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Pathophysiology Practice Test: Pain, Temperature, Sleep, and Sensory Function
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The skin is the body's largest sensory organ, containing structures that sense and transmit information about temperature, pain, itch, and touch to the central nervous system.  The body uses different mechanisms to regulate temperature, including peripheral, central, and behavioral mechanisms. However, neuropsychological processes like sleep, stress, and trauma can also influence thermoregulation.  The body senses pain and temperature through a special receptor called TrpV1. This receptor changes shape with heat or pain signals and is found in cells all over the body. These signals are sent... Show more
Pathophysiology Practice Test: Pain, Temperature, Sleep, and Sensory Function
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25 Questions

1. A nurse is discussing an individual’s conditioned or learned approach or avoidance behavior in response to pain. Which system is the nurse describing?
2. A child suffers from sudden apparent arousals in which she expresses intense fear or other emotion. Her mother reports that she seems to wake screaming, but that she is difficult to waken completely. The child most likely suffers from:
3. The ophthalmologist is teaching about the structure of the eye that prevents light from scattering in the eye. What structure is the ophthalmologist describing?
4. For evaporation to function effectively as a means of dissipating excess body heat, which one of the following conditions must be present?
5. A nurse is teaching about the structure that connects the middle ear with the pharynx. Which structure is the nurse describing?
6. What is the physiological response when the body’s core temperature is altered due to prolonged exposure to a cold environment?
7. A 50-year-old diabetic patient experiences visual disturbances and decides to visit his primary care provider. After examination, the primary care provider tells the patient that the cells that allow him to see are degenerated. Which of the following structures is most likely damaged?
8. A patient is undergoing a sleep lab test. When the sleep lab worker notices EEG patterns with brain activity similar to the normal awake pattern, which phase of sleep is occurring?
9. Which system modulates a patient’s perception of pain?
10. A patient asks the nurse where nociceptors can be found. How should the nurse respond? One location in which nociceptors can be found is the:
11. Which group of people is most prone to color blindness?
12. Which condition would be treated with therapeutic hypothermia?
13. The nurse would expect the patient with an alteration in proprioception to experience vertigo, which is manifested by:
14. Several years after an amputation the patient continues to sporadically feel pain in the absent hand. What type of pain should the nurse document in the chart?
15. Heat loss from the body via convection occurs by:
16. When planning care for a child in pain, which principle should the nurse remember? The pain threshold in children is _____ that of adults.
17. A 70-year-old patient presents to the primary care provider reporting loss of vision. A history that includes hypertension and cigarette smoking supports which visual diagnosis?
18. A patient received a prescription for a weight loss pill. One effect of the pills is to increase the release of epinephrine. Which of the following would be expected to also occur?
19. A patient scrapes both knees while playing soccer and reports sharp and well-localized pain. Which of the following should the nurse document to most accurately characterize the pain?
20. A 15-year-old is diagnosed with an outer ear infection. Which of the following is most likely to cause this infection?
21. A patient asks the nurse how often REM sleep occurs. The nurse responds, 'About every _____ minutes.'
22. The most common form of sensorineural hearing loss in the elderly is:
23. A nurse wants to teach about one of the primary organs responsible for heat production. Which organ should the nurse include?
24. During the sleep cycle, when does loss of temperature control occur?
25. Hikers are attempting to cross the Arizona desert with a small supply of water. The temperatures cause them to sweat profusely and become dehydrated. The hikers are experiencing:

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