DHA Nursing Critical Care & Emergency

Question 1

In adult basic life support (BLS), what is the correct chest compression rate?

Accepted Answer

100–120 compressions per minute

Answer

60–80 compressions per minute

Answer

40–60 compressions per minute

Answer

130–150 compressions per minute

Question 2

Which arterial blood gas (ABG) finding is consistent with respiratory acidosis?

Accepted Answer

pH < 7.35 with PaCO2 > 45 mmHg

Answer

pH > 7.45 with PaCO2 < 35 mmHg

Answer

pH < 7.35 with PaCO2 < 35 mmHg

Answer

pH > 7.45 with PaCO2 > 45 mmHg

Question 3

What does the SBAR communication tool stand for?

Accepted Answer

Situation, Background, Assessment, Recommendation

Answer

Signs, Background, Advice, Report

Answer

Situation, Breathing, Assessment, Response

Answer

Status, Background, Action, Review

Question 4

A patient's SpO2 drops to 88% on room air. What is the nurse's immediate priority?

Accepted Answer

Apply supplemental oxygen and reassess

Answer

Order a chest X-ray first

Answer

Document the finding and wait for rounds

Answer

Administer IV morphine

Question 5

Which early sign of septic shock distinguishes it from other shock types?

Accepted Answer

Warm, flushed skin with hypotension (warm shock phase)

Answer

Cold, clammy, mottled skin initially

Answer

Hypertension with bradycardia

Answer

Absence of fever

Question 6

Which device is used to deliver the highest concentration of oxygen to a spontaneously breathing patient in the ICU?

Accepted Answer

Non-rebreather mask (delivers up to 90–100% O2)

Answer

Nasal cannula (maximum ~44% O2)

Answer

Simple face mask (35–55% O2)

Answer

Venturi mask (24–60% controlled O2)