A nurse is monitoring a client who is receiving opioid analgesia. Which of the following adverse effects should the nurse anticipate? Select all that apply

Opioid analgesics are effective for moderate to severe pain but are associated with a variety of adverse effects, particularly involving the central nervous system and gastrointestinal system. Nurses must monitor for these expected reactions to ensure prompt recognition and intervention.

Rationale for Correct Answers:

C. Bradypnea: Opioids depress the respiratory center in the brainstem, which can lead to respiratory depression, especially at higher doses or in opioid-naïve clients.

D. Orthostatic hypotension: Opioids can cause vasodilation and reduced sympathetic tone, leading to a drop in blood pressure when changing positions.

E. Nausea: A common early side effect, nausea occurs due to opioid stimulation of the chemoreceptor trigger zone in the brain.

Rationale for Incorrect Answers:

A. Urinary incontinence: Opioids more commonly cause urinary retention, not incontinence, due to increased sphincter tone and decreased bladder contractility.

B. Diarrhea: Opioids cause constipation, not diarrhea, by slowing gastrointestinal motility through action on opioid receptors in the gut.

Key Takeaways:

• Common adverse effects of opioids include bradypnea, orthostatic hypotension, nausea, constipation, and urinary retention.
• Respiratory depression is the most serious side effect and requires immediate attention.
• Nurses must monitor vital signs, GI status, and bladder function closely during opioid therapy.

Pain is defined as an unpleasant, subjective sensory and emotional experience that may or may not be associated with tissue damage. According to the International Association for the Study of Pain (IASP), pain is always what the person experiencing it says it is. Because of its subjective nature, pain assessment relies on the client's self-report and should never be minimized or doubted based on observable cues alone.

Rationale for Correct Answer:

B. An unpleasant, subjective experience: This definition encompasses the sensory and emotional dimensions of pain, acknowledging that it is unique to the individual. It is consistent with the widely accepted IASP definition, recognizing that pain is influenced by past experiences, emotional state, and cultural background.

Rationale for Incorrect Answers:

A. A creation of a person’s imagination: This statement wrongly implies that pain is fabricated or not real. Such thinking can lead to inadequate pain management and patient mistrust.

C. A maladaptive response to a stimulus: While chronic pain may become maladaptive, this does not apply to the general definition of pain. Pain is primarily a protective mechanism, especially in acute settings.

D. A neurologic event resulting from activation of nociceptors: This defines nociceptive pain specifically and excludes other types of pain, such as neuropathic or psychogenic pain. Therefore, it is too narrow to serve as a general definition.

Key Takeaways:

• Pain is a subjective, multidimensional experience that includes both sensory and emotional components.
• The most accurate and reliable indicator of pain is the client’s self-report.
• Pain should not be defined solely by its physical or neurologic components, as it may exist without observable injury.