Biology 12 Unit 5 Pretest

Transcription

1 Biology Unit 5 Pretest Name: Date: Block:. Chewing aids digestion by A. stimulating release of bile B. increasing surface area of food C. breaking up polymers into monomers D. stimulating water absorption. What is the function of saliva with regard to a bolus? A. temperature regulation B. lubrication C. absorption D. detoxification. A patient complains of a burning sensation in their chest, caused by gastric juice in the esophagus. The structure most likely malfunctioning is the A. pharynx B. epiglottis C. pyloric sphincter D. cardiac sphincter 4. Which structure is NOT part of the gut (digestive tract)? A. esophagus B. duodenum C. pancreas D. rectum 5. High levels of toxins in the blood may indicate a malfunction of the A. stomach B. liver C. pancreas D. colon 6. Which of the structures in the diagram to the right absorb fat? A. W B. X C. Y D. Z 7. Which pair of structures produce substances that digest carbohydrates? A. duodenum, ileum B. liver, stomach C. mouth, pancreas D. ileum, colon X Y W

2 8. Hydrochloric acid in gastric juice A. emulsifies fats B. activates pepsin C. absorbs water D. stimulates release of insulin 9. Which of the following enzymes is correctly matched with its source? A. amylase stomach B. peptidase pancreas C. trypsin small intestine D. maltase small intestine 0. Which of the following best describes what could be found in a person's duodenum after they have eaten a meal? A. bile, maltose, bicarbonate B. starch, protein, lipids C. maltose, hydrochloric acid, pepsin D. salivary amylase, bolus. How would digestion be affected if pancreas secretions were unable to enter the duodenum? A. rate of emulsification of fat would decrease B. rate of breakdown of maltose would increase C. production of amino acids would increase D. production of fatty acids would decrease

3 . Define the following terms... a) mechanical (physical) digestion: b) chemical digestion: c) bolus: d) swallowing: e) persistalsis: f) chyme: g) absorption:. State the function of the following digestive structures... a) tongue: b) teeth (name and describe types):

4 . State the name and function of each labeled part in the diagram of the upper digestive system... Part Name Function State the name and function(s) of each labeled part in the diagram of the lower digestive system... Part Name Function i ii. iii.

5 0

6 5. Describe ways that the small intestine is specialized for absorption State the name and function(s) of each labeled part in the diagram of a villus below... Part Name Function 4. Describe the function of bile.... Fill in the table below regarding digestive enzyme activity Enzyme Source ph Substrate Product salivary amylase pepsin = + pancreatic amylase trypsin lipase nuclease maltase peptidase nucleosidase

7 . Fill in the table below regarding digestive hormone activity Hormone Responds To Source Site of Action Response gastrin insulin glucagon secretin cholesystekinin (CCK) 4. Describe the function of anaerobic bacteria in the large intestine...

8 Pre-test Analysis This process should help you determine how you can improve in the way you prepare for tests. Question # Missed Question Profile Reason Answer was Incorrect Other Info Topic/PLO Covered I Had NO Idea... Misinterpreted Silly Mistake Didn t Do It Special notes about this question for the test Pre-test Analysis:

9 . Areas of Strength: a. What were the areas of strength that you have with this unit?. Areas of Focus: a. What topic(s) did you have the most difficulty with? b. Why do you think you are having problems with these topics? c. What are you going to do to help your understanding in these areas?. Goal Setting: a. Based on how well you did on your pre-test what mark do you think you are going to get on this test? b. What mark would you like to get on this test? c. Is this realistic based on the amount of time you are planning on studying for the test? 4. Tutorials: a. How many tutorial sessions are you planning on attending to help you achieve the mark your want? b. What topics will you be studying when you come to the tutorial session? Plan of Improvement for the Test:. Study Plan: What is my study plan for this unit test? Please fill in the following table: Plan is detailed & in sequential steps & passes the if you do this you will improve test Date Length of Study Lesson(s) &/or Topic(s) Covered Question(s) that I have from these areas: