Digestive System Test

Follow these instructions to complete the test today.

1. Open a word document for an answer sheet.
2. Put your name and "Digestive System Test" in the header and today's date (3/20/2008).
3. Number the answers to the questions (you don't have to copy and paste the questions).
4. Keep in mind that some of the answers may have to be inferred from your notes of our discussions - in other words, think!!!
5. When you finish the test, print your answer document.
6. Staple the diagram (when you have finished coloring it) to the answer document and turn it in.
7. Be sure not to leave any hard-boiled Easter eggs undiscovered in your toy box! I could tell you a story about that......


Digestive System Test.

Part One. Fill in the blank.

1. The two main functions of the digestive system are digestion and ___.

2. The digestive system consists of a tube which, in an adult, has a length of about ___.

3. A frog's digestive system, when compared to its body length, is about ____.

4. A human's digestive system, when compared to its body length, is about ____.

5. The major type of muscle in the digestive system is ___.

6. The teeth which are used for tearing food are called ___.

7. The teeth which are used for grinding food are called ___.

8. Once food is bitten off and chewed, it leaves the mouth and is called a ___.

9. Food passes into the stomach from the pharynx to a tube called the ___.

10. The series of wavelike contractions that carries food through the digestive tract is called ___.

11. The sphincter that allows food to enter the stomach is called the ___.

12. The enzymes produced by the stomach do not digest the stomach wall because the wall is protected by ___.

13. In the stomach, food is converted to a soupy mixture called ___.

14. The sphincter that allows food to enter the duodenum is called the ___.

15. The acidity of the stomach's contents are neutralized in the duodenum by the addition of ___.

16. A major function of the large intestine is the reabsorption of ___.

Part Two. Multiple Choice.

17. Passage of a bolus of food down the esophagus is assisted by
A) enzymes and acids B) peristalsis and gravity C) the sphincters

18. Enzymes secreted by the salivary glands
A) emulsify fats B) digest carbohydrates C) stimulate hormones

19. Which of the following is not part of the small intestine?
A) ilium B) jejunum C) duodenum

20. Bile, which is produced in the liver, assists the
A) breakdown of proteins B) absorption of water C) emulsification of fats

21. Most absorption of nutrients occurs
A) in the mouth B) in the small intestine C) in the stomach

22. The large intestine is so-named because it exceeds the small intestine in
A) length B) diameter C) amount of muscle

23. The pancreas secretes several hormones - a primary hormone secreted is insulin which allows the cells to absorb
A) fats B) proteins C) glucose

24. Choose one of the digestive disorder discussed in class and explain its impact on the human body.

25. Color the portion of the digestive system that was chosen for question 24.