Which techniques would the registered nurse identify as regional anesthesia to a patient undergoing surgery? (Select all that apply.)
Oral route Anesthetic Block
Inhalation Anesthetic Block
Spinal Anesthetic Block
Epidural Anesthetic Block
Nerve Anesthetic Block
Correct Answer : C,D,E
Choice A rationale:
Oral route anesthetic blocks are not considered regional anesthesia. They are a form of systemic anesthesia, meaning they affect the entire body.
Oral anesthetics are absorbed through the gastrointestinal tract and distributed throughout the bloodstream to reach their target sites in the central nervous system.
They produce a general depressant effect on the brain and spinal cord, leading to sedation, unconsciousness, and analgesia. Examples of oral anesthetics include benzodiazepines, barbiturates, and propofol.
Choice B rationale:
Inhalation anesthetic blocks are also a form of systemic anesthesia.
They are administered through inhalation of vaporized gases or volatile liquids.
These anesthetics rapidly cross the alveolar-capillary membrane in the lungs and enter the bloodstream, where they are transported to the brain and other tissues.
They produce a dose-dependent depression of the central nervous system, resulting in loss of consciousness, analgesia, and muscle relaxation.
Examples of inhalation anesthetics include nitrous oxide, sevoflurane, and isoflurane.
Choice C rationale:
Spinal anesthetic blocks are a type of regional anesthesia that involves injecting a local anesthetic directly into the subarachnoid space of the spinal cord.
This blocks nerve transmission in the spinal cord, resulting in loss of sensation and motor function in the lower half of the body.
Spinal anesthesia is commonly used for surgeries below the waist, such as cesarean deliveries, hip replacements, and knee surgeries.
Choice D rationale:
Epidural anesthetic blocks are another type of regional anesthesia that involves injecting a local anesthetic into the epidural space, which is the area surrounding the spinal cord.
This blocks nerve transmission in the spinal nerves, resulting in loss of sensation and motor function in a specific region of the body.
Epidural anesthesia is commonly used for labor and delivery, as well as for surgeries on the abdomen, pelvis, and lower extremities.
Choice E rationale:
Nerve anesthetic blocks (also known as peripheral nerve blocks) involve injecting a local anesthetic around a specific nerve or group of nerves.
This blocks nerve transmission in the targeted area, resulting in loss of sensation and motor function in a specific part of the body.
Nerve blocks can be used for a variety of surgical procedures, as well as for pain management.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
While independence is a valuable quality for nurses, it's not the most essential quality for leadership. Effective leaders must be able to collaborate with others, delegate tasks, and build consensus. They must also be able to recognize when they need to seek help or guidance from others.
Choice B rationale:
Physical stamina is important for nurses, as they often work long hours and are on their feet for extended periods. However, it's not the most essential quality for leadership. Leaders need to be able to think clearly, make decisions under pressure, and motivate others, even when they are tired or stressed.
Choice C rationale:
Flexibility is essential for nursing leaders because the healthcare environment is constantly changing. Leaders must be able to adapt to new situations, challenges, and demands. They must also be able to adjust their leadership style to meet the needs of different individuals and teams.
Here are some examples of how flexibility is essential for nursing leaders:
Managing change: Leaders must be able to effectively manage change, such as new policies, procedures, or technologies. They need to be able to communicate changes clearly, provide support to staff, and ensure that changes are implemented smoothly.
Dealing with conflict: Leaders must be able to resolve conflicts effectively, whether between staff members, patients, or families. They need to be able to listen to different perspectives, identify common ground, and find solutions that meet the needs of all parties involved.
Adapting to different personalities: Leaders must be able to work with a variety of personalities and work styles. They need to be able to adjust their communication style, provide feedback, and motivate individuals in a way that is tailored to their needs.
Responding to crises: Leaders must be able to act quickly and decisively in crisis situations. They need to be able to assess the situation, make decisions, and take action to protect the safety of patients and staff.
Choice D rationale:
Vulnerability can be a valuable quality for leaders, as it can help to build trust and rapport with others. However, it's not the most essential quality for leadership. Leaders need to be able to balance vulnerability with strength and confidence.
Correct Answer is A
Explanation
Choice A rationale:
Reduced kidney ability to concentrate urine is a common physiological change associated with normal aging. This is due to several factors, including:
Decreased glomerular filtration rate (GFR): The kidneys filter waste products from the blood. As we age, the number of functioning nephrons (filtering units) in the kidneys decreases, leading to a decline in GFR. This means that the kidneys are less able to filter waste products and concentrate urine.
Decreased renal blood flow: Blood flow to the kidneys also decreases with age. This further reduces the kidneys' ability to filter waste products and concentrate urine.
Decreased tubular function: The tubules in the kidneys are responsible for reabsorbing water and electrolytes from the urine. As we age, the function of the tubules also declines, leading to a decrease in the ability to concentrate urine.
As a result of these changes, older adults often produce more urine, even at night. This can lead to nocturia, which is the need to wake up to urinate two or more times per night.
Choice B rationale:
Lower fluid intake during daytime hours can also contribute to nocturia, but it is not a direct physiological change associated with normal aging. Older adults may drink less fluids during the day for a variety of reasons, such as decreased thirst sensation, fear of incontinence, or limited access to fluids. However, even if they maintain adequate fluid intake during the day, they may still experience nocturia due to the reduced ability of their kidneys to concentrate urine.
Choice C rationale:
Enhanced bladder contractility leading to urinary stasis is not a typical physiological change associated with normal aging. In fact, bladder contractility often decreases with age, which can lead to difficulty emptying the bladder completely. This can contribute to urinary frequency and urgency, but it is not typically a cause of nocturia.
Choice D rationale:
Increased bladder muscle tone leading to frequent urination is also not a typical physiological change associated with normal aging. Bladder muscle tone may decrease with age, which can lead to difficulty emptying the bladder completely. However, it is not typically a cause of nocturia.
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