Reference no: EM133405933
Questions
1. The strength of the communication between the nucleus accumbens and frontal cortex is about 85% accurate in determining how long a patient will suffer from pain. This is most likely due to the connection between the two areas being attributed to ______.
the memory of the painful event
evaluation of the nature and intensity of the pain
how much endorphins are released
how emotionally a person reacts to pain
2. Although people commonly believe that the brain is preoccupied with higher cognitive processes, it is actually ______.
in a resting state for much of the time and only carries out high-level functions occasionally
involved in a much higher percentage of lower cognitive processes
underdeveloped in many regions and thus unable to contribute to higher-level processing
involved in a significant amount of planning and carrying out movements
3. When a sore muscle is rubbed, it's exploiting the mechanism described in the ______ theory of pain.
acupuncture
gate control
analgesia
endorphin
4. Why can the muscles of the face be moved with greater precision than the biceps muscles?
The biceps have only a few neuromuscular junctions.
The biceps have too many neuromuscular junctions.
Each biceps is opposed by an antagonistic muscle; facial muscles are not.
The facial muscles have a lower ratio of muscle fibers to neurons.
5. Morphine and other opiates produce pain relief by ______.
inhibiting the release of substance P
mimicking the effects of endorphins
preventing sodium from crossing the membrane
altering blood flow to various parts of the nervous system.