Renal — Flashcards

Flashcard 751: The _____ is formed by the reticular formation, locus coeruleus, and raphe nucleus

Answer: reticular activating system (RAS)

Flashcard 752: Aldosterone upregulates the _____ pump on the basolateral membrane of the principal cells

Answer: Na+-K+ ATPase

Flashcard 753: Which cells of the kidney detect changes in blood pressure?_____

Answer: Juxtaglomerular cells

Flashcard 754: The early DCT normally reabsorbs approximately _____% of the filtered Na+

Answer: 5

Flashcard 755: In diabetes insipidus, the water deprivation test fails to _____ urine osmolality

Answer: increase

Flashcard 756: Primitive reflexes are inhibited by a mature/developing _____ lobe

Answer: frontal

Flashcard 757: 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 758: UMN lesions in the spinal cord cause _____-lateral spastic paralysis at levels below the lesion

Answer: ipsi

Flashcard 759: Damage to the _____ can result in a lack of interhemispheric communication (ex. patient unable to retrieve with one hand an object palpated with the other)

Answer: corpus callosum

Flashcard 760: The most important physiologic stimulus for increasing antidiuretic hormone (ADH) secretion is _____

Answer: increased plasma osmolarity