Which is true about the macula densa cell? (Circle all apply) a. Secrete angiotensinogen  b. modified smooth muscle cell of afferent arteriole  c. moniter NaCl concentration in the filtrate d. found in the ascending limb of nephron loop e. Secrete renin

To compensate for a change in pH due to hyperventilation which of the following will occur 1.  proximal convoluted tubular cells will decrease H+ secretion and HCO3- reabsorption 2. distal convoluted tubular cells will increase HCO3- reabosorption 3.  intercalated A cells will decrease H+ secretion and HCO3- reabsorption 4. intercalated  B cells will increase H+ secretion and HCO3- reabsorption 5. intercalated A cells will increase HCO3- secretion 6. intercalated B cells will increase HCO3- reabsorption choose from the following: (A) 1, 2, 3, and 6 (B) 2 and 5 (C) 1 and 3 (D) 6 only

Sketch each of the following segments of the nephron, and for each, write a short sentencedescribing how its epithelial structure suits its function.a. visceral layer of Bowman’s capsuleb. parietal layer of Bowman’s capsulec. proximal convoluted tubuled. thin segment/ loop of Henlee. collecting tubule

The juxtaglomerular cells of the and the macula densa cellsof the form the juxtaglomerular apparatus.a. afferent arteriole, proximal convoluted tubuleb. afferent arteriole, distal convoluted tubulec. efferent arteriole, proximal convoluted tubuled. efferent arteriole, distal convoluted tubule