Why does the peritubular fluid of the renal medulla contain an unusually high solute concentration?
A) The cells of the juxtaglomerular complex secrete the hormone erythropoietin and the enzyme renin.
B) The collecting system reabsorbs water and reabsorbs or secretes sodium, potassium, hydrogen, and bicarbonate ions.
C) The cells of the proximal convoluted tubule reabsorb organic nutrients, plasma proteins, and ions from the tubular fluid.
D) The ascending limb of the nephron loop actively transports sodium and chloride ions out of the tubular fluid.
E) The filtration slits between the slender processes of the podocytes prevent the passage of blood cells and most plasma proteins.
D) The ascending limb of the nephron loop actively transports sodium and chloride ions out of the tubular fluid.
You might also like to view...
Which plasma protein transports fatty acids and some hormones?
A) apolipoprotein B) steroid-binding protein C) hormone-binding protein D) albumin E) gamma globulin
A needle would pierce the epidermal layers of the forearm in which order?
A) basale, spinosum, granulosum, corneum B) basale, spinosum, granulosum, lucidum, corneum C) granulosum, basale, spinosum, corneum D) corneum, granulosum, spinosum, basale
Neil accidentally ingests a substance that activates the complement cascade in the absence of bound antibodies. This substance would _________.
A) increase circulation of lymph. B) cause extensive cellular damage. C) produce a fever. D) activate blood clotting. E) prevent inflammation.
The amount of air moved into and out of the lung during normal, quiet breathing is called:
a. vital capacity b. residual volume c. tidal volume d. expiratory reserve volume