING practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Critical Care Nursing flashcards as text
A patient in the ICU develops acute respiratory distress syndrome (ARDS). Which ventilator strategy is most appropriate?
Answer: Low tidal volume (6 mL/kg IBW) with permissive hypercapnia
Lung-protective ventilation with low tidal volumes (6 mL/kg IBW) reduces ventilator-induced lung injury in ARDS.
A critically ill patient has a serum potassium of 6.8 mEq/L with peaked T-waves on ECG. Which intervention takes priority?
Answer: Administer IV calcium gluconate
Calcium gluconate stabilizes the cardiac membrane and is the first-line emergency treatment for severe hyperkalemia with ECG changes.
Which parameter best reflects global tissue oxygen delivery and consumption in a critically ill patient?
Answer: Mixed venous oxygen saturation (SvO2)
Mixed venous oxygen saturation (SvO2) reflects the balance between oxygen delivery and consumption at the tissue level.
A nurse caring for a mechanically ventilated patient notices the high-pressure alarm is triggering repeatedly. What is the FIRST action?
Answer: Manually ventilate the patient with a bag-valve mask
Manual ventilation ensures the patient receives adequate breaths while the cause of the high-pressure alarm is investigated.
A patient receiving total parenteral nutrition (TPN) via central line develops fever, chills, and hypotension. The nurse suspects catheter-related bloodstream infection (CRBSI). What should be done FIRST?
Answer: Obtain blood cultures from the central line and a peripheral site
Blood cultures from both the central line and a peripheral vein are essential to confirm CRBSI before initiating treatment.
In a patient with increased intracranial pressure (ICP), which nursing position is most appropriate?
Answer: Head of bed elevated 30–45 degrees with head midline
Elevating the head of bed 30–45 degrees with the head in midline promotes venous drainage and reduces ICP.
Which acid-base disturbance is most commonly seen in a patient with prolonged nasogastric suctioning?
Answer: Metabolic alkalosis
Loss of hydrochloric acid through NG suctioning causes metabolic alkalosis due to excess bicarbonate relative to acid.
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