How is digestive activity provoked after eating? What activates the secretion of digestive juices into the lumen or hormones into the blood?
What will be an ideal response?
Sensors (mechanoreceptors and chemoreceptors) located in the walls of the gastrointestinal tract respond to stretching by the introduction of food into the lumen. Also, the sensors are able to respond to changes in solute concentration and pH as well as the presence of substrates and end products of digestion.
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Which of the following is the most common cause of metabolic alkalosis?
a) Hemorrhage b) Vomiting c) Pneumothroax d) Diabetes e) Cancer
Down syndrome (trisomy-21 ) results from ________
A) a sex-linked mutation B) an autosomal recessive allele C) a teratogen D) nondisjunction E) a mutagen
The condition caused by an accumulation of tissue fluid in the interstitial spaces is____
Fill in the blank(s) with the appropriate word(s).
Which of the following are NOT controlled by the hypothalamus?
a) Hunger b) Thirst c) Blood calcium concentration d) Emotional behavior e) Body temperature