Q) Following an intensive course of chemotherapy, a 48-year-old woman had a thorough laboratory evaluation, selected results of which are: Hemoglobin 8 g/dL, hematocrit 32% Arterial blood gases: pH 7.38, Pa.CO₂ 42 mm Hg, bicarbonate 25 mEq/L, Pa.O2 62 mm Hg, O2 saturation 92%. Given that the O2 binding capacity of hemoglobin is 1.34 ml/g, calculate the O2 capacity of her hemoglobin. A) 9.86 ml/dL B) 9.86 mm Hg C) 9.86 mEq/L D) 10.72 ml/dL E) 10.72 mEq/L Ans: D 6.11. Following an intensive course of chemotherapy, a 48-year-old woman had a thorough laboratory evaluation, selected results of which are: Hemoglobin 8 g/dL, hematocrit 32% Arterial blood gases: pH 7.38, Pa.CO₂ 42 mm Hg, bicarbonate 25 mEq/L, Pa.O2 64 mm Hg, O₂ saturation 92%. Given that the O2 binding capacity of hemoglobin is 1.34 ml/g, calculate the O2 content of her arterial hemoglobin. A) 9.86 ml/dL B) 9.86 mm Hg C) 9.86 mEq/L D) 10.72 ml/dL E) 10.72 mEq/L Ans: A

Which of the following scenariosare correct?Select all that apply A. High levels of PCO2will cause loading of O2ontohemoglobin. B. An increase in pH will causeO2to unload from hemoglobin. C. High PO2levels will increase saturation of Hb with O2. D. An increase in bodytemperature will cause O2to unload from hemoglobin.

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Fetal hemoglobin binds 2,3 BPG with greater affinity than adult hemoglobin.TrueFalse

1. Identify the two most common types of genetic disorders called hemophilia. Explain how each of the two types of hemophilia results in impaired hemostasis.  2. Explain how the endocrine system contributes to the hemostasis of blood oxygen levels.

N. Looking ahead (while there is still time), here is the "Oxyhemoglobin dissociation curve." It relates the % saturation of hemoglobin directly to the Poz of its surroundings. Not coincidentally, a third axis relates ml oxygen/100 ml blood directly to the % saturation. 100 20 Percent oxyhemoglobin saturation 80 60 40 20 0 0 20 ! Veins (at rest) ✓ 60 PO₂ (mmHg) 40 Arteries 80 100 155 10 5 O Oxygen content Amount of O₂ unloaded to tissues (pooյզ լա 00l/70 լա) 1) If 15 mL oxygen/100 ml gives a 75% hemoglobin saturation, then approximately how many ml of oxygen/100 ml blood corresponds to a 70% hemoglobin saturation? 2) Approximately, how many ml of oxygen/100 ml is needed to give 50% hemoglobin saturation? 3) Approximately, how many ml of oxygen/100 ml is needed to give 30% hemoglobin saturation?

d) Determine which statements apply to hemoglobin, myoglobin, or neither (you can write in the corresponding numbers for each statement, as appropriate)  Hemoglobin Myoglobin Neither 1. Oxygen binds irreversibly to this molecule.2. This molecule has greater affinity for oxygen.3. The oxygen dissociation curve is sigmoidal in shape.4. Carbon monoxide binds at an allosteric site, lowering oxygen binding affinity.5. The binding pattern for this molecule is considered cooperative.6. This molecule delivers oxygen more efficiently to tissues.7. As oxygen binds to this molecule, the shape of the molecule changes, enhancing further oxygen binding.8. The oxygen dissociation curve is hyperbolic in shape.

Please help me with these questions. more than one solution may be correct for each one.1) Which statements regarding Erythrocruorin are correct? A)  It usually contains 144 subunits but can have as many as 200 B)  A low pH will signal hemoglobin to unload its oxygen C)  A high pH will cause it to have a higher oxygen binding affinity D)  It was a low oxygen binding affinity E)  It is found in the blood cells of annelids 2) if you find yourself dehydrated and without water, you should Question 11 options: A)  think about drinking someone else's pee B)  NEVER, EVER drink your urine C)  maybe contemplate sipping on your urine D)  consider drinking your pee E)  not drink your pee 3) Which of the following forces act on the filtrate when it is in the Bowman's space? A)  colloid osmotic pressure B)  pressure to perform C)  glomerular capillary pressure D)  podocyte pressure E)  capsular pressure

1. Why is cyanmethemoglobin method preferred than other methods? 2. In what circumstances is the copper sulfate method used? 3. Discuss the synthesis and breakdown of hemoglobin.

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