Question 1
Glucose and amino acids are reabsorbed by
◦ diffusion.
◦ cotransport.
◦ countertransport.
◦ symport with sodium.
Question 2
Which statement about autoregulation is TRUE?
◦ In myogenic response, the macula densa cells send a paracrine message to the neighboring afferent arteriole.
◦ In tubuloglomerular feedback, stretch-sensitive ion channels open, resulting in depolarization of smooth muscle cells.
◦ Myogenic response is the intrinsic ability of vascular smooth muscle to respond to pressure changes.
◦ Myogenic response is a paracrine signaling mechanism.