Renal Physio Quiz

Which of the following statements regarding tubular transport is correct?

• Bicarbonate ion is primarily reabsorbed with sodium at the late PCT.

• Descending loop of Henle is permeable to solutes.

• Na+ is reabsorbed actively from the lumen using Na+ channels.

• Na+ is transported to the interstitial region using a Na+/K+ ATPase pump.

Which of the following statements is correct?

• High osmolarity triggers aldosterone secretion.

• ANP increases constriction of the afferent arteriole.

• ADH increases Na+/K+ ATPase activity

• Ang II increases Na+/H+ counter-transporter activity.

Which of the following statements are MOST likely regarding the juxtamedullary nephrons.

• The main function for filtration,reabsorption and secretion.

• It receives more blood flow than cortical nephrons.

• Vasa recta surround its loop.

• Urea is transported by ascending vasa recta.

Increased in the following determinant caused increase in the glomerular filtration rate (GFR)

• Glomerular capillary oncotic pressure

• Bowman’s capsule oncotic pressure

• Bowman’s capsule hydrostatic pressure

• Capillary filtration coefficient

The signal which controls the secretion of antidiuretic hormone is

• renin.

• the blood glucose concentration.

• the osmotic pressure of the blood.

• angiotensinogen.