In a post-surgical unit, the nurse cares for many patients experiencing pain. Which situation is likely to lower a patient’s pain threshold?

A patient who is awaiting biopsy results.

A patient who is anxious.

A patient who is having difficulty sleeping in the hospital setting.

It is the same for all patients who have had surgery.

Answer and Explanation

The Correct Answer is B

Choice A rationale:

Awaiting biopsy results can certainly cause anxiety and stress, but it doesn't directly impact the physiological mechanisms that modulate pain perception.

While a patient awaiting biopsy results may be more attentive to their bodily sensations, including pain, the anxiety itself is not the primary driver of a lowered pain threshold.

It's important to address the patient's concerns and provide emotional support, but this alone may not be sufficient to manage pain effectively if anxiety is not the primary factor.

Choice B rationale:

Anxiety activates the sympathetic nervous system, which triggers the "fight-or-flight" response. This cascade of physiological changes includes:

Increased heart rate and blood pressure Muscle tension

Dilated pupils

Heightened awareness of bodily sensations

These physiological changes can amplify pain signals and lower the pain threshold, meaning that a person who is anxious may perceive pain more intensely than someone who is calm and relaxed.

This is because anxiety can reduce the effectiveness of the body's natural pain-inhibiting mechanisms, such as the release of endorphins and serotonin.

Choice C rationale:

Difficulty sleeping can also contribute to pain, but its effect on pain threshold is less direct than that of anxiety. Sleep deprivation can lead to:

Increased irritability Decreased pain tolerance Impaired cognitive function

These factors can make it more difficult to cope with pain, but they don't directly lower the threshold at which pain signals are perceived.

Choice D rationale:

Pain threshold varies among individuals due to a variety of factors, including: Genetics

Past experiences with pain Psychological factors Cultural beliefs

Coping mechanisms

It is incorrect to assume that all patients who have had surgery will have the same pain threshold.

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Correct Answer is A

Explanation

Choice A rationale:

Hypovolemic shock is a life-threatening condition that occurs when the body loses a significant amount of blood or fluids, leading to a decrease in circulating blood volume. This can result in inadequate perfusion of organs and tissues, which can cause damage and even death if not treated promptly.

In this case, the athlete's symptoms and vital signs are consistent with hypovolemic shock. The athlete has been practicing twice a day in the heat, which can lead to significant fluid loss through sweating. The athlete is also dizzy, which is a common symptom of hypovolemia due to decreased blood flow to the brain. The athlete's blood pressure is low (100/2 mm Hg), pulse rate is elevated (100 beats/minute), and respiratory rate is increased (26 breaths/minute), all of which are compensatory mechanisms to try to maintain blood pressure and perfusion in the setting of hypovolemia. The athlete's skin is cool to touch

and pale in color, which is due to decreased blood flow to the skin. The athlete also does not remember the last voiding time, which may indicate decreased urine output, another sign of hypovolemia.

Key points supporting hypovolemic shock:

Significant fluid loss due to exercise in the heat Dizziness

Low blood pressure Elevated pulse rate Increased respiratory rate Cool, pale skin

Decreased urine output Additional details:

Hypovolemic shock can be caused by various factors, including:

Hemorrhage (blood loss) Severe dehydration Burns

Severe vomiting or diarrhea

Treatment for hypovolemic shock typically involves:

Intravenous fluid replacement to restore circulating blood volume Blood transfusion if the shock is due to hemorrhage

Oxygen therapy to support breathing

Medications to support blood pressure and heart function

A. Ineffective airway clearance related to thick, copious secretions. B. Impaired verbal communication related to the tracheostomy. C. High risk for infection related to surgical incisions. D. Malnourishment related to NPO Status and dysphagia.

Correct Answer is A

Explanation

Rationale for Choice A:

Ineffective airway clearance is the most immediate and life-threatening concern in the postoperative period following a radical neck dissection. This procedure involves extensive removal of lymph nodes and tissues in the neck, which can significantly disrupt normal respiratory function and airway patency. Here's a detailed explanation of the factors contributing to this risk:

Altered Respiratory Anatomy: The surgical resection of tissues and lymph nodes can directly impact the structure and function of the airway. This includes potential narrowing of the trachea, vocal cord dysfunction, and impaired laryngeal movement, all of which can hinder effective airflow.

Thick, Copious Secretions: The surgical trauma and manipulation of tissues often lead to increased production of thick, tenacious secretions in the respiratory tract. These secretions can obstruct the airway, making it difficult for the patient to clear them effectively.

Impaired Cough Reflex: The surgical dissection may disrupt the nerves involved in the cough reflex, which is a crucial mechanism for clearing secretions from the airway. This further impedes the patient's ability to maintain a patent airway.

Risk of Aspiration: Accumulation of secretions in the airway elevates the risk of aspiration, which can lead to pneumonia and other serious complications.

Potential for Edema: Postoperative swelling in the neck tissues can further compress the airway, exacerbating the risk of obstruction.

Nursing Interventions for Ineffective Airway Clearance:

Prompt recognition and management of ineffective airway clearance are essential to prevent respiratory compromise and ensure patient safety. Here are key nursing interventions that should be prioritized:

Frequent Assessment: Continuously monitor respiratory rate, effort, breath sounds, oxygen saturation, and level of consciousness for any signs of respiratory distress.

Positioning: Elevate the head of the bed to 30-45 degrees to promote lung expansion and facilitate drainage of secretions. Suctioning: Regularly suction the airway to remove secretions, using aseptic technique and proper suctioning pressure.

Deep Breathing and Coughing Exercises: Encourage and assist the patient with deep breathing and coughing exercises to mobilize secretions.

Humidification: Provide humidified oxygen or use a nebulizer to help thin secretions and make them easier to expectorate.

Chest Physiotherapy: Perform chest physiotherapy techniques, such as percussion and vibration, to loosen secretions and promote their removal.

Monitoring Fluid Balance: Maintain adequate hydration to help thin secretions, while closely monitoring fluid intake and output to prevent fluid overload.

Addressing Other Choices:

While the other choices may also be relevant concerns in the postoperative period, they do not pose the same immediate threat to life as ineffective airway clearance.

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In a post-surgical unit, the nurse cares for many patients experiencing pain. Which situation is likely to lower a patient’s pain threshold?

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Naxlex Comprehensive Predictor Exams

Correct Answer is A

Explanation

A nurse is caring for a patient after a radical neck dissection.What should be the nurse’s priority in the immediate postoperative period?

Correct Answer is A

Explanation

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