Renal — Flashcards

Flashcard 741: Obstructive jaundice is associated with _____ urine urobilinogen

Answer: decreased

Flashcard 742: The thick ascending limb (of Henle) normally reabsorbs approximately _____% of the filtered Na+

Answer: 25%

Flashcard 743: The _____ basal ganglia pathway facilitates movement

Answer: direct

Flashcard 744: Microinfarctions in the renal medulla due to sickle cell trait eventually result in decreased ability to _____ urine

Answer: concentrate

Flashcard 745: Aldosterone upregulates the _____ pump on the basolateral membrane of the principal cells

Answer: Na+-K+ ATPase

Flashcard 746: The NSP4 enterotoxin of rotavirus increases _____ permeability

Answer: Cl-

Flashcard 747: UMN lesions in the spinal cord cause _____-lateral spastic paralysis at levels below the lesion

Answer: ipsi

Flashcard 748: Obstructive jaundice is associated with dark urine due to increased urine _____

Answer: conjugated bilirubin

Flashcard 749: In the early distal tubule, the TF/P osm ratio is _____ 1

Answer: < (less than 1)

Extra: The early distal tubule (along with the thick ascending limb) is known as the "diluting segment." These segments are impermeable to water but actively reabsorb solutes, causing the tubular fluid to become hyposmotic relative to plasma ([TF/P]osm < 1).

Flashcard 750: The _____ is formed by the reticular formation, locus coeruleus, and raphe nucleus

Answer: reticular activating system (RAS)