A nurse is teaching a newly licensed nurse about the peripheral nervous system. Which of the following statements should the nurse make?
"The brain is part of the peripheral nervous system."
"The peripheral nervous system is responsible for memory."
"The spinal cord is part of the peripheral nervous system."
"The peripheral nervous system regulates the body's response to external stimulus."
The Correct Answer is D
A. "The brain is part of the peripheral nervous system." The brain is part of the central nervous system (CNS), not the peripheral nervous system (PNS). The CNS consists of the brain and spinal cord, while the PNS includes cranial and spinal nerves that transmit signals between the CNS and the body.
B. "The peripheral nervous system is responsible for memory." Memory is primarily controlled by the CNS, specifically the brain's hippocampus and cerebral cortex. The PNS is not involved in memory storage or recall; instead, it transmits sensory and motor signals between the body and the CNS.
C. "The spinal cord is part of the peripheral nervous system." The spinal cord is part of the central nervous system (CNS), not the PNS. The PNS consists of nerves that extend from the brain and spinal cord to the rest of the body, including sensory and motor neurons.
D. "The peripheral nervous system regulates the body's response to external stimulus." The PNS is responsible for transmitting sensory information from the environment to the CNS and carrying motor responses back to the body. It includes the somatic nervous system (voluntary control of muscles) and autonomic nervous system (involuntary functions like heart rate and digestion). This makes it essential in responding to external stimuli such as pain, temperature, and pressure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Document the time the seizure began. While timing the seizure is important to assess its duration and guide treatment, airway protection is the priority. The nurse should first position the client’s head to the side to prevent airway obstruction before documenting seizure onset.
B. Turn the client’s head to the side. Turning the client’s head to the side helps prevent aspiration of saliva or vomit and promotes airway patency. During a tonic-clonic seizure, muscle contractions can cause excessive oral secretions, increasing the risk of airway obstruction. Placing the client in a side-lying position is the first priority to maintain breathing and reduce aspiration risk.
C. Check the client's motor strength. Assessing motor strength should be done after the seizure ends, as the client will have involuntary muscle contractions during the seizure. Attempting to check motor function during the seizure could lead to injury to both the client and the nurse.
D. Loosen the clothing around the client's waist. Loosening tight clothing (especially around the neck) can help with breathing, but it is not the first priority. Positioning the client’s head to the side is more critical to prevent airway obstruction before adjusting clothing.
Correct Answer is B
Explanation
A. Let him know what behavior is socially appropriate. While it is important to gently redirect inappropriate behavior, individuals with dementia may not retain this information due to impaired memory and cognitive decline. This approach is not as effective as maintaining familiar routines.
B. Maintain familiar routines of sleep, meals, drug administration, and activities. Consistent routines help reduce confusion and anxiety in individuals with dementia. Predictable schedules reinforce a sense of security, making it easier for the patient to remember daily activities and participate in self-care. Disruptions to routine can lead to increased agitation and disorientation.
C. Promote orientation at every encounter with the patient by asking the day, time, and place. While gentle reorientation can be helpful, repeatedly questioning the patient about time and place may lead to frustration, agitation, or embarrassment. A better approach is to use environmental cues (e.g., clocks, calendars, labeled rooms) and offer reassurance.
D. Assist him with all self-care to maintain self-esteem. Encouraging independence in self-care to the extent possible is crucial for maintaining dignity and self-esteem. Providing total assistance when unnecessary can lead to learned helplessness and increased dependence. Instead, the nurse should offer support only when needed while encouraging the patient to perform tasks independently.
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