Study Questions

advertisement
7.1 Which of the following is digested by amylase in the saliva?
1)
2)
3)
4)
5)
Proteins
Lipids
Minerals
Vitamins
Starch
7.2 Thankfully the epiglottis is typically in the up position so that:
1) Food travels from the stomach to the small intestine
2) Air typically travels from the nose to the lungs
3) Blood travels from the liver to the heart
4) Blood travels from the heart to the liver
5) None of the above
7.3 Since food enclosed in metal tubes with cloth lids is partially digested when they go
through the digestive track:
1)
2)
3)
4)
5)
Digestion is, in part, a chemical process
Digestion is only a chemical process
Digestion is only a mechanical process
Digestion is a vital process
Digestion is composed of two gestions
7.4 Gastric juice contains______________.
1)
2)
3)
4)
5)
hydrochloric acid
pepsin
mucus
all of the above
lipase
7.5 A valve in the skin that leads to the inside of the stomach is called a___________.
1)
2)
3)
4)
5)
vivisection
dissection
fistula
duodenum
villus
7.6. William Beaumont noticed that Alexis St. Martin’s stomach ______________in
response to fear or rage.
1) enlarged
2) shrank
3) turned bright red
4) became pale
5) secreted great quantities of gastric juice
7.7 The fact that meat was digested by gastric juice, but not by acid alone lead to the idea
that
1)
2)
3)
4)
5)
The stomach contained a protease.
The stomach contained a lipase.
The stomach contained an amylase.
The stomach contained mucus.
All of the above
7.8 Pepsinogen is secreted in the_____________.
1) mouth
2) stomach
3) small intestine
4) large intestine
5) pancreas
7.9 Stomach acid is secreted by______________.
1)
2)
3)
4)
5)
chief cells
parietal Cells
mucosal Cells
capillary cells
cells of the salivary glands
7.10 Heidenhain noticed that the large vesicles that were in chief cells of the gastric
mucosa disappeared after the dog ate. He concluded that:
1)
2)
3)
4)
5)
The vesicles contained an appetite suppressant
The vesicles contained an acid
The vesicles contained a digestive enzyme
The vesicles contained an appetite stimulant
The vesicles are the site of respiration
7.11 Pavlov showed that when a dog sees or smells agreeable food,
1)
2)
3)
4)
5)
the salivary glands secrete lipase
the salivary glands secrete gastric juice
the salivary gland secrete amylase
the salivary glands stop secreting amylase
the salivary glands stop secreting lipase
7.12 A dog secreting saliva in response to a stimulus associated with food and not by
food itself is an example of:
1)
2)
3)
4)
5)
Unconditional love
An unconditioned response
A conditioned response
A response controlled by the liver
A response controlled by the pancreas
7.13. Using X-rays, Walter B. Cannon noticed that ______________in an enraged cat.
1) the stomach secreted large quantities of stomach acid
2) the stomach secreted large quantities of pepsinogen
3) the stomach stopped churning
4) the stomach became ulcerated
5) all of the above
7.14. The fight or flight response directs nutrient- and oxygen-rich blood away from the
_________ and to the ___________.
1) stomach; heart and skeletal muscles
2) heart and skeletal muscles; stomach
3) heart; skeletal muscles
4) skeletal muscles; heart
5) heart; genitalia
7.15. The ordeal by rice used in courts in Burma and India is based on the fact that fear
prevents the secretion of
1) HCl.
2) pesinogen.
3) amylase.
4) vitamin A.
5) none of the above.
7.16 Most ulcers are caused by ___________.
1) Stress
2) Too many high density lipoproteins
3) Helicobacter
4) An excess of fat soluble vitamins
5) Too many low density lipoproteins
7.17 “The specific disease must be induced into a healthy host when a pure culture of the
bacterium is inoculated into it.” is one of
1)
2)
3)
4)
5)
Occam’s postulates
Aristotle’s posulates
Koch’s postulates
Harvey’s postulates
Descartes’ postulates
7.18. Meat tenderizers are extracts from papaya or pineapple that contain
1) vitamin C
2) proteases
3) p-protein
4) vitamin B1
5) vitamin B3
7.19. Barry Marshall’s ingested Helicobacter because
1)
2)
3)
4)
5)
there was no animal model for ulcers
he was a scientific hero
he wanted to fulfill Koch’s postulates
he wanted to show that ulcers were caused by bacteria and not only by stress
all of the above
7.20. Tagamet binds to the H2 histamine receptor to prevent the secretion of________.
1) gastric juice
2) blood plasma
3) tears
4) mucus
5) all of the above
Download