bbq #8

Term
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What type of digestion occurs in the mouth?
a. no digestion occurs in the mouth
b. mechanical and chemical
c. chemical
d. mechanical
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Terms in this set (20)
What type of digestion occurs in the mouth?
a. no digestion occurs in the mouth
b. mechanical and chemical
c. chemical
d. mechanical
mechanical and chemical
What does the liver metabolize (break down) from the blood?
a. glycogen
b. chyme
c. hepatocytes
d. toxins
toxins
Lactose is a disaccharide found in milk. What makes some people "lactose intolerant" as adults?
a. some people dont produce any enzymes, including the one needed to digest lactose
b. lactose can only be digested by people who produce enough lipase to digest it
c. the active site of the lactose digesting enzyme can vary from person to person
d. lactose intolerant people dont produce adequate amounts of lactase
lactose intolerant people dont produce adequate amounts of lactase
Which chemical is a hormone involved in digestion?
a. testosterone
b. bile
c. amylase
d. gastrin
gastrin
Which process provides the carbon dioxide you exhale?
a. anaerobic respiration
b. glycosis
c. transpiration
d. aerobic respiration
aerobic respiration
What risk may result from mixing alcohol with energy drinks?
a. energy drinks may task the true intoxicating effects of alcohol
b. large amounts of alcohol are digested in the stomach
c. less urine will be formed when drinking alcohol
d. more alcohol will be released through exhalation
energy drinks may task the true intoxicating effects of alcohol
Which substance is most likely an enzyme?
a. acetylcholine
b. stearic acid
c. endopeptidase
d. proline
endopeptidase
Which statement describes enzymes?
a. enzymes are not affected by high heat, as proteins are
b. enzymes are used up during chemical reactions
c. enzymes are not very specific
d. enzymes can be recycled and used over and over again
enzymes can be recycled and used over and over again
What is the term used to describe the contraction of smooth muscles that moves material down the esophagus?
a. elimination
b. peristalsis
c. absorption
d. detoxification
peristalsis
Which organ secretes a buffer that neutralizes the acidity of stomach acid?
a. gallbladder
b. pharynx
c. liver
d. pancreas
pancreas
How many alcoholic drinks can generally be metabolized in one hour? a. one b. two c. three d. fouroneHow does ATP provide energy to a cell? a.it shuttles electrons across the mitochondrial membrane to create potential energy b. it loses a phosphate group, releasing energy in the process c. it releases electrons, which are a source of energy d. it releases protons, which are used in the mitochondrion to create energyit loses a phosphate group, releasing energy in the processWhat is meant by metabolism? a. the boys ability to maintain a constant temperature b. the chemical reactions that create molecules in the body c. the bodys ability to lose weight d. all chemical reactions occurring in the bodyall chemical reactions occurring in the bodyWhat is a possible side effect of having one's gallbladder removed? a. peristalsis is slowed b. fat digestion is impaired c. the ph of the stomachs contents is never neutralized d. alcohol metabolism is impairedfat digestion is impairedWhy do gallstones form in the gallbladder? a. the gallbladder fills with dead hepatocytes b. the gallbladder doesnt function at all c. the gallbladder converts bile into crystallized calcium propionate d. the gallbladder removes too much water from bilethe gallbladder removes too much water from bileHow does the body's metabolic rate respond to extreme dieting? a. calories are burned at a much faster rate b. enough calories are burned to maintain a healthy weight c. calories are burned at a much slower rate d. the metabolic rate increased after the extreme diet endedcalories are burned at a much slower rateWhat type of metabolic pathway requires oxygen? a. fermentative b. aerobic c. photosynthetic d. anaerobicaerobicHow much alcohol dehydrogenase will a man and a woman of the same size produce? a. they will both produce the same amount b. the woman will produce more c. the man will produce more d. the production is not related to body sizethe man will produce moreWhat proteins speed up chemical reactions in cells? a. muscle fibers b. antioxidants c. coenzymes d. enzymesenzymesIf you ate a piece of toast covered with butter, which macromolecule components would result after your body breaks down the food? a. fatty acids, amino acids and polysaccharides b. amino acids and glycerol c. glycerol, fatty acids, and monosaccharides d. monosaccharides and amino acidsglycerol, fatty acids, and monosaccharides