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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Bradypnea refers to an abnormally slow respiratory rate, typically below 12 breaths per minute in an adult. A rate of 32 breaths/min is too fast to be considered bradypnea.
B. Apnea is the absence of breathing for a prolonged period. Since the patient has a respiratory rate of 32 breaths/min, apnea does not apply.
C. Tachypnea is defined as a rapid respiratory rate exceeding 20 breaths per minute in an adult. A rate of 32 breaths/min indicates tachypnea, which may be caused by conditions such as fever, anxiety, or respiratory distress.
D. Eupnea refers to normal breathing, with a respiratory rate between 12–20 breaths per minute. A rate of 32 breaths/min is too high to be considered eupnea.
Correct Answer is ["2500"]
Explanation
Calculation:
To convert liters (L) to milliliters (mL), the conversion factor is:
1L = 1000mL
Given:
(2.5L×1000mL)/ 1L
= 2500mL
Thus, 2.5 L = 2500 mL.
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