A&P Chapter 16 and 17 Test Questions
Which vitamins is the liver unable to store
Vitamins B and C (water soluble)
Where would you find the appetite center and satiety center
hypothalamus
where does glycogenolysis occur
liver and muscle cells
Carbohydrate digestion begins in the
mouth
does glycolysis follow the citric acid cycle in carbohydrate metabolism
no, it starts it off
Does glycolysis require oxygen?
no, its anaerobic
Amylase is made in the:
pancreas and salivary glands
The part of the stomach that joins with the small intestine is the:
pylorus
A flow of heat waves from the blood and skin
radiation
Outer most layer of the digestive tract
serosa
Fat digestion begins in the:
small intestine
maltase and sucrase are made in the :
small intestine
protein digestion begins in the:
stomach
where does hydrochloric acid convert pepsinogen to pepsin
stomach
layer of the digestive tract that contains blood vessels, nerves and connective tissue
submucosa
end products of glycolysis
2 pyruvate acids
how much energy is released from food molecules during catabolism as heat?
60%
which vitamins is the liver able to store
A, D, E, K ( lipid soluble)
Escape of heat from blood and skin by water (sweat) vaporization
Evaporation
Which blood vessel allows blood from the digestive system to be sent directly to the liver?
Hepatic Portal Vein
Which is NOT TRUE about the GI tract a)9 feet long in adults b)called the alimentary canal c)material in the tract is considered to be outside of the body
a) 9 feet long in adults (it is actually 29 feet)
process that builds up food molecules into more complex molecules
anabolism
Which is NOT TRUE about the esophagus a) 25 cm long (10 inches) b) a tube that connects the larynx and the stomach c) muscular d) mucus lined tube for easier passage of food
b) a tube that connects the larynx and the stomach
enzymes are important in a) mechanical digestion b) deglutition c) chemical digestion d) a and c
b) chemical digestion
Glucose anabolism is called a)glycolysis b)glycogenesis c)glucagon d) both a and b
b) glycogenesis
in one molecule of ATP a) there is one high energy bond b) there are two high energy bonds c) there are three high energy bonds d) there are four high energy bonds
b) there are two high energy bonds
At the hepatic flexure, a) transverse colon becomes the descending colon b) descending colon becomes the transverse c) ascending colon becomes the transverse colon d) ascending colon becomes the descending colon
c) ascending colon becomes the transverse colon
Where is usable energy in the ATP molecule stored a) adenosine b) bond attaching adenosine to first phosphate group c) bond between the second and third phosphate groups
c) bond between the second and third phosphate group
Minerals and vitamins share which characteristic: a) both are organic b) both are inorganic c) help enzymes function
c) help enzymes function
which of the following is NOT a characteristic of enzymes a) names frequently end in ASE b) they act as catalysts for the digestion of food c) one enzyme can act on many different types of food
c) one enzyme can act on many different types of food
A SEMI-SOLID MIXTURE of food and gastric juices in the stomach
chyme
Glycolysis takes place
cytoplasm
Bile: a) causes the emulsification of fat b) is made in the liver c) works in the small intestine d) all of the above
d) all of the above
which of the following processes is NOT considered an example of mechanical digestion a) teeth chewing food b) bile acting on food in small intestine c) stomach churning food d) amylase acting on food in mouth
d) amylase acting on food in the mouth (chemical )
the citric acid cycle a) occur in mitochondria b) follow glycolysis c) important in carbohydrate anabolism d) both a and b
d) both a and b
minerals are a) organic substances b) inorganic substances c) attach to enzymes to help them work d) both b and c
d) both b and c
the secretion of the hormone cholecystokinin (CCK) from the small intestine causes a) increase in peristalsis in stomach b) relaxation of the pyloric sphincter c) increase in intestinal segmentation d) contraction of the gallbladder to move bile to duodenum
d) contraction of the gallbladder to move bile to duodenum
which of the following structures does NOT help to increase the absorptive surface area of the small intestine a) villi b) plicae c) microvilli d) lacteals
d) lacteals
The process of glycolysis and the citric acid cycle: a) both require oxygen b) both occur in mitochondria c) involved in carbohydrate anabolism d) none of the above
d) none of the above
part of the small intestine that does most of the chemical digestion
duodenum
the ducts that carry secretion from pancreas, empty into which part of the digestion tract
duodenum
which of these bones DO NOT make part of the hard palate: a) paletine b) maxillary c) ethmoid
e) ethmoid
The part of the stomach to the left and above the opening of the esophagus into the stomach is
fundus
the name implies a wormlike, tubular structure
vermiform appendix
Can the liver store iron?
yes
