Useful Final Exam Study Questions

Useful Final Exam Study Questions - Quiz 11 Question 1...

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Quiz 11 Question 1 Which one of the following is not an adaptation to an herbivorous diet? a rumen large populations of symbiotic bacteria and protists in special fermentation chambers in the alimentary canal longer intestines reingestion of feces sharp, pointed teeth Question 2 The lungs consist of many small air sacs and blood vessels, which greatly increase surface area and improve the transfer of substances through their walls. The structures in the digestive system similar in function to these air sacs and capillaries are the _____. villi and microvilli sphincters gastric glands high-density lipoproteins esophagus Question 3 Why is it important to consume B vitamins every day, but not A vitamins? Vitamin A can be stored by the body, but B vitamins cannot. Vitamin A is water-soluble, and B vitamins are fat-soluble. The body needs much larger amounts of B vitamins than vitamin A. B vitamins are an essential nutrient, and vitamin A is not. The body requires B vitamins, but vitamin A is just an "extra." Question 4 Which one of the following statements regarding protein digestion is false ? Protein digestion is initiated when pepsin splits polypeptide chains into smaller polypeptides. Protein digestion occurs at a pH of about 2.0. Protein digestion is dependent on HCl from parietal cells of the stomach. Protein digestion begins in the stomach. Protein digestion involves pepsin, which comes from the chief cells in the stomach. Question 5 Your blood pressure is 120/70. The "120" indicates _____, and the "70" indicates _____. pressure in the left ventricle . .. pressure in the right ventricle pressure in the systemic system . .. pressure in the pulmonary system pressure in the left ventricle . .. pressure in the left atrium arterial pressure during heart contraction . .. arterial pressure during heart relaxation arterial pressure . .. venous pressure Question 6 A breakfast cereal advertises that it contains essential vitamins and minerals. In this context, the word "essential" means _____. that it is important that you believe the package and buy the product nothing—this is just a gimmick that they can be made in the body but it is important to eat food containing these nutrients so that we do not waste essential energy in making them the nutrients must be supplied in the diet and cannot be made in the body that it contains the essence of vegetables used to extract the nutrients Question 7 Most oxygen is carried by the blood _____. Most carbon dioxide is carried by the blood _____. in the form of hydrogen ions . .. in the form of bicarbonate ions attached to hemoglobin . .. dissolved in plasma attached to hemoglobin . .. in the form of bicarbonate ions attached to hemoglobin . .. attached to hemoglobin dissolved in the plasma . .. dissolved in the plasma Question 8 Where does blood go directly after it leaves the inferior (posterior) vena cava?
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This note was uploaded on 05/12/2011 for the course BIOL 1202 taught by Professor Gregg during the Spring '08 term at LSU.

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Useful Final Exam Study Questions - Quiz 11 Question 1...

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