A) a runner has completed a very long marathon
B) a person consumes excessive amounts of antacids
C) the kidneys secrete hydrogen ions
D) a person's breathing is shallow due to obstruction
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A) excess water in interstitial spaces due to a low level of plasma proteins
B) hypotonic hydration,in which sodium content is normal but water content is high
C) excessive hydration due to excess ADH secretion
D) edema or tissue swelling,which is usually due to an increased capillary hydrostatic pressure
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The release of ADH causes the ...View Answer
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Respirator...View Answer
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Chemical buffers act within a fraction o...View Answer
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A) thyroxine
B) ADH
C) aldosterone
D) atrial natriuretic peptide
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If the infant is uncomfortable and cries...View Answer
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Parathyroid hormone PTH)activates osteoclasts that break down the bone matrix,resulting in the release of Ca2+ and PO43- to the blood.PTH enhances intestinal absorption of Ca2+ indirectly by stimulating the kidneys to transform vitamin D to its active form,which is necessary for calcium absorption by the small intestine.PTH increases the reabsorption of calcium by the renal tubules,which simultaneously decreases phosphate ion reabsorption.
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A) The kidneys are the most important mechanism for eliminating all bicarbonate ions.
B) The kidneys are not able to excrete phosphoric acid.
C) Excreted hydrogen ions are unbound in the filtrate.
D) Kidney tubule cells are able to synthesize bicarbonate ion.
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A) respiratory alkalosis
B) metabolic acidosis
C) respiratory acidosis
D) metabolic alkalosis
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The respiratory system maintains a constant bicarbonate level in the bloodstream by outgassing carbon dioxide.In the event of a respiratory problem the bicarbonate system might not be a constant.
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A) involves aldosterone- induced secretion of potassium
B) includes renal secretion,but never absorption
C) is accomplished mainly by hepatic mechanisms
D) is not linked to sodium balance
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A) potassium ion concentration in blood plasma
B) intracellular sodium levels
C) the pH of the ICF
D) the potassium ion content in the renal tubule cells
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A) nucleic acid
B) protein
C) phosphate
D) bicarbonate
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A) intracellular hydrostatic pressure
B) hydrostatic pressure of interstitial fluid
C) hydrostatic pressure of capillary blood
D) osmotic pressure of plasma proteins
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A) the operation of the various buffer systems in the stomach
B) the control of respiratory ventilation
C) control of the acids produced in the stomach
D) the active secretion of OH- into the filtrate by the kidney tubule cells
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A) membrane polarity
B) amount of body fat
C) maintenance of osmotic relations between cells and ECF
D) neuromuscular excitability
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phosphoric
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acidemia o...View Answer
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