Elite athletes may develop a condition called exercise induced hypoxemia in which their arterial Po2 drops below normal and their % hemoglobin-oxygen saturation falls. What is a possible explanation for this?

Q: Explain the three factors that affect the affinity of hemoglobin to oxygen

A: The affinity of hemoglobin for oxygen is depicted in an oxygen-hemoglobin dissociation curve. The…

Q: A. Which hemoglobin has a higher affinity for oxygen under physiological conditions, HbA or HbF?…

A: Hemoglobin: It is the respiratory pigment present in the red blood cells and gives the red color to…

Q: Debbie just got accepted to St. Elizabeth's nursing school. She got so excited, she began to…

A: Hyperventilation is an abnormal condition characterized by heavy breathing. During hyperventilation…

Q: Patients with severe uncontrolled type 1 diabetes mellitus produce large quantities of certain…

A: Diabetes mellitus is a metabolic endocrine disorder that leads to an increase in the levels of…

Q: Which of the following will cause the largest increase in systemic arterial oxygen saturation in the…

A: The oxyhemoglobin dissociation curve is also known as the oxygen–hemoglobin dissociation curve. This…

Q: Explain how the arterial PO2 and the oxygen content of whole blood are affected by (a)…

A: There are around 300 million alveoli in two lungs. Alveoli are also known as miniature lungs where…

Q: The toxins in cigarette smoke damage the cells of the tissue capillaries and also cause arterioles…

A: The oxygen dissolved in the red blood cells reached the tissues of the body. Oxygen diffuses into…

Q: Graph the relationship between hemoglobin–O2 saturation and the partial pressure of O2 in the blood.…

A: Hemoglobin is an essential pigment present in RBCs that help in the transportation of oxygen.

Q: Suppose you visit the Dalai Lama in Dharamsala, India (elevation 1460 m), and you begin to ponder…

A: (a)Fractional oxygen saturation of hemoglobin

Q: You notice a significant increase in your rate of breathing following a hard set of bench press.…

A: Pulmonary ventilation Pulmonary means relating to the lungs or lung tissue. Pulmonary ventilation is…

Q: Describe the effects of increased DPG on the oxygen–hemoglobin dissociation curve. What is the…

A: The oxyhemoglobin dissociation curve is also known as the oxygen–hemoglobin dissociation curve. This…

Q: Consider this figure, which shows oxygen binding to hemoglobin under various conditions 1.0 Y A 0.5…

A: Hemoglobin is the heme-containing molecule present in the red blood cell of humans. It has a central…

Q: Referring to the loading and unloading of oxygen from hemoglobin (as illustrated in the figure),…

A: Hemoglobin is an oxygen-carrying protein present in the red blood cells in the blood. It is…

Q: Some medical conditions can cause an abnormally low concentration of H+ ions in the blood. Explain…

A: A condition of the body wherein the blood becomes excessive alkaline, is known as Metabolic…

Q: Which of the following does not influence hemoglobin saturation ? a) carbon dioxide b) blood…

A: Oxygen-hemoglobin dissociation curve is a graphical representation of the relationship between the…

Q: Why is oxygen efficiently transferred from hemoglobin in theblood to myoglobin in the muscles?

A: Oxygen move is impacted by the presence of cells in aging stocks. The impact relies upon the…

Q: Why do these aggregates not form when hemoglobin S is oxygenated?

A: Hemoglobin S is an abnormal type of hemoglobin which one can inherit from their parents. It can…

Q: During exercise, the oxy-hemoglobin curve shifts to the right, describe the causes of this and why…

A: Exercise can increase the total Hb and red blood cell mass, which increases oxygen carrying capacity…

Q: How does 2,3-BPG lower the oxygen affinity of hemoglobin so significantly?

A: 2,3-Bisphosphoglyceric acid (2,3-BPG) is a naturally occurring molecule that is formed as an…

Q: Henry climbed to the top of Mt. Apo. To celebrate, he drank a glass of whiskey. At higher altitude…

A: High altitudes are associated with decreased concentration of oxygen in the air . So the person is…

Q: in thalassemia, a type of anemia, the hemoglobin molecule is malformed. The malformation prevents…

A: Thalassemia is an inherited blood disorder that reduces the production of functional hemoglobin (the…

Q: Calculate the fractional saturation for hemoglobin when the partial pressure of oxygen is 80 mm Hg.…

A: Fractional saturation of oxygen is given by the below formula where, YO2 is the fractional…

Q: . With regard to how mountain climbers adapt to the low oxygen pressure of higher altitudes, explain…

A: The mountain climber needs more oxygen because of high altitude, level of oxygen decreases.

Q: Why is it dangerous for a swimmer to hyperventilate in order to hold the breath for a longer period…

A: Hyperventilation is a condition of fast breathing, which results in expelling out more carbon…

Q: When individuals are hyperventilating, they are told to breathe into a paper bag or into their…

A: The body of humans consists of a number of systems that work together to maintain the homeostasis of…

Q: Which of the folloqing statements about BPG and its effect on oxygen transport is NOT true?

A: BPG and its effect on oxygen transfer 2,3 - Bisphosphoricglyceric acid is present in red blood…

Q: The information provided suggests that: A. hemoglobin has more affinity to oxygen than to carbon…

A: Haemoglobin is a molecule which is use by our body to transport oxygen molecule to the various parts…

Q: increased A right shift of the oxy-hemoglobin curve signifies a affinity for oxygen. hold acidic A…

A: Hemoglobin has a 1.34 mL O2 per gramme oxygen-binding capability, which raises total blood oxygen…

Q: Scenario: In Charles’ blood, the partial pressure of CO in the blood (0.4 mm Hg) is far lower than…

A: When carbon monoxide binds to hemoglobin, it cannot be released as easily as oxygen. The slow…

Q: Describe the properties of haemoglobin that enable it to carry out its function of oxygen and carbon…

A: Introduction Hemoglobin:- It is a protein inside red blood cells that carries oxygen from the lungs…

Q: In

A: Partial pressure of oxygen:- Also known as Pao2, is a measurement of oxygen pressure in arterial…

Q: Why does hemoglobin have high affinity for oxygen in arterial blood and lower affinity in…

A: Hemoglobin is a protein present in red blood cells and is primarily responsible for the transport of…

Q: At high altitudes, the partial pressure of oxygen is lower. How might you expect this lower oxygen…

A: The role of oxygen in the human body is much more important in sustaining life. The fall in oxygen…

Q: Sometimes Don prefers to dive simply by holding his breath. Based on the following oxygen saturation…

A: An average person with no training on diving can hold his breath for about half a minute under…

Q: A trout exposed to acid mine drainage experiences an increase in mucus production along the gills.…

A: Adolf Fick developed Fick's laws of diffusion in 1855 to characterise diffusion. They can be used to…

Q: Which of the following is true about the proximal histidine of hemoglobin?

A: C) it binds oxygen.

Q: Discuss the factors that affect oxygen binding in hemoglobin.

A: Hemoglobin is an oilgomeric, allosteric conjugated protein. It is composed of four polypeptide…

Q: The oxyhemoglobin dissociation (saturation) curve shifts to the right as the blood becomes more…

A: PaO2 stands for partial pressure of oxygen, which is a measurement of oxygen pressure in arterial…

Q: An increase in the pH of blood will: Shift the oxyhemoglobin dissociation curve to the righ Decrease…

A: The oxygen dissociation curve of adult hemoglobin is sigmoidal or S-shaped due to the cooperative…

Q: Name the gas that inhibits the transportation of oxygen by haemoglobin.

A: Hemoglobin is a tetrameric structure which has four subunits. each of them bind with oxygen by…

Q: Will a decrease in carbon dioxide (CO2) shift the binding curve of hemoglobin? Will it shift to the…

A: Hemoglobin (Hb) is a protein present in the red blood cells which is a carrier of oxygen to the body…

Q: Suppose you visit the Dalai Lama in Dharamsala, India (elevation 1460 m),and you begin to ponder the…

A: The proper saturation of oxygen in the blood is essential for organs since oxygen is utilized by the…

Q: How can higher altitudes affect the respiratory rate? What happens if a person drinks alcohol after…

A: Introduction  The human body can acclimate to high altitudes both quickly and gradually. The human…

Q: Why is impairment of hemoglobin dangerous?

A: A blood cell, also known as a hematopoietic cell, hemocyte, or hematocyte, is a cell that is formed…

Q: During very heavy exercise, the steady-state third stage of breathing pattern may not be seen. Why?

A: Workout improves physical movement, and muscle cells breathe more than when the person is at rest.…

Intelligence

Intelligence refers to the intellectual functioning that compares a person's intelligence quotient (IQ) with other people of the same age. In other words, it is the ability to understand circumstances or situations and arrive at appropriate solutions. Both animals and plants exhibit intelligence.