ch27 - Exam Name_ MULTIPLE CHOICE. Choose the one...

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Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Intracellular fluid (ICF) is found only within A) blood vessels. B) the cells of the body. C) the interstitial space. D) the cerebrospinal fluid. E) lymph. 1) 2) The extracellular fluid (ECF) consists of the A) plasma and lymph. B) cerebrospinal fluid. C) interstitial fluid. D) all of the above E) A and B only 2) 3) The principal cation in intracellular fluid is A) potassium. B) sodium. C) magnesium. D) calcium. E) chloride. 3) 4) When water is lost, but electrolytes are retained, A) the osmolarity of the ECF falls. B) both the ECF and the ICF become more dilute. C) there is an increase in the volume of the ICF. D) osmosis moves water from the ICF to the ECF. E) both B and D 4) 5) When pure water is consumed, A) the volume of the ICF decreases. B) the volume of the ECF decreases. C) a fluid shift occurs and the volume of the ICF decreases. D) the ECF becomes hypertonic to the ICF. E) osmolarities of the two fluid compartments fall. 5) 6) Consuming a meal high in salt will A) activate the renin - angiotensin mechanism. B) drastically increase the osmolarity of the blood. C) decrease thirst. D) result in a temporary increase in blood volume. E) cause hypotension. 6) 1
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A) is secreted by the adenohypophysis. B) stimulates water intake. C) stimulates water conservation by the kidneys. D) A, B, and C E) B and C only 7) 8) Aldosterone A) is secreted in response to elevated levels of potassium in the blood. B) promotes sodium retention in the kidneys. C) helps decrease blood volume and lower blood pressure. D) A, B, and C E) A and B only 8) 9) Which of the following will stimulate thirst? A) an increase in the osmotic pressure of interstitial fluid within the hypothalamus B) drying the mucosa of the mouth and pharynx C) angiotensin II acting on the hypothalamus D) A and B only E) A, B, and C 9) 10) The ions in highest concentration in the intracellular fluid are A) proteins, potassium, and phosphate. B) sodium, potassium, and bicarbonate. C) potassium, chloride, and bicarbonate. D) potassium, hydrogen, and chloride. E) sodium, potassium, and calcium. 10) 11) The ions in highest concentration in the extracellular fluid are A) sodium, potassium, and bicarbonate. B) sodium, potassium, and calcium. C) sodium, potassium, and phosphate. D) sodium, chloride, and bicarbonate. E) sodium, hydrogen, and chloride. 11) 12) Excess hydrogen ion is eliminated from the body largely by A) buffers. B) the kidneys. C) the feces. D) sweating. E) the liver. 12) 13) The amount of potassium excreted by the kidneys is regulated mainly by A) glucocorticoids. B) atrial natriuretic peptides.
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This note was uploaded on 09/21/2011 for the course BIOL 2401 taught by Professor Rameriz during the Spring '11 term at University of Texas at Dallas, Richardson.

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ch27 - Exam Name_ MULTIPLE CHOICE. Choose the one...

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