Transcript 3. The Human Body

Chapter 3 Clicker Questions
Chapter 3:
The Human Body:
Are We Really
What We Eat?
© 2017 Pearson Education, Inc.
The region of brain tissue that is responsible for
prompting us to seek food is the
a)
b)
c)
d)
pituitary gland.
satiety center.
hypothalamus.
thalamus.
© 2017 Pearson Education, Inc.
The region of brain tissue that is responsible for
prompting us to seek food is the
a)
b)
c)
d)
pituitary gland.
satiety center.
hypothalamus.
thalamus.
© 2017 Pearson Education, Inc.
In 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.
© 2017 Pearson Education, Inc.
In 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.
© 2017 Pearson Education, Inc.
The parietal cells of the stomach secrete
hydrochloric acid, which
a)
b)
c)
d)
begins to denature proteins.
accomplishes protein digestion.
begins to digest carbohydrates.
is more acidic than battery acid.
© 2017 Pearson Education, Inc.
The parietal cells of the stomach secrete
hydrochloric acid, which
a)
b)
c)
d)
begins to denature proteins.
accomplishes protein digestion.
begins to digest carbohydrates.
is more acidic than battery acid.
© 2017 Pearson Education, Inc.
Which 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.
© 2017 Pearson Education, Inc.
Which 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.
© 2017 Pearson Education, Inc.
Bile is a greenish fluid that
a)
b)
c)
d)
is produced by the gallbladder.
is stored by the pancreas.
is necessary for the absorption of vitamin B12.
emulsifies lipids.
© 2017 Pearson Education, Inc.
Bile is a greenish fluid that
a)
b)
c)
d)
is produced by the gallbladder.
is stored by the pancreas.
is necessary for the absorption of vitamin B12.
emulsifies lipids.
© 2017 Pearson Education, Inc.
The 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.
© 2017 Pearson Education, Inc.
The 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.
© 2017 Pearson Education, Inc.
A process in which nutrients are shuttled across
enterocytes with the help of a carrier protein but
no use of energy is
a)
b)
c)
d)
passive diffusion.
facilitated diffusion.
active transport.
endocytosis.
© 2017 Pearson Education, Inc.
A process in which nutrients are shuttled across
enterocytes with the help of a carrier protein but
no use of energy is
a)
b)
c)
d)
passive diffusion.
facilitated diffusion.
active transport.
endocytosis.
© 2017 Pearson Education, Inc.
Which of the following processes moves food
along the entire GI tract?
a)
b)
c)
d)
mass movement
peristalsis
haustration
segmentation
© 2017 Pearson Education, Inc.
Which of the following processes moves food
along the entire GI tract?
a)
b)
c)
d)
mass movement
peristalsis
haustration
segmentation
© 2017 Pearson Education, Inc.
Gastroesophageal 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.
© 2017 Pearson Education, Inc.
Gastroesophageal 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.
© 2017 Pearson Education, Inc.
Colorectal cancer
a) accounts for nearly one-fourth of all cancers of the
gastrointestinal system.
b) is the most common cancer in both men and
women.
c) can be successfully treated during a colonoscopy.
d) can be detected with a screening test before it
produces signs or symptoms.
© 2017 Pearson Education, Inc.
Colorectal cancer
a) accounts for nearly one-fourth of all cancers of the
gastrointestinal system.
b) is the most common cancer in both men and
women.
c) can be successfully treated during a colonoscopy.
d) can be detected with a screening test before it
produces signs or symptoms.
© 2017 Pearson Education, Inc.