An elderly resident of a long-term care facility frequently wakes up to urinate during the night. What physiological change associated with normal aging could be the cause of this?
Reduced kidney ability to concentrate urine.
Lower fluid intake during daytime hours.
Enhanced bladder contractility leading to urinary stasis.
Increased bladder muscle tone leading to frequent urination.
The Correct Answer is A
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale:
The female urethra is not significantly longer than the male urethra. In fact, it is considerably shorter. The average length of the female urethra is about 4 cm (1.5 inches), while the average length of the male urethra is about 20 cm (8 inches). This difference in length has important implications for catheterization, as it means that the female urethra is more easily accessible and less likely to be damaged during the procedure.
Choice B rationale:
The female urethra does have a distinct anatomy and nerve innervation compared to the male urethra. However, these differences are not as relevant to the process of catheterization as the difference in length. The key anatomical difference to consider is the location of the urethral opening. In females, the urethral opening is located just above the vaginal opening, while in males, it is located at the tip of the penis. This difference in location means that different techniques are required for catheterizing males and females.
Choice C rationale:
The female urethra is connected to the bladder. This is a fundamental anatomical fact that is essential for understanding the process of urination. The urethra is the tube that carries urine from the bladder to the outside of the body. In females, the urethra is also involved in sexual intercourse and childbirth.
Choice D rationale:
This is the correct answer. The female urethra is considerably shorter than the male urethra. This difference in length is important to consider when catheterizing a female patient, as it means that the urethra is more easily accessible and less likely to be damaged during the procedure.
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.
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