Acid-Base Balance DISCUSSION Matching Select the letter that best describes the acid-base imbalance for each condition listed. 1. Diarrhea a. respiratory acidosis 2. Oral intake of excessive NaHCO3 b. metabolic acidosis 3. Emphysema c. respiratory alkalosis 4. Early stage of overdose of aspirin d. metabolic alkalosis 5. Vomiting 6. Diabetes mellitus 7. Pneumonia 8. Anxiety Multiple Choice 9. The most accurate method of determining pH is to: a. use litmus paper c. use a pH meter b. use pH or nitrazine paper d. taste with your tongue 10. A solution that has the same number of hydrogen ions and hydroxyl ions is: a. neutral c. basic b. acidic d. salty 11. If one solution is 1000 times as acidic as another, how many pH units would there be between the two solutions? a. one c. three b. two d. four 12. A person with an arterial blood pH of 7.62 would be in a state of: a. acidosis c. neutrality b. alkalosis d. death 13. The two organs primarily responsible for maintaining acid-base balance in the body are: a. liver and spleen c. kidney and heart b. liver and lung d. lung and kidney 14. Which of these would be formed if a strong acid were added to a weak base in a buffered solution? a. weak acid c. strong base b. water d. weak base and strong acid
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29. Acid:Base balance- Explain how acidosis and alkalosis can alter the body functions. 30. Explain the role of the a) chemical buffers of the ICF & ECF, (b) the lungs and (c) the kidneys in maintaining pH of the body. 31. Describe how the kidneys compensate for acidosis and alkalosis 32. Be able to distinguish between and describe causes of the following acid-base imbalances: a) Respiratory Acidosis b) Metabolic Acidosis c) Respiratory Alkalosis d) Metabolic Alkalosis
Madhur L.
9. The most accurate method of determining pH is to: a. use litmus paper c. use a pH meter b. use pH or nitrazine paper d. taste with your tongue 10. A solution that has the same number of hydrogen ions and hydroxyl ions is: a. neutral c. basic b. acidic d. salty 11. If one solution is 1000 times as acidic as another, how many pH units would there be between the two solutions? a. one c. three b. two d. four 12. A person with an arterial blood pH of 7.62 would be in a state of: a. acidosis c. neutrality b. alkalosis d. death 13. The two organs primarily responsible for maintaining acid-base balance in the body are: a. liver and spleen c. kidney and heart b. liver and lung d. lung and kidney 14. Which of these would be formed if a strong acid were added to a weak base in a buffered solution? a. weak acid c. strong base b. water d. weak base and strong acid 15. Which of these acids is the strongest? a. 0.01M HCl c. 1M NaOH b. 1M HCl d. 0.05M HCl 16. What effect does breathing in and out of a paper bag have on a person's arterial pCO2 level? a. the level decreases c. it has no effect b. the level increases 17. The strength of an acid refers to: a. the number of hydrogen ions in each molecule c. the degree to which its molecules ionize in water b. the type of inorganic salt it forms d. the concentration of acid molecules
Amy P.
Refer to the following: The $\mathrm{pH}$ of a solution is a measure of the molar concentration of hydrogen ions, $H^{+}$ in moles per liter, in the solution, which means that it is a measure of the acidity or basicity of the solution. The letters pH stand for "power of hydrogen," and the numerical value is defined as $$ \mathrm{pH}=-\log _{10}\left[H^{+}\right] $$ Very acidic corresponds to $\mathrm{pH}$ values near $1,$ neutral corresponds to a pH near 7 (pure water), and very basic corresponds to values near $14 .$ In the next six exercises, you will be asked to calculate the $\mathrm{pH}$ value of wine, Pepto-Bismol, normal rainwater, bleach, and two fruits. List these six liquids and use your intuition to classify them as neutral, acidic, very acidic, basic, or very basic before you calculate their actual $\mathrm{pH}$ values. Normal rainwater is slightly acidic and has an approximate hydrogen ion concentration of $10^{-5.6} .$ Calculate its $\mathrm{pH}$ value. Acid rain and tomato juice have similar approximate hydrogen ion concentrations of $10^{-4} .$ Calculate the $\mathrm{pH}$ value of acid rain and tomato juice.
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