When a person cuts a finger, nerve impulses travel to the spinal cord along afferent peripheral nerve fibers. What is this process?

Perception

Transduction

Modulation

Transmission

Answer and Explanation

The Correct Answer is D

A. Perception occurs when the brain interprets pain signals and recognizes them as pain. This step happens after the nerve impulses have been transmitted to the brain.
B. Transduction is the first step in the pain process, where painful stimuli (such as cutting a finger) activate nociceptors, converting the stimulus into an electrical signal.
C. Modulation involves the body’s response to pain signals, where descending nerve pathways release substances like endorphins to inhibit pain transmission. This occurs later in the pain process.
D. Transmission is the process of pain signals traveling from the site of injury to the spinal cord and brain via afferent nerve fibers. This step occurs after transduction and allows pain signals to reach the central nervous system.

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Correct Answer is A

Explanation

A. 104.4°F. This temperature is consistent with heatstroke, a life-threatening condition characterized by hot, dry skin, confusion, and tachycardia. Heatstroke occurs when the body fails to regulate temperature, often exceeding 104°F (40°C).
B. 99.2°F. A temperature of 99.2°F is only slightly elevated and does not match the severe hyperthermia expected in heatstroke.
C. 100.8°F. While this temperature is above normal, it is not high enough to indicate heatstroke, which typically involves temperatures above 104°F.
D. 102.2°F. This temperature suggests heat exhaustion, a milder form of heat-related illness, but heatstroke involves higher temperatures exceeding 104°F.

A. Distractions such as music B. Massage C. Cold or heat applications D. Vigorous rubbing of the joints E. Relaxation techniques

Correct Answer is ["A","B","C","E"]

Explanation

A. Distractions such as music. Music and other distractions, such as guided imagery or television, can help shift the patient's focus away from pain, reducing discomfort and anxiety.
B. Massage. Gentle massage can help promote relaxation, improve circulation, and reduce muscle tension, which may enhance pain relief when used alongside medication.
C. Cold or heat applications. Cold therapy can help reduce inflammation and swelling, while heat therapy can improve blood flow and relax muscles, making them effective in managing arthritis pain and post-surgical discomfort.
D. Vigorous rubbing of the joints. Vigorous rubbing could worsen pain and cause irritation, particularly in a patient with arthritis and post-surgical pain. Gentle approaches are more appropriate.
E. Relaxation techniques. Deep breathing, guided imagery, and progressive muscle relaxation can help lower stress and enhance the body's ability to manage pain.

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When a person cuts a finger, nerve impulses travel to the spinal cord along afferent peripheral nerve fibers. What is this process?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is ["A","B","C","E"]

Explanation

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