Chemical-Basis-of-Life-Quiz

Chemical-Basis-of-Life-Quiz - Student Academic Learning...

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Page 1 of 4 www.durhamcollege.ca/sals Student Services Building (SSB), Room 204 905.721.2000 ext. 2491 This document last updated: 7/29/2011 Chemical Basis of Life Quiz 1. Most of your blood cholesterol comes from A) your liver B) your pancreas C) food consumption D) your kidneys 2. pH is a direct measurement of A) hydroxide ions B) hydrogen ions C) the amount of buffer present D) Both A) and B) 3. When blood buffers cannot maintain the pH, the kidney is the body’s second line of defense. A) True B) False 4. The most abundant cation in the body is A) Cl B) Ca C) K D) Na 5. The four elements that make up about 96% of body matter are A) calcium, potassium, sodium, oxygen. B) carbon, hydrogen, oxygen and nitrogen. C) hydrogen, helium, carbon and calcium. D) hydrogen, oxygen, calcium and nitrogen. 6. If a solution has a pH of 6.0, then A) the number of hydrogen ions equals the number of hydroxyl ions. B) the number of hydrogen ions is less than the number of hydroxyl ions. C) the number of hydrogen ions is greater than the number of hydroxyl ions. D)
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This note was uploaded on 01/03/2012 for the course BIO 201 taught by Professor Adams during the Spring '11 term at Durham College.

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Chemical-Basis-of-Life-Quiz - Student Academic Learning...

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