Bronchodilators are medication used to dilate the lungs' airways. How would these medications affect the FEV 1.0 and MVV measurements in a person with asthma?
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Bronchodilators are medication used to dilate the lungs' airways. How would these medications affect the FEV 1.0 and MVV measurements in a person with asthma?
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- The equation describing the linear relationship between hemoglobin concentration and Absorbance at 520 nm is y=0.0523x + 0.011. You can see this graph in your lab manual in the blood lab. If the absorbance value is 0.4, calculate the % Hemoglobin in whole blood You Answered 31.6% 17.95% 0.03% Correct Answer 7.43%Write the reversible equation that shows the reaction of hemoglobin (Hb) with: A. Oxygen B. Carbon dioxideWhy do we use FEV1/FVC which is a measure of exhalation rate in pulmonary function testing instead of rate of inhalation?
- The equation describing the linear relationship between hemoglobin concentration and absorbance at 520 nm is y=0.0523x+0.011. If the absorbance value is 0.6, calculate the % hemoglobin in whole blood.How much iron is there in the hemoglobin of a 70-kg adult? Assume that the blood volume is 70 ml kg-¹ of body weight and that the hemoglobin content of blood is 0.16 g ml-¹.Use the respiratory rate values listed below to fill-in the empty boxes in the table below. Respiratory Rate values: 24.69 BPM and 10.04 BPM
- Which of the following is the concentration of hemoglobin-bound oxygen in the blood when the heme is fully saturated? 8500 uM 8630 uM 2200 uM 8800 uMDo the following conditions cause hemoglobin to release more O2 to the tissues or to absorb more O2?(a) Raising the temperature(b) Increased production of CO2(c) Increasing the H+ concentrationAfter spending a day or more at high altitude (with an oxygen partial pressure of 75 torr), the concentration of 2,3- bisphosphoglycerate (2,3-BPG) in red blood cells increases. What effect would an increased concentration of 2,3-BPG have on the oxygen-binding curve for hemoglobin? Why would this adaptation be beneficial for functioning well at high altitude?
- Part I: Use the information below to answer the following questions: Subject A: 80 kg VO2max = 54 ml/kg/min RER (respiratory exchange ratio (VCO2/VO2) ) @ 70% VO2max = 0.93 Subject B: 70 kg VO2max = 38 ml/kg/min RER @ 70% VO2max = 0.94 a) Who is burning more total kcals at 70% VO2max? b) Who is burning more CHO kcals at 70% VO2max? c) Who is burning more absolute CHO kcals at VO2max? Part II: Using the information from question #2, calculate the grams of carbohydrates and the grams of lipids that each subject (A and B) is utilizing per minute at 70% VO2max. 3. You are running on the treadmill at the Rec Center and you overhear someone telling their friend that "you burn more absolute fat (kcal/hr) running at 5mph than you do at 7mph".In a spirometry lung functions test, define and explain how tidal volume (TV), functional residual capacity (FRC), and FEV1 compare in normal lung and the lung of an emphysema patient.With the Bohr effect, more oxygen is released because a(n)____. a) increase in pH(alkalosis) strengthens the hemoglobin-oxygen bond b) increase in pH(alkalosis) weakens the hemoglobin-oxygen bond c) decrease in pH (acidosis) weakens the hemoglobin-oxygen bond d) decrease in pH (acidosis) strengthens the hemoglobin-oxygen bond
