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Pathophysiology Practice Test: Structure and Function of the Neurologic System
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The nervous system is the body's command center, made up of the brain, spinal cord, and nerves. The nervous system's main function is to send messages from the brain to the body and back out, regulating thoughts, memory, learning, feelings, movements, senses, wound healing, sleep, heartbeat, and breathing patterns.  The nervous system is made up of billions of nerve cells called neurons. Neurons have three parts: dendrites, cell body, and axon. The neuron structure is specially adapted to carry messages over large distances in the body quickly in the form of electrical signals.  The nervous... Show more
Pathophysiology Practice Test: Structure and Function of the Neurologic System
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25 Questions

1. Which neurotransmitter is released when a patient’s parasympathetic motor neurons are stimulated?
2. Neurotransmitters interact with the postsynaptic membrane by binding to which structure?
3. Which action will occur when a patient’s α1-receptors are stimulated?
4. Which of the following is a neuroglial cell? (select all that apply)
5. A 19-year-old college student reports to his primary care provider that he cannot stay awake in class regardless of how much sleep he gets. Under-stimulation of which area of the brain is likely the site of the problem?
6. A nurse is preparing to teach about functions to maintain homeostasis and instinctive behavioral patterns. Which area of the brain is the nurse discussing?
7. An experiment looking at an isolated neuron revealed a sensory nerve with one process containing a dendritic portion extending away from the CNS and an axon extending toward the CNS. Which of the following classifications would this neuron fall into?
8. Which neurons have the capacity for regeneration?
9. The nurse is assessing the patient with a pen light. The integrity of which cranial nerve is being evaluated?
10. Blockage of which of the following would cause hydrocephalus?
11. A nurse remembers the brain receives approximately ____% of the cardiac output.
12. What term should the nurse use when talking about the outermost membrane surrounding the brain?
13. A cell was isolated from the CNS. A researcher revealed that its main function was to clear cellular debris. What type of cell is the researcher studying?
14. A neurologist is teaching about the region responsible for motor aspects of speech. Which area is the neurologist discussing?
15. A patient presents with altered respiratory patterns following head trauma. Based on the symptoms, which of the following areas does the nurse suspect is injured?
16. A patient begins taking a new drug that causes pupil dilation, vasoconstriction, decreased gastrointestinal motility, and goose bumps. Which of the following receptors are activated?
17. A neurologist is teaching about sensory pathways. Which information should the neurologist include? Sensory pathways in the spinal cord to the thalamus are included in the:
18. After rehabilitation for severe brain damage following a motor vehicle accident, a patient reports that her thought processes and ability to concentrate are impaired. Which area does the nurse suspect is damaged?
19. When a nurse is teaching about the transverse fiber tract that connects the two cerebral hemispheres, what term should the nurse use?
20. A student nurse asks the nurse what controls reflex activities concerned with heart rate and blood pressure. What is the nurse’s best response? These reflex activities are controlled by the:
21. What type of cell supports the forming of the blood-brain barrier (BBB)?
22. A neurologist is teaching the staff about motor neurons. Which structural classification identifies motor neurons?
23. A nurse is teaching about the area of the spinal cord that contains cell bodies involved in the autonomic nervous system. Which of the following areas is the nurse discussing?
24. If a neuron’s membrane potential is held close to the threshold potential by excitatory postsynaptic potentials (EPSPs), the neuron is said to be:
25. A nurse recalls that characteristics of upper motor neurons include: