SEELEY'S ANATOMY+PHYSIOLOGY
12th Edition
ISBN: 9781260172195
Author: VanPutte
Publisher: RENT MCG
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Textbook Question
Chapter 2, Problem 7CT
Carbon dioxide that accumulates in the blood can become toxic, in part because it alters the blood pH. Some of the carbon dioxide molecules react with water to form carbonic acid
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Students have asked these similar questions
A patient is hyperventilating. The "blowing off" of excessive carbon
dioxide causes a decrease in blood H+ concentration. How can the
carbonic acid buffering system function to correct this imbalance?
CO2 + H2O → H2CO3 → H* + HCO3
O H2CO3 dissociates to form more H+ and raise pH.
O HCO3- binds with H+ to form H2CO3 and raise pH.
O H2CO3 dissociates to form more H+ and lower pH.
O HCO3- binds with H+ to form H2CO3 and lower pH.
O none of the above
When travelling high altitude, one of the problem is alkalosis of the blood.
Remember the equation for acid balance: CO2 + H2O ⇌ H2CO3 ⇌ HCO3− + H+ If there is a low amount of CO2 outside, then greater CO2 than normal will diffuse out of the lungs. This will cause the blood to become more basic.
To counteract the problem, a drug may be taken to both lower the blood pressure and help correct the pH. To do this, it blocks a symporter of HCO3- and Na+ in the proximal tubule of the kidney.
Q: How would blocking transport of HCO3- help to lower the pH of the blood?
A depressed person attempts to commit suicide by taking a whole bottle of sleeping pills. Please explain in-depth why their respiratory muscles are breaking down and what happens with pH.
Chapter 2 Solutions
SEELEY'S ANATOMY+PHYSIOLOGY
Ch. 2.1 - Define matter. How are the mass and the weight of...Ch. 2.1 - Differentiate between element and atom. What four...Ch. 2.1 - Prob. 3AYPCh. 2.1 - Which subatomic particle determines the atomic...Ch. 2.1 - What is an isotope? How are isotopes denoted?Ch. 2.1 - What is avogardro’s number? How is it related to a...Ch. 2.1 - Describe how an ionic bond is formed. What are...Ch. 2.1 - What occurs in the formation of a covalent bond?...Ch. 2.1 - Distinguish between a molecule and a compund. Give...Ch. 2.1 - What are intermolecular forces, and how do they...
Ch. 2.1 - What is meant by the statement “table sugar is...Ch. 2.1 - Describe what occurs during the dissociation of...Ch. 2.1 - Explain the difference between electrolytes and...Ch. 2.2 - Using the terms reactant and product, describe...Ch. 2.2 - Contrast synthesis and decomposition reactions,...Ch. 2.2 - Describe the role of water in dehydration and...Ch. 2.2 - What is a reversible reaction? How does this type...Ch. 2.2 - What are oxidation-reduction reactions?Ch. 2.2 - Define energy. How are potential and kinetic...Ch. 2.2 - Summarize the characteristics of mechanical,...Ch. 2.2 - Use ATP and ADP to Illustrate the release or input...Ch. 2.2 - Define activation energy, catalyst, and enzymes;...Ch. 2.2 - What effect does increasing temperature or...Ch. 2.3 - What is the difference between inorganic and...Ch. 2.3 - What two properites of water are the result of...Ch. 2.3 - List and briefly describe the four functions that...Ch. 2.3 - Prob. 27AYPCh. 2.3 - Prob. 28AYPCh. 2.3 - Prob. 29AYPCh. 2.3 - Prob. 30AYPCh. 2.3 - Prob. 31AYPCh. 2.3 - Prob. 32AYPCh. 2.3 - Prob. 33AYPCh. 2.3 - Prob. 34AYPCh. 2.3 - What are the functions of oxygen and carbon...Ch. 2.4 - Prob. 36AYPCh. 2.4 - Prob. 37AYPCh. 2.4 - Prob. 38AYPCh. 2.4 - Prob. 39AYPCh. 2.4 - Which carbohydrates are used for energy? What is...Ch. 2.4 - Prob. 41AYPCh. 2.4 - Prob. 42AYPCh. 2.4 - Prob. 43AYPCh. 2.4 - Prob. 44AYPCh. 2.4 - Prob. 45AYPCh. 2.4 - Prob. 46AYPCh. 2.4 - What are the building blocks of proteins? What...Ch. 2.4 - Prob. 48AYPCh. 2.4 - Prob. 49AYPCh. 2.4 - Compare the lock-and-key and the induced fit...Ch. 2.4 - Prob. 51AYPCh. 2.4 - What are the basic building blocks of nucleic...Ch. 2.4 - DNA is like a twisted ladder. What forms the sides...Ch. 2.4 - Prob. 54AYPCh. 2.4 - Prob. 55AYPCh. 2.4 - Prob. 56AYPCh. 2.4 - Prob. 57AYPCh. 2 - Prob. 1RACCh. 2 - Prob. 2RACCh. 2 - Prob. 3RACCh. 2 - Prob. 4RACCh. 2 - Table salt (NaCl) is an atom organic. a molecule....Ch. 2 - Prob. 6RACCh. 2 - Prob. 7RACCh. 2 - Prob. 8RACCh. 2 - Prob. 9RACCh. 2 - Prob. 10RACCh. 2 - Prob. 11RACCh. 2 - Which of these statements concerning enzymes is...Ch. 2 - Prob. 13RACCh. 2 - Prob. 14RACCh. 2 - Prob. 15RACCh. 2 - Prob. 16RACCh. 2 - A buffer slows down chemical reactions. speeds up...Ch. 2 - Prob. 18RACCh. 2 - Prob. 19RACCh. 2 - Prob. 20RACCh. 2 - Prob. 21RACCh. 2 - Prob. 22RACCh. 2 - Prob. 23RACCh. 2 - DNA molecules conatin genes. contain a single...Ch. 2 - Prob. 25RACCh. 2 - Prob. 1CTCh. 2 - Prob. 2CTCh. 2 - A mixture of chemicals is warmed slightly. As a...Ch. 2 - Two solutions, when mixed together at room...Ch. 2 - Prob. 5CTCh. 2 - Prob. 6CTCh. 2 - Carbon dioxide that accumulates in the blood can...Ch. 2 - An enzyme (E) catalyzes the following reaction:...Ch. 2 - Using the materials commonly found in a kitchen,...
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- In the lungs, the main factor in boosting the tendency of hemoglobin to bind with and hold oxygen is ___. a. temperature c. acidity (pH) b. the amount of O2 relative to the amount of CO2 in plasma c. acidity(pH) d. all are equally importantarrow_forwardThe carbonic acid equilibrium is shown below. Exhalation of CO2 by the lungs causes this equilibrium to shift to the ______, which causes the pH of the blood to _______. H+ + HCO3- <=> H2CO3 <=> H2O + CO2 a) left; increase b) left; decrease c) right; decrease d) right; increasearrow_forwardWhen the blood passes through the lungs, CO₂ is expelled and the hemoglobin picks up oxygen. Place the following steps in the correct order (1 = first thing to happen), assuming that it is the decreased [CO₂] during exhalation that initiates the transition. Carbonic anhydrase works to restore the CO₂/bicarbonate equilibrium, reducing the [H+] The T-state is less stabilized. Oxygen binds to the hemoglobin. Protons dissociate from the hemoglobin.arrow_forward
- too much carbon dioxide in the blood causes it to become acidic. What is directly responsible for the drop in PH? Accumulation of CO2, accumulation of H+, accumulation of HCO3-.arrow_forwardCarbon dioxide that accumulates in the blood can become toxic, inpart because it alters the blood pH. Some of the carbon dioxide molecules react with water to form carbonic acid (CO2 + H2O H2CO3).Ned can swim across the swimming pool under water. Before divinginto the water, he breathes rapidly for a few seconds, and while he isunder the water he does not breathe at all. Explain how the pH of hisblood changes while breathing rapidly and while swimming under water.Also explain why the pH of his blood does not change dramaticallyarrow_forwardA given amount of blood have 19% O2 measured at 0 °C and 1.0 atm. Hemoglobin in the blood can carry up to four molecules of O2. Calculate how many molecules of hemoglobin is present in 1.0 L of blood.arrow_forward
- If there were little to no Chloride in the blood, what would happen to CO2 transport and why? Select one: O a. CO2 transport would not change because chloride is not part of the carbonic anhydrase reaction O b. CO2 transport would decline because H+ would not be able to bind to hemoglobin O c. CO2 transport would decline because HCO3 wouldn't be able to exit the red blood cell thus inhibiting the carbonic anhydrase reaction O d. CO2 transport would increase because HCO3 would be able to exit the red blood cell more freelyarrow_forwardA patient with COPD for 30 years is admitted to the hospital He has severe shortness of breath His ABGs are as follows pH: 7.25 pCo2: High HCO3: High Identify the disorder O Metabolic acidosis O Metabolic alkalosis O Respiratory alkalosis O Respiratory acidosisarrow_forwardWhen dissolved in water a blank donates H+ and blank accepts H+arrow_forward
- Increase in partial pressure of carbon dioxide and decrease in pH below 7.35 metabolic acidosis metabolic alkalosis respiratory acidosis respiratory alkalosisarrow_forwardCarbonic anhydrase converts: 00 CO2 + H20 to Bicarbonate and H+ Bicarbonate and H+ to CO2 + H20 carbon dioxide to H20 bicarbonate to hydrogen ion Both A and Barrow_forwardThe pH is High; Low O Low; High in the lungs and in the muscles. High in the lungs but there is no oxygen in the muscles Equal in both the lungs and the musclesarrow_forward
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