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 A
Explanation
A) Increasing GI motility and promoting bowel movements:
Laxatives work by increasing gastrointestinal motility, which stimulates the movement of fecal matter through the intestines. This promotes bowel movements and helps alleviate constipation.
B) Preventing incontinent clients from soiling themselves:
Laxatives are not typically used to prevent incontinence. Their primary function is to relieve constipation by promoting bowel movements.
C) Reducing inflammation in the intestinal lining:
Laxatives do not have a direct effect on reducing inflammation in the intestinal lining. They primarily act on bowel motility to facilitate the passage of stool.
D) Suppressing the immune response that causes inflammation:
Laxatives do not suppress the immune response or treat inflammation. They are specifically designed to relieve constipation by promoting bowel movements."
Correct Answer is D
Explanation
A) Check the client's perianal skin integrity:
Assessing perianal skin integrity is important in the care of a client with ulcerative colitis, particularly due to the potential for diarrhea and irritation. However, this is not the first priority upon admission for an acute exacerbation.
B) Educate the patient on which foods the patient should eat:
Nutritional education is crucial in managing ulcerative colitis, but it is not the priority during the initial assessment and admission for an acute exacerbation. Stabilizing the client's condition and addressing immediate needs take precedence.
C) Investigate the client's emotional concerns:
While emotional support is important, particularly in chronic conditions like ulcerative colitis, assessing emotional concerns is not the first action required upon admission for an acute exacerbation. Physical stabilization and assessment of the client's condition are the initial priorities.
D) Review the client's electrolyte values:
This is the correct answer. During an acute exacerbation of ulcerative colitis, there is a risk of electrolyte imbalance due to diarrhea and fluid loss. Reviewing the client's electrolyte values is crucial to assess the severity of dehydration and electrolyte imbalances, which can have immediate implications for the client's treatment plan and stabilization.
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