If congestive heart failure has progressed to the point of venos congestion in t

Question

If congestive heart failure has progressed to the point of venos congestion in the systemic circuit, the kidnets will receive less blood flow;this would result in:

a. increased aldosterone secretion

b. increased EPO secretion

c. decreased urine formation

d. all of the above

How does blood pressure aid in the formation of urine?

a. it regulates reabsorption of potassium

b. it inhibits secretion of nitrogenous wastes

c. the hydrostatic pressure in afferent capillaries favors the formation of glomerular filtrate

d. the pressure of the blood favors reabsorption by contributing to osmotic pressure

75. The respiratory center in the brain is most sensuve to changes in blood (or CSF) levels of a. Oxygen b. Bicarbonate c. Carbon dioxide d. Hydroxide 76·The smallest proportion (-7%) of carbo n dioxide diffused from tissue cells travels in the blood a. Dissolved in the plasma b. Complexed with hemoglobin c. As bicarbonate d. As carbonic acid 77. The kidneys will respond to respiratory acidosis by increasing secretion of Hts and reabsorbing more HCO- a. True b. False 78. Breath holding makes the blood more acidic, because carbon dioxide will combine with water to form carbonic acid a. True b. False 79. Blood pressure is highest in the aorta and lowest in a. Tissue capillaries b The renal vein c The vena cavae d. Pulmonary capillaries 80. A diastolic blood pressure of 80 mm of Hg a Is within normal limits b Reflects the contractility of the myocardium Is abnormally low Reflects increased afterload due to hypertension c. d. 81. Blood pressure is directly related to blood flow and indirectly related to peripheral resistance: peripheral resistance is influenced by a. Elasticity of blood vessels b. Length of blood vessels c Viscosity of blood d. Blood vessel diameter e. All of the above 82. The principle stimulus for the autoregulation of blood pressure is the level of a. Oxygen b. Carbon dioxide c. d. carbonic acid

Explanation / Answer

Less blod flow result in decreased formation of urine and can leads to acute pereneal kidney failure

(c)the hydrostatic pressure in afferent capillaries favours the formation of glomerular filtrate

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