A patient is admitted for pain to the arm and jaw.
The patient is later diagnosed with angina.

Which type of pain does the arm and jaw pain most likely represent?

Intractable.

Cramping.

Phantom.

Referred.

Answer and Explanation

The Correct Answer is D

Choice A rationale

Intractable pain is defined as pain that is severe, constant, and highly resistant to standard pharmacological and non-pharmacological pain management interventions. While the pain associated with angina can be severe, the term does not describe the specific phenomenon of pain being felt in a location distant from its source.

Choice B rationale

Cramping pain is typically characterized by a spasmodic, intense muscular contraction, often associated with smooth muscle in visceral organs or skeletal muscle fatigue/injury. Anginal pain, caused by myocardial ischemia, is more commonly described as a heavy, squeezing, or tight sensation rather than a typical muscular cramp.

Choice C rationale

Phantom pain is a persistent painful sensation perceived in a body part (e.g., a limb) that has been surgically or traumatically removed. This type of pain is neurological in origin and involves central nervous system reorganization; it is entirely unrelated to the visceral pain originating from myocardial ischemia.

Choice D rationale

Referred pain is pain perceived at a site adjacent to or distant from the actual site of tissue injury, but within the same or adjacent neural dermatome. Angina (myocardial ischemia) often refers pain via shared afferent nerve pathways from the heart (T1-T4) to the arm and jaw, a classic example of this neuroanatomical phenomenon.

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Correct Answer is C

Explanation

Choice A rationale

Naloxone, an opioid antagonist, is not indicated for treating urinary retention, which can be a side effect of opioid agonists like fentanyl due to increased tone of the detrusor muscle and sphincter. While discontinuing the opioid may resolve retention, naloxone's primary action is to reverse acute opioid-induced central nervous system and respiratory depression by competitive antagonism at opioid receptors, not to manage genitourinary dysfunction.

Choice B rationale

Nausea and vomiting are common side effects of opioid analgesics, mediated by stimulation of the chemoreceptor trigger zone in the medulla. While reversing the opioid effects with naloxone will subsequently reduce this symptom, naloxone is generally reserved for life-threatening opioid toxicity. Antiemetics like ondansetron or prochlorperazine are the standard pharmacological treatment for opioid-induced nausea.

Choice C rationale

Naloxone is a potent, rapid-acting opioid antagonist that competitively binds to and blocks opioid receptors, particularly μ (mu) receptors, in the central nervous system. This action effectively reverses the agonistic effects of opioids, such as respiratory depression, sedation, and analgesia, making it the essential treatment for acute opioid overdose.

Choice D rationale

Opioids can cause dryness of respiratory secretions due to their anticholinergic-like effects, not increased secretion. Naloxone's mechanism of action does not involve suppressing secretions; it specifically reverses the central nervous system depression caused by opioid agonists by competitively binding to opioid receptors. Standard treatments for excessive respiratory secretions involve suctioning or anticholinergic agents like atropine.

A. It is the same for all patients who have had surgery. B. A patient who is awaiting biopsy results may have a higher pain threshold. C. A patient who is having difficulty sleeping in the hospital setting will likely have a higher pain threshold. D. A patient who is anxious may have a lower pain threshold.

Correct Answer is D

Explanation

Choice A rationale

The pain threshold, the minimum intensity at which a stimulus is perceived as painful, is fundamentally subjective and varies significantly among individuals. This biological variability is due to differences in nociceptor sensitivity, genetic factors influencing neurotransmitter levels (like endorphins), and individual processing within the central nervous system. Therefore, stating it's the same for all post-surgical patients disregards these crucial physiological and neurobiological differences.

Choice B rationale

A higher pain threshold implies a greater stimulus intensity is needed for pain perception. While anticipatory anxiety related to biopsy results can acutely raise stress hormones, which might transiently elevate the threshold through endogenous opioid release and the descending inhibitory pain pathway activation, sustained or severe stress is often correlated with a lowering of the threshold due to central sensitization and hyperalgesia, thus this is not a universal principle.

Choice C rationale

Difficulty sleeping, leading to fatigue and sleep deprivation, is a known factor that consistently lowers the pain threshold and tolerance. Sleep is vital for restoring neuromodulatory balance; its disruption increases pro-inflammatory cytokines, enhancing the excitability of dorsal horn neurons (central sensitization), and thus decreasing the stimulus required to elicit pain perception (hyperalgesia). Therefore, the threshold would likely be lower, not higher.

Choice D rationale

Anxiety and fear significantly activate the sympathetic nervous system and trigger the release of various stress mediators (e.g., substance P, glutamate) in the central nervous system. This neuromodulation often results in hyperalgesia and allodynia through central sensitization, amplifying pain signal transmission and perception, thereby lowering the pain threshold and pain tolerance.

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A patient is admitted for pain to the arm and jaw. The patient is later diagnosed with angina. Which type of pain does the arm and jaw pain most likely represent?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who is postoperative and receiving fentanyl via patient-controlled analgesia. The client has a prescription for naloxone. The nurse understands that the purpose of naloxone is which of the following?

Correct Answer is C

Explanation

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Correct Answer is D

Explanation

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A patient is admitted for pain to the arm and jaw.
The patient is later diagnosed with angina.

Which type of pain does the arm and jaw pain most likely represent?