Congestive heart failure occurs when the left ventricle fails to pump blood adeq

Question

Congestive heart failure occurs when the left ventricle fails to pump blood adequately through the systemic circuit, causing backup of blood into the pulmonary circuit. The resultant inncreased pulmonary blood pressure causes pulmonary edema.

1). by what type pf transmembrane trafficking do oxygen andd carbon dioxide cross membranes?

2). how does fluid in the lungs affect the amount of oxygen in the blood? Your answer should reflect the way edema influences the ability of oxygen to cross membranes.

3). How does fluid in the lungs affect the amount of carbon dioxide in the blood? Your should reflect the way edema influences the ability of carbon dioxide to cross membranes.

4). What affect would congestive heart failure have on levels of erythropoietin in the blood? Your answer hsould reflect the stimulus for EPO secretionn.

5). How would congestive heart failure affect the pH of the blood? Your answer should demonstrate that you know the relationship between plasma CO2 levels and pH.

Explanation / Answer

Answers -

1. By transcellular endocytosis oxygen & carbondioxide cross membrane.

2. Fluid in lung that is called as pleural effusion.

Pleural effusion will decrease the amount of oxygen in blood & oxygen saturation level. Due to difficulty in breathing and by decreasing the volume of lungs

3. Pleural effusion will lead to traption on CO2 in air sac of lungs and it will lead to fatigue, anxiety & dizziness.

4. In CHF because of insufficient pumping of blood lead to renal insufficiency & anemia which further leads to decrease bone marrow erythrocyte production, decreasing level of hemoglobin & decrease level of erythropoietin.

5. In CHF either respiratory or metabolic, acidosis or alkalosis can occur individually or may be in occur in combination dur to renal failure and hydrogen ion absorption and increase level of plasma CO2. And decrease levels of oxygen saturation.

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