Which of the following statements provides an accurate description of cellular physiology involving structures of the digestive system?
A. Hemocytoblasts (blood stem cells) are located in the red bone marrow.
B. Cardiac muscle cells contract to generate pressure that moves the blood through blood vessels.
C. The epidermis, the superficial layer of the skin, is composed of multiple layers of cells.
D. Hepatocytes (liver cells) produce bile to aid in the breakdown of ingested lipids.
Answer: D
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Assume we could alter the conditions in the duodenum. If we inserted a large volume of highly acidic chyme which contained a large amount of fat, which of the following responses are consistent with that?
(1) decreased gastric acid secretion (2) increased bile production (3) increased pancreatic bicarbonate production and pancreatic enzyme secretion (4) increased secretin and cholecystokinin A. 1, 2, 3, 4 B. 1, 2, 3 C. 2, 3, 4 D. 1, 3, 4 E. 1, 2, 4
One of the functions of synovial fluid is to act as a shock absorber that distributes force evenly across the joint surface
Indicate whether this statement is true or false.
Discuss why Martina, who has blood type A, cannot receive blood type B during a transfusion
What will be an ideal response?
Which number indicates the lunula?
A. 1 B. 2 C. 3 D. 4 E. 5