Intravenous pyelography (IVP) is a procedure in which a contrast drug containing iodine is injected into a patient and subsequent visualization of urinary structures becomes possible through X-ray imaging. Which characteristic best describes these contrast drugs? Each drug:A.is reabsorbed by the proximal convoluted tubule.B.travels in the bloodstream while bound to albumin.C.is filtered through the glomerular capillaries.D.drains into the efferent arterioles of nephrons.
Question
Intravenous pyelography (IVP) is a procedure in which a contrast drug containing iodine is injected into a patient and subsequent visualization of urinary structures becomes possible through X-ray imaging. Which characteristic best describes these contrast drugs? Each drug:A.is reabsorbed by the proximal convoluted tubule.B.travels in the bloodstream while bound to albumin.C.is filtered through the glomerular capillaries.D.drains into the efferent arterioles of nephrons.
Solution
The characteristic that best describes these contrast drugs used in Intravenous pyelography (IVP) is that each drug is filtered through the glomerular capillaries. This is because the contrast medium is injected into the bloodstream, and it is the glomerular capillaries in the kidneys that filter the blood. The contrast medium is not reabsorbed by the proximal convoluted tubule, does not travel in the bloodstream while bound to albumin, and does not drain into the efferent arterioles of nephrons.
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intrathecal drug administration
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