NU335 Hamodynamics Spring 2026 at Baton Rouge Community College
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Free NU335 Hamodynamics Spring 2026 at Baton Rouge Community College Questions
When the ventilator alarm sounds, the nurse finds the ICU patient lying in bed holding the endotracheal tube (ET). Which action would the nurse take first?
- Assess for respiratory distress and offer reassurance to the patient.
- Support oxygenation as needed by applying a nasal cannula or manually ventilating the patient with 100% oxygen.
- Immediately call the health care provider and assess the need to reintubate.
- Provide sedation and place the patient on their left side.
Explanation
Explanation
When an ICU patient is found holding the ET tube, the priority is to ensure adequate oxygenation and ventilation. The nurse should immediately support oxygenation, either by applying a nasal cannula or manually ventilating the patient with 100% oxygen. This action ensures that the patient’s oxygenation is maintained while further assessment is done to address the cause of the alarm and check the ET tube placement.
The nurse obtains the following 6 second ECG strip on a patient. The nurse interprets this strip as what rhythm? (see attachment)
- A Ventricular tachycardia
- B Ventricular fibrillation
- C Supraventricular tachycardia
- D Atrial fibrillation
Explanation
Explanation:
Ventricular fibrillation (VF) is a shockable rhythm that presents as rapid, erratic electrical activity of the heart. There are no identifiable P waves, QRS complexes, or T waves, and the rhythm is completely disorganized. VF causes the heart to stop pumping blood effectively, leading to a lack of perfusion to vital organs, which is why immediate defibrillation is required.
The healthcare provider orders positive end-expiratory pressure (PEEP) to be added to the settings of a mechanically ventilated patient. Which is the most important information for the nurse to obtain when monitoring for the effectiveness of this intervention?
- Oxygen saturation
- Tidal volume
- Respiratory rate
- Arterial blood pressure
Explanation
Explanation:
PEEP is used to prevent the collapse of alveoli at the end of exhalation, improving oxygenation. The most important parameter to monitor for the effectiveness of PEEP is oxygen saturation (SpO2). An increase in oxygen saturation indicates improved oxygenation, which is the primary goal of applying PEEP. Monitoring oxygen saturation helps the nurse assess if PEEP is effectively enhancing gas exchange and maintaining adequate oxygen levels.
Prescribed: Amiodarone hydrochloride 5 mg/kg as IV push now
Available: Amiodarone hydrochloride 150 mg/3 mL
Patient weight: 80 kg
How many mL will the nurse administer for the prescribed dose?
- 8 mL
- 10 mL
- 12 mL
- 15 mL
Explanation
Solution:
- First, calculate the total prescribed dose:
- 5 mg/kg × 80 kg = 400 mg
- 5 mg/kg × 80 kg = 400 mg
- Next, determine how many mL are needed for the 400 mg dose using the available concentration:
- 150 mg/3 mL = 50 mg/mL
- 400 mg ÷ 50 mg/mL = 8 mL
- 150 mg/3 mL = 50 mg/mL
A cardiac arrest patient has been resuscitated and immediately transferred to ICU. What is the priority assessment by the ICU nurse for the best outcome?
- Assess if patient can follow commands
- Assess for signs of chest pain
- Auscultate bilateral breath sounds
- Assess skin for signs of shock
Explanation
Explanation:
After resuscitation, it is critical to assess for adequate ventilation and oxygenation. The nurse should immediately auscultate bilateral breath sounds to ensure that the patient has proper lung expansion and that the endotracheal tube is in the correct position. This assessment helps detect potential issues such as pneumothorax, airway obstruction, or intubation malposition, which are urgent concerns that can affect the patient's oxygenation and overall stability.
A nurse is caring for a patient with a right radial arterial line. Which action should the nurse take?
- Ensure the pressure bag around the flush solution is inflated to 300 mm Hg.
- Flush the line before administering antibiotics.
- Instruct the patient to bear down when readings are obtained.
- Position the patient in Trendelenburg to obtain readings.
Explanation
Explanation:
A pressure bag around the flush solution should be inflated to 300 mm Hg to ensure continuous and steady flushing of the arterial line. This helps prevent clot formation within the catheter and ensures accurate readings by maintaining the patency of the line. It also helps to provide a consistent flow of saline to clear the catheter.
Following surgery, a patient's central venous pressure (CVP) monitor indicates low pressures. Which action will the nurse anticipate taking?
- Increase the IV fluid infusion rate.
- Elevate the head of the patient's bed to 45 degrees.
- Administer IV diuretic medications.
- Document the CVP and continue to monitor.
Explanation
Explanation:
A low CVP typically indicates hypovolemia or a low circulating blood volume, which can occur after surgery due to blood loss, fluid shifts, or inadequate fluid intake. The primary action the nurse would anticipate is to increase the IV fluid infusion rate to restore blood volume and improve venous return to the heart. This will help raise the CVP to an appropriate level, indicating improved blood circulation and perfusion.
Positive end-expiratory pressure (PEEP) is ordered for a mechanically ventilated patient. The nurse understands that PEEP serves which purpose?
- Decrease the work of breathing
- Decrease the functional residual capacity
- Increase tidal volume
- Improve oxygenation
Explanation
Explanation:
PEEP is a setting on the ventilator that applies positive pressure to the airway during exhalation, preventing the collapse of the alveoli and helping to maintain adequate functional residual capacity (FRC). By keeping the alveoli open, PEEP improves the overall oxygenation by increasing the surface area available for gas exchange and improving ventilation-perfusion matching. This helps the patient to maintain higher oxygen levels in the blood, especially in conditions such as acute respiratory distress syndrome (ARDS).
Amiodarone 300 mg IV push would be administered for which rhythm in the ACLS algorithms?
- Pulseless VT
- Symptomatic bradycardia
- Asystole
- Stable SVT
Explanation
Explanation:
Amiodarone 300 mg IV push is indicated in the ACLS algorithm for pulseless ventricular tachycardia (VT) and ventricular fibrillation (VF) after the initial shock attempts. It is used to stabilize the arrhythmia and improve the chance of successful defibrillation. Amiodarone is a class III antiarrhythmic that helps to suppress abnormal electrical impulses in the heart and is given as a 300 mg IV push in the case of pulseless VT or VF. The dose can be followed by a second dose of 150 mg if needed.
The nurse is analyzing the patient's arterial waveform. The dicrotic notch on the descending limb of the waveform signifies which action?
- Closure of the aortic valve
- Opening of the aortic valve
- Closure of the mitral valve
- Opening of the mitral valve
Explanation
Explanation:
The dicrotic notch on the descending limb of the arterial waveform represents the closure of the aortic valve. It occurs after the peak of the arterial pressure curve (systole), marking the transition from systole to diastole. The closure of the aortic valve causes a brief retrograde flow of blood that is seen as the dicrotic notch. This notch is an important feature in the arterial waveform and is used to assess the functioning of the aortic valve.
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