In traveling through your GI tract, chyme would encountera the esophagus, then the stomach.. In traveling through your GI tract, chyme would encountera the esophagus, then the stomach..
Trang 1Chapter 3 Clicker Questions
Chapter 3:
The Human Body:
Are We Really
What We Eat?
Trang 2The region of brain tissue that is responsible for prompting us to seek food is the
a) pituitary gland
b) satiety center
c) hypothalamus
d) thalamus
Trang 3The region of brain tissue that is responsible for prompting us to seek food is the
a) pituitary gland
b) satiety center
c) hypothalamus.
d) thalamus
Trang 4In traveling through your GI tract, chyme would encounter
a) the esophagus, then the stomach
b) the duodenum, then the jejunum, and then the
ileum
c) the liver, then the gallbladder, and then the
pancreas
d) the jejunum, then the transverse colon, the
ascending colon, and finally the anus
Trang 5In traveling through your GI tract, chyme would encounter
a) the esophagus, then the stomach
b) the duodenum, then the jejunum, and then the
ileum.
c) the liver, then the gallbladder, and then the
pancreas
d) the jejunum, then the transverse colon, the
ascending colon, and finally the anus
Trang 6The parietal cells of the stomach secrete hydrochloric acid, which
a) begins to denature proteins
b) accomplishes protein digestion
c) begins to digest carbohydrates
d) is more acidic than battery acid
Trang 7The parietal cells of the stomach secrete hydrochloric acid, which
a) begins to denature proteins.
b) accomplishes protein digestion
c) begins to digest carbohydrates
d) is more acidic than battery acid
Trang 8Which of the following statements about chemical digestion is true?
a) Enzymes are chemical messenger molecules that
are important in regulating many aspects of digestion
b) Hormones are nearly always produced in the same
organ whose activity they assist
c) Most hormones and enzymes involved in digestion
are nonspecific, acting on a wide variety of compounds
d) Upon release into the GI tract, digestive enzymes
typically facilitate hydrolysis reactions
Trang 9Which of the following statements about chemical digestion is true?
a) Enzymes are chemical messenger molecules that
are important in regulating many aspects of digestion
b) Hormones are nearly always produced in the same
organ whose activity they assist
c) Most hormones and enzymes involved in digestion
are nonspecific, acting on a wide variety of compounds
d) Upon release into the GI tract, digestive enzymes
typically facilitate hydrolysis reactions.
Trang 10Bile is a greenish fluid that
a) is produced by the gallbladder
b) is stored by the pancreas
c) is necessary for the absorption of vitamin B12.d) emulsifies lipids
Trang 11Bile is a greenish fluid that
a) is produced by the gallbladder
b) is stored by the pancreas
c) is necessary for the absorption of vitamin B12
d) emulsifies lipids.
Trang 12The lining of the small intestine
a) has muscular ridges called rugae that flatten to
increase its absorptive capacity
b) is studded with lymph nodes that absorb nutrients
from the chyme
c) has fingerlike projections called villi that contain
capillaries and a lacteal that pick up absorbed nutrients
d) has absorptive cells called enterocytes that line the
microvilli
Trang 13The lining of the small intestine
a) has muscular ridges called rugae that flatten to
increase its absorptive capacity
b) is studded with lymph nodes that absorb nutrients
from the chyme
c) has fingerlike projections called villi that contain
capillaries and a lacteal that pick up absorbed nutrients.
d) has absorptive cells called enterocytes that line the
microvilli
Trang 14A process in which nutrients are shuttled across enterocytes with the help of a carrier protein but
Trang 15A process in which nutrients are shuttled across enterocytes with the help of a carrier protein but
Trang 16Which of the following processes moves food along the entire GI tract?
a) mass movement
b) peristalsis
c) haustration
d) segmentation
Trang 17Which of the following processes moves food along the entire GI tract?
a) mass movement
b) peristalsis
c) haustration
d) segmentation
Trang 18Gastroesophageal reflux disease is caused
a) by pooling of gastric juice in the lower
esophagus
b) when a hypersensitivity immune response triggers
inflammation of the esophagus and stomach
c) by ulceration of the lining of the colon
d) by an inappropriate response of enteric nerves to
stress
Trang 19Gastroesophageal reflux disease is caused
a) by pooling of gastric juice in the lower
esophagus.
b) when a hypersensitivity immune response triggers
inflammation of the esophagus and stomach
c) by ulceration of the lining of the colon
d) by an inappropriate response of enteric nerves to
stress
Trang 21c) can be successfully treated during a colonoscopy.
d) can be detected with a screening test before it
produces signs or symptoms.