If dietary iodine levels are deficient you would expect that plasma TSH levels would be ________ and that plasma thyroxine levels would be ________.
A) high; low
B) low; high
C) unchanged; low
D) low; unchanged
E) low; low
Question 2
The gastroileal reflex
A) empties the duodenum.
B) promotes gastric secretion.
C) decreases peristaltic activity.
D) moves some chyme to the colon.
E) is relayed through the CNS.