What role do the kidneys have in the pharmacokinetics process?
Excretion
Absorption
Metabolism
Distribution
The Correct Answer is A
A) Excretion:
This is the correct answer. The kidneys play a crucial role in the excretion of drugs and their metabolites from the body. After drugs undergo metabolism in the liver or other tissues, the resulting metabolites are often water-soluble and can be filtered by the kidneys into the urine. This process helps eliminate drugs and their byproducts from the body, preventing their accumulation and potential toxicity.
B) Absorption:
Absorption refers to the movement of drugs from the site of administration into the bloodstream. While the kidneys do not directly facilitate drug absorption, they may indirectly influence drug absorption by regulating blood flow and systemic circulation.
C) Metabolism:
Metabolism, or biotransformation, involves the enzymatic alteration of drugs into metabolites, which are often more water-soluble and easier to excrete. While the liver is the primary site of drug metabolism, the kidneys do not play a direct role in drug metabolism.
D) Distribution:
Distribution refers to the movement of drugs from the bloodstream to various tissues and organs in the body. While the kidneys do not directly influence drug distribution, changes in renal function can affect drug distribution by altering blood flow and plasma protein binding. However, the primary role of the kidneys in pharmacokinetics is excretion, not distribution.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) Routinely exercise indoors:
Exercising indoors may be beneficial for individuals taking anticholinergic drugs to minimize the risk of heat-related complications. However, this option does not directly address the need to avoid extremes of temperature on exertion, which is crucial for preventing heat exhaustion and heat stroke. While indoor exercise can provide a controlled environment, it does not eliminate the risk entirely, especially if the indoor area is not adequately ventilated or air-conditioned.
B) Wear dark, warm clothing during the summer months:
Wearing dark, warm clothing during the summer months can exacerbate the risk of heat-related complications for individuals taking anticholinergic drugs. Dark clothing absorbs more heat from the sun, increasing body temperature, and warm clothing further contributes to heat retention. This option does not align with the goal of minimizing the risk of heat exhaustion and heat stroke.
C) Avoid extremes of temperature on exertion:
This is the correct answer. Avoiding extremes of temperature on exertion is essential for individuals taking anticholinergic drugs to reduce the risk of heat-related complications such as heat exhaustion and heat stroke. Exertion in hot environments can lead to excessive sweating and dehydration, further compromising thermoregulation. By avoiding extremes of temperature and moderating exertion, individuals can better regulate body temperature and minimize the risk of heat-related adverse effects.
D) Take frequent showers in the evenings and early mornings:
While taking frequent showers in the evenings and early mornings may help cool the body and reduce the risk of heat-related discomfort, it does not specifically address the need to avoid extremes of temperature on exertion. While personal hygiene practices are important, they should be supplemented with measures aimed at preventing heat-related complications, such as avoiding exertion in extreme temperatures. Therefore, this option does not fully meet the goal of minimizing the risk of heat exhaustion and heat stroke for individuals taking anticholinergic drugs.
Correct Answer is C
Explanation
A) The client should try to take in all of the required dietary fiber with the morning meal:
While it's beneficial for clients to consume dietary fiber with meals to promote regular bowel movements, focusing solely on the morning meal may not provide adequate fiber intake throughout the day. It's essential for clients with chronic constipation to maintain a consistent intake of dietary fiber with each meal and snack.
B) The client should drink two to three 8 oz glasses of water each day:
Hydration is important for overall bowel health, but simply drinking water may not be sufficient to alleviate chronic constipation. While increasing fluid intake can help soften stools and prevent constipation, the amount of water needed varies among individuals. It's important for clients to drink enough fluids throughout the day to maintain hydration and support gastrointestinal function.
C) The client should follow a high-fiber diet to establish bowel regularity:
This is the correct answer. Increasing dietary fiber intake is a cornerstone of managing chronic constipation. A high-fiber diet can help add bulk to stools, improve bowel motility, and establish regularity. The nurse should educate the client about incorporating fiber-rich foods such as fruits, vegetables, whole grains, and legumes into their daily diet to promote optimal bowel function.
D) The client should be taught that the goal of therapy is to have a bowel movement daily:
While having a daily bowel movement may be a reasonable goal for some individuals, it's not universally applicable to all clients with chronic constipation. Bowel habits vary among individuals, and the frequency of bowel movements needed to establish regularity depends on factors such as diet, activity level, and overall health. The focus of therapy should be on achieving comfortable and regular bowel movements rather than a specific frequency.
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