The affinity of hemoglobin for oxygen is decreased under conditions of
![Check Mark](/static/check-mark.png)
Want to see the full answer?
Check out a sample textbook solution![Blurred answer](/static/blurred-answer.jpg)
Chapter 16 Solutions
CONNECT W/APR & PHILS FOR FOX HUMAN PHYS
- In order for oxygen to be transported an arterial blood it can a. All answers are correct b. attached to hemoglobin and float freely in the plasma c.attached to bicarbonate d. attached to hemoglobin e.float freely in the plasmaarrow_forwardWhich of the following causes an increase in hemoglobin’s 02 affinity? A. An increase in the partial pressure of oxygen. B. A decrease in ph C. An increase in the concentration of 2,3 -BPG D. An increase in the partial pressure of carbon dioxidearrow_forwardWhich of the following is true about the proximal histidine of hemoglobin? A. It forms a hydrogen bond with bound oxygen. B. It is bonded to the Fe2+ atom coordinated by heme C. It binds oxygen D. It is not consumed in myoglobinarrow_forward
- A low partial pressure of oxygen promotes hemoglobin binding to carbon dioxide. This is an example of the________.a. Haldane effectb. Bohr effectc. Dalton’s lawd. Henry’s lawarrow_forwardThe amount of hemoglobin that contains oxygen is referred to as which of the following? Hypoxia b. Hypoxemiaarrow_forwardThe following factors affect the oxygen hemoglobin curve (unloading of O2) EXCEPT: a. Temperature. b. PH. c. Diphosphoglycerate. d. Tidal volume.arrow_forward
- The oxyhemoglobin dissociation (saturation) curve shifts to the right as the blood becomes more acidic. Under these conditions answer the following. At a P O2 = 40 mmHg the percent saturation of hemoglobin __________ and the content of oxygen bound to hemoglobin ____________. A. Decreases; decreases B. Increases; increases C. Increases; decreases D. Decreases; increases E. Does not change; does not changearrow_forwardWhich of the following situations occurs if a person's blood becomes more alkaline? A. Hemoglobin molecules retain less oxygen per heme group under alkaline conditions than they do at neutral pH or under acidic conditions. B. Hemoglobin molecules give up oxygen more readily under alkaline conditions than they do under neutral pH or under acidic conditions. C. Hemoglobin molecules change shape and begin to lose oxygen molecules. D. Hemoglobin molecules retain oxygen more readily under alkaline conditions than they do at neutral pH or under acidic conditions. E. There is no change in hemoglobin's oxygen-binding affinity under alkaline conditions when compared to blood at neutral pH or under acidic conditions.arrow_forwardThe pigment that transports oxygen in an erythrocyte isa. fi brin.b. hemoglobin.c. deoxyhemoglobin.d. plasma.arrow_forward
- If the blood lacked red blood cells but the lungs were functioning normally, A. The arterial PO2 would be normal. B. The oxygen content of arterial blood would be normal. C. Both A and B would apply. D. Neither A nor B would apply Which of the following would be most affected by a decrease in the affinity of hemoglobin for oxygen? A. Arterial PO2 B. Arterial percent oxyhemoglobin saturation C. Venous oxyhemoglobin saturation D. Arterial PCO2arrow_forwardOxygen is mostly transported in the blooda. dissolved in plasma.b. bound to blood proteins.c. within HCO3−.d. bound to the heme portion of hemoglobin.arrow_forwardWhich of the following describe(s) a characteristic or function of hemoglobin?a. Hemoglobin consists of four chains of amino acids.b. A hemoglobin molecule contains four iron ions to carry oxygen.c. In addition to transporting oxygen, hemoglobin molecules carry carbon dioxide and hydrogen ions.d. Hemoglobin is a protein found in all formed elements.e. There are four hemoglobin molecules in each red blood cell.arrow_forward
- Basic Clinical Lab Competencies for Respiratory C...NursingISBN:9781285244662Author:WhitePublisher:CengageComprehensive Medical Assisting: Administrative a...NursingISBN:9781305964792Author:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy CorreaPublisher:Cengage Learning
- Human Biology (MindTap Course List)BiologyISBN:9781305112100Author:Cecie Starr, Beverly McMillanPublisher:Cengage Learning
![Text book image](https://www.bartleby.com/isbn_cover_images/9781305967359/9781305967359_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9781305964792/9781305964792_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9781305112100/9781305112100_smallCoverImage.gif)