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Which statement is true regarding oral care for the prevention of ventilator-associated pneumonia (VAP)? (Select all that apply.)
- A. Tooth brushing is performed every 2 hours for the greatest effect.
- B. Implementing a comprehensive oral care program is an intervention for preventing WWW .THENURSINGMASTERY.COM VAP.
- C. Oral care protocols should include oral suctioning and brushing teeth.
- D. Protocols that include chlorhexidine gluconate have beaebnirb e.cfofme/ctetsivt e in preventing VAP.
Correct Answer: B
Rationale: The correct answer is B. Implementing a comprehensive oral care program is an intervention for preventing VAP. This statement is true because proper oral care, including brushing teeth, oral suctioning, and using chlorhexidine gluconate, has been shown to reduce the risk of VAP by decreasing the colonization of pathogenic bacteria in the oral cavity. Regular oral care helps maintain oral hygiene and reduce the risk of aspiration of bacteria into the lungs, which is a common cause of VAP.
Incorrect Answer Analysis:
A: Tooth brushing every 2 hours may be excessive and could potentially cause harm to the oral mucosa, leading to increased risk of infection.
C: While oral suctioning and brushing teeth are important components of oral care, the statement is not comprehensive enough to address the full range of interventions needed to prevent VAP.
D: While chlorhexidine gluconate can be effective in preventing VAP, the statement implies that it is the only effective intervention, which is not true.
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assessment, the patient is restless, heart rate has increased to 110 beats/min, respirations are 36 breaths/min, and blood pressure is 156/98 mm Hg. The cardiac monitor shows sinaubsir bt.acocmh/ytecsat rdia with 10 premature ventricular contractions (PVCs) per minute. Pulmonary artery pressures are elevated. The nurse suctions the patient and obtains pink, frothy secretio ns. Loud crackles are audible throughout lung fields. The nurse notifies the physician, w ho orders an ABG analysis, electrolyte levels, and a portable chest x-ray study. How d oes the nurse interpret the following blood gas levels? pH 7.28 PaCO 46 mm Hg Bicarbonate 22 mEq/L PaO 58 mm Hg O saturation 88% 2
- A. Hypoxemia and compensated respiratory alkalosis
- B. Hypoxemia and uncompensated respiratory acidosis
- C. Normal arterial blood gas levels
- D. Normal oxygen level and partially compensated metabaobliribc.c aomci/dteosts is
Correct Answer: B
Rationale: The correct answer is B: Hypoxemia and uncompensated respiratory acidosis.
Step-by-step rationale:
1. pH is low (7.28), indicating acidosis.
2. PaCO2 is elevated (46 mm Hg), indicating respiratory acidosis.
3. PaO2 is low (58 mm Hg), indicating hypoxemia.
4. Bicarbonate is within normal range (22 mEq/L), suggesting no compensation for the acidosis.
5. Oxygen saturation is low (88%), supporting the presence of hypoxemia.
Summary:
A: Incorrect - pH is low, not indicating compensated alkalosis.
C: Incorrect - Various abnormalities in the blood gas levels are present.
D: Incorrect - There is hypoxemia and uncompensated acidosis, not metabolic alkalosis.
The nurse is caring for a terminally ill patient who has 20-second periods of apnea followed by periods of deep and rapid breathing. Which action by the nurse would be most appropriate?
- A. Suction the patient.
- B. Administer oxygen via face mask.
- C. Place the patient in a high Fowler’s position.
- D. Document the respirations as Cheyne-Stokes.
Correct Answer: D
Rationale: The correct answer is D because the patient is exhibiting Cheyne-Stokes breathing pattern characterized by periods of apnea followed by deep and rapid breathing. The nurse should document this pattern accurately. Option A is incorrect as suctioning is not indicated. Option B may worsen the respiratory pattern. Option C is not specifically related to addressing the breathing pattern.
Which action will the nurse need to do when preparing to assist with the insertion of a pulmonary artery catheter?
- A. Determine if the cardiac troponin level is elevated.
- B. Auscultate heart and breath sounds during insertion.
- C. Place the patient on NPO status before the procedure.
- D. Attach cardiac monitoring leads before the procedure.
Correct Answer: D
Rationale: The correct answer is D: Attach cardiac monitoring leads before the procedure. This is essential to monitor the patient's cardiac rhythm and detect any abnormalities during catheter insertion. Cardiac monitoring leads provide real-time information on the patient's heart rate and rhythm, allowing the nurse to promptly address any complications.
A: Determining if the cardiac troponin level is elevated is not directly related to assisting with pulmonary artery catheter insertion.
B: Auscultating heart and breath sounds during insertion is important but does not take precedence over attaching cardiac monitoring leads.
C: Placing the patient on NPO status before the procedure may be necessary for other procedures, but it is not specifically required for assisting with pulmonary artery catheter insertion.
Acute kidney injury from postrenal etiology is caused by
- A. obstruction of the flow of urine.
- B. conditions that interfere with renal perfusion.
- C. hypovolemia or decreased cardiac output.
- D. conditions that act directly on functioning kidney tissue.
Correct Answer: A
Rationale: The correct answer is A because postrenal acute kidney injury is caused by obstruction of urine flow, leading to pressure build-up in the kidneys and subsequent damage. Obstructions can be due to conditions such as kidney stones, tumors, or enlarged prostate. Choices B, C, and D are incorrect as they relate to pre-renal and intrinsic renal causes of acute kidney injury, not specifically postrenal obstruction. B refers to decreased blood flow to the kidneys, C to low volume or poor heart function affecting kidney perfusion, and D to direct damage to kidney tissue, which do not characterize postrenal etiology.
What is the basic underlying pathophysiology of acute respiratory distress syndrome?
- A. A decrease in the number of white blood cells availabl e.
- B. Damage to the right mainstem bronchus.
- C. Damage to the type II pneumocytes, which produce suarbfiarbc.tcaomnt/t.e st
- D. Decreased capillary permeability.
Correct Answer: C
Rationale: The correct answer is C: Damage to the type II pneumocytes, which produce surfactant. Acute respiratory distress syndrome (ARDS) is characterized by damage to the alveolar epithelium, including type II pneumocytes responsible for producing surfactant. Surfactant reduces surface tension in the alveoli, preventing collapse. Damage to type II pneumocytes impairs surfactant production, leading to alveolar collapse and impaired gas exchange. Choices A, B, and D are incorrect because ARDS is not primarily caused by a decrease in white blood cells, damage to the right mainstem bronchus, or decreased capillary permeability.