23.2 True/False Questions
1) The vermiform appendix is suspended from the cecum.
2) The terms
taste bud
and
papillae
are synonymous.
3) The lesser omentum directly attaches the stomach to the posterior abdominal wall.
4) The pancreas and duodenum are secondarily retroperitoneal organs.
5) Most of the ascending colon lies between the subcostal and transtubercular planes.
6) From the lumen outward, the layers of the gastrointestinal tract are mucosa, submucosa, muscularis, serosa.
7) The most superficial layer of the esophagus is the serosa.
8) Smooth muscle fibers differ from skeletal muscle in that they do not contain contractile myofilaments.
9) Stretching of the anal sphincter initiates the defecation reflex.
10) Villi are cytoplasmic projections on the surface of intestinal absorptive cells.
11) Chief cells of the gastric glands secrete pepsinogen.
12) Hepatic portal blood is mixed with blood from the hepatic artery in the liver.
13) The small intestines contain bacteria that synthesize some essential vitamins.
14) A gallstone lodged in the cystic duct may also cause blockage of the pancreas.
15) The sinusoids of the liver lobule receive blood from the portal arteriole and deliver blood to the portal venule.