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Have-a-Java Quiz 1 - Digestive System:
 
1. Lipids are also known as:
    A) carbohydrates
    B) nucleic acids
    C) proteins
    D) fats

 
2. The enzyme found in saliva that breaks down starch is called:
    A) amylase
    B) pepsin
    C) trypsin
    D) lipase

 
3. Which one of the following is NOT a salivary gland in the human?
    A) parotid
    B) suborbital
    C) submaxillary
    D) sublingual

 
4. A cat is a carnivore and has large, piercing ___________. In addition, the molars and premolars are quite ____________.
    A) incisors, flat
    B) incisors, sharp
    C) canines, flat
    D) canines, sharp

 
5. The small intestine uses _________ to absorb nutrients.
    A) villi
    B) rugae
    C) papillae
    D) none of the above

 
6. The taste buds are located along the sides of the __________ on the tongue.
    A) villi
    B) rugae
    C) papillae
    D) none of the above

 
7. The small intestine has 3 regions. The first region is called the:
    A) duodenum
    B) ileum
    C) jejunum
    D) colon

 
8. Feces is stored in the _____ until it is released from the body.
    A) anus
    B) rectum
    C) ileum
    D) duodenum

 
9. The ______ connects the pharynx to the stomach.
    A) esophagus
    B) nasal cavity
    C) ileum
    D) sigmoid colon

 
10. Bile is produced in the ________ and stored in the ___________.
    A) stomach; liver
    B) intestine; stomach
    C) liver; gall bladder
    D) gall bladder; colon

 
11. When proteins are broken down by enzymes, the products are:
    A) amino acids
    B) carbohydrates
    C) fatty acids
    D) nucleic acids

 
12. One major function of the large intestine is to:
    A) absorb water
    B) break down starch
    C) produce bile
    D) produce insulin

 
13. The pyloric sphincter controls movement of food from the _____ to the _____.
    A) small intestine; large intestine
    B) large intestine; rectum
    C) stomach; small intestine
    D) pancreas; liver

 
14. The least important human digestive organ from this list is the:
    A) duodenum
    B) esophagus
    C) pancreas
    D) appendix

 
15. The innermost lining of the esophagus or stomach is called the:
    A) mucosa
    B) submucosa
    C) muscularis
    D) tunica intima

 
16. The layer of the esophagus most distal to the lumen is the:
    A) mucosa
    B) submucosa
    C) muscularis
    D) tunica intima

 
17. The muscular contractions that occur all along the digestive tract and which move food along are called:
    A) elimination
    B) peristalsis
    C) hypertension
    D) swallowing

 
18. Which specific layer is found in the stomach but not in the esophagus or intestine:
    A) mucosa
    B) submucosa
    C) circular muscle
    D) oblique muscle

 
19. Unlike glucose and amino acids, fats entering the villus move into the:
    A) lacteal
    B) arteriole
    C) venule
    D) capillary

 
20. Which one of the following is not a normal component of gastric juice?
    A) renin
    B) pepsinogen
    C) hydrochloric acid
    D) secretin

 
21. The purpose of HCl in the stomach is to convert:
    A) pepsinogen to pepsin
    B) trypsin to trypsinogen
    C) trypsinogen to trypsin
    D) lipase to lipids

 
22. Trypsin is released by the _________ and acts in the ____________ to break down _____________.
    A) stomach; duodenum; carbohydrates
    B) liver; stomach; carbohydrates
    C) pancreas; duodenum; proteins
    D) gall bladder; liver; proteins

 
23. Secretin is released by the ___________ in response to ___________. It travels to the _________ to stimulate release of _________.
    A) gall bladder; fat; duodenum; lipase
    B) stomach; bicarbonate; liver; bile
    C) pancreas; protein; duodenum; pepsin
    D) duodenum; acid; pancreas; bicarbonate

 
24. CCK is released by the _______ in response to __________. It travels to the ________ to stimulate release of _________.
    A) gall bladder; fat; duodenum; lipase
    B) stomach; bicarbonate; liver; bile
    C) pancreas; protein; duodenum; pepsin
    D) duodenum; fat; gall bladder; bile

 
25. When blood glucose drops, the __________ releases _________ which travels to the _________ causing __________ breakdown to release glucose into the bloodstream.
    A) pancreas; insulin; muscles; protein
    B) pancreas; glucagon; liver; glycogen
    C) liver; insulin; pancreas; glycogen
    D) liver; glucagon; pancreas; lipid



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