Pharmaceutical drugs are predominantly eliminated and excreted through_____________?
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Answer: A. Kidney
Explanation
Pharmaceutical drugs are filtered and excreted from the bloodstream primarily by the kidneys. Kidneys filter metabolic waste products and drug metabolites into urine for elimination. Renal excretion is the major pathway for clearing water-soluble medications from the body. Pharmacokinetics studies how the human body absorbs, distributes, metabolizes, and excretes drugs. The liver often metabolizes pharmaceutical compounds into water-soluble forms before kidney filtration. Nephrons within the kidneys perform the vital task of filtering blood plasma continuously.
Kidney impairment can cause dangerous drug accumulation and toxicity in patient circulation. Doctors adjust pharmaceutical dosages based on a patient's renal function test results. Understanding drug clearance helps pharmacologists design safer and more effective medications. The skin excretes small amounts of sweat containing trace wastes, not primary drug metabolites. The gallbladder stores bile for digestion rather than filtering pharmaceutical drugs from blood. Lungs primarily eliminate volatile anesthetic gases and carbon dioxide rather than oral medications.
- Subject
- Everyday Science
- Category
- Everyday Science
- Topic
- —
- Difficulty
- medium
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