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- Carbon monoxide binds the heme of hemoglobin in the same position as O2; however, it binnds 200 times better than 02 If we use a value of 40 torr for hemoglobin's Pso for 0z. what is its P5o for CO? 0.05 torr 0.20 torr 5 torr 200 torr O 8,000 torrWhat is the density of whole blood at STP? [A] 3.57 × 103 kg m-3 [B] 1.06 × 103 kg m-3 [C] 5.55 × 103 kg m-3 [D] 2How 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.
- 87. A 24-year-old woman who is an athlete has the following arterial blood gas values at rest: pH 7.40 40 mm Hg Рc02 P0₂ 95 mm Hg She voluntarily hyperventilates before a 100-m race. Which of the following sets of arterial blood values is most likely to occur immediately following hyperventilation? pH Pco₂ (mm Hg) Po₂ (mm Hg) 35 90 38 38 40 30 O A) 7.36 OB) 7.38 O C) 7.38 O D) 7.40 O E) 7.50 98 105 95 1059-1. Fish using air bladders to control their buoyancy are less stable than those using porous bones. Explain this phenomenon using the gas equation (Eq. 9.2). (Hint: What happens to the air bladder as the fish sinks to a greater depth?) Eq 9.2PV= NKTA 55-kg woman has 7.5 millimoles of hemoglobin (molar mass = 64,456 g/mol) in her blood. How many hemoglobin molecules is this? What is this quantity in grams?
- p02 Y O2 (mmHg) 0.5 0.161 1 0.277 0.434 3 0.535 4. 0.605 0.697 0.754 12 0.821 20 0.885 Using the data provided in the table, the estimated p50 for myoglobin is mmHg and the fraction saturation of myoglobin at 30mmHg is 6Calculate the hemoglobin concentration of an unknown sample given the following info: concentration of known = 12.5 g/dl; absorbance of unknown = 0.48; absorbance of known = 0.65 a. 16.9 g/dl b. 9.2 g/dl c. 8.7 g/dl d. 11.3 g/dl e. 10.4 g/dlThe 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.
- The human lungs can function satisfactorily up to a limit where the pressure difference between the outside and inside of the lungs is 1/19 of an atmosphere. If a diver uses a snorkel for breathing, how far below the water can she swim? Assume the diver is in saltwater its density is 1047 kg/m. Atmospheric pressure is Pata-1.01x10 Pa and g=9.8 m/s?.1. The diagram on the right compares the O₂ binding prop- erties of normal adult hemoglobin (HbA) to those of one dubbed Hb Great-Lakes characterized by the mutation Leu(368) His. In the dia- gram Y = fraction of heme groups with bound O₂, and pO2, the par- tial pressure of O2 above the solution, is measured in units of torr or mmHg. Draw the corresponding Hill plot, being careful to reproduce graph- ically the dissociation equilibrium constant for O₂ binding (Ko2) for y each hemoglobin and to show the difference in the extent of allo- stery or cooperativity of subunit interaction in each type of hemo- globin. You need draw only the central, linear portion of the Hill plot. State what is the likely magnitude of the Hill constant (nH) for HbA from your reading and state what is the likely range of the magni- tude of the Hill coefficient for Hb Great Lakes. 1.0 0.8 0.6 0.4 0.2 Hb Great Lakes 0 10 20 Hb A 1 1 30 40 pO₂ (torr) I 50 60The arterial O₂ concentration is given by the following expression [0₂] = 0.003 P0₂ + (PO₂)².8 +(26) 2.8 1. ЗЧНЬ (Рог ) 2-8 Where Poz is the alveolar O₂ pressure and Hb is the hemoglobin concentration in g/dL, respectively A subject who is at 0-95 ATM (211-0₂) has an arterial O₂ concentration of 19ml/dL and and arterial CO₂ pressure of 38mm Hg. Also, VO₂ = 340mL/min.; VCD₂ = 289 mL/min. Therefore, your hemoglobine level is: A. 14.39 Idl 8. 14.8 g/dl C. 15.2 g/dl D. 15.7g/dL E. 16 g/dL