Briefly describe the segmentation motility associated with digestion in the small intestine.
What will be an ideal response?
The segmentation motility involves ring-like contractions along the length of the small intestine. Within a matter of seconds, the contracted segments relax and the previously relaxed areas contract. The oscillating contractions thoroughly mix chyme within the small intestine lumen.
You might also like to view...
Electronic data systems used to house medical records are characterized by
a. a lack of popularity among health care facilities. b. reliance on handwritten chart notes. c. flexibility in language used. d. standardized templates.
Where in the body are the majority of triglycerides stored for future energy needs?
A. lipoproteins B. beta cells of the pancreas C. liver D. adipose tissue
Vitamin B12 deficiency can result in a macrocytic, megaloblastic anemia. This is because
A. vitamin B12 is directly required for red blood cell production. B. vitamin B12 deficiency produces a secondary folate deficiency. C. of an autoimmune attack on stomach cells producing intrinsic factor.
Which of the following statements about brown adipose tissue (BAT) is false?
A. BAT cells have multiple mitochondria B. There is more BAT in the human body than white adipose tissue (WAT) C. BAT contains uncoupling proteins, which disrupt normal ATP formation D. BAT has a higher thermogenic activity than white adipose tissue (WAT)