Chapter 27 Q and A

Chapter 27 Q and A - Chapter 27 Fluid, Electrolytes, and...

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Chapter 27 Fluid, Electrolytes, and Acid Base Balance 1) Intracellular fluid (ICF) is found in A) The cells of the body. B) Lymph. C) Blood vessels. D) The interstitial space. E) The cerebrospinal fluid. 2) The components of extracellular fluid (ECF) include A) Interstitial fluid. B) Cerebrospinal fluid. C) Blood plasma and lymph. D) All of the above E) A and B only 3) The principal cation in intracellular fluid is A) Sodium. B) Calcium. C) Magnesium. D) Potassium. E) Chloride. 4) When water is lost, but electrolytes are retained, A) Both the ECF and the ICF become more dilute. B) Osmosis moves water from the ICF to the ECF. C) There is an increase in the volume of the ICF. D) The osmolarity of the ECF falls. E) Both A and D 5) When large amounts of pure water are consumed, A) Osmolarities of the two compartments are slightly lower. 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) The volume of the ICF decreases. 6) Consuming a meal high in salt will A) Activate the renin-angiotensin mechanism. B) Cause hypotension. C) Result in a temporary increase in blood volume. D) Decrease thirst. E) Drastically increase the osmolarity of the blood. 7) Antidiuretic hormone A) Stimulates water conservation by the kidneys. B) Results in the loss of more urine from the bladder. C) Causes the kidneys to produce a large volume of urine. D) Is secreted by the anterior pituitary gland in response to changes in blood osmolarity. E) Stimulates the kidneys to retain sodium ions.
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8) Aldosterone A) Is secreted in response to elevated levels of sodium in the blood. B) Promotes sodium retention in the kidneys. C) Increases the concentration of sodium in urine. D) Functions in pH regulation. E) Helps decrease blood volume. 9) Atrial natriuretic peptide does all of the following, except that it A) Reduces thirst. B) Promotes diuresis. C) Blocks the release of glucocorticoids during the stress response. D) Blocks the release of aldosterone. E) Blocks the release of ADH. 10) When the level of sodium ion in extracellular fluid decreases, A) A person experiences an increased thirst. B) More ADH is released. C) There is an increase in the level of aldosterone. D) There is an increase in the level of atrial natriuretic factor. E) Osmoreceptors are stimulated. 11) When the amount of sodium ion in extracellular fluid increases, A) There is a decreased thirst. B) Aldosterone secretion increases. C) ADH secretion decreases. D) Osmoreceptors are stimulated. E) There is an increase in the volume of urine produced. 12) Excess potassium ion is eliminated from the body by A) The spleen. B) Sweating. C) The liver. D) The digestive system.
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This note was uploaded on 05/29/2011 for the course BIO 233 taught by Professor Salti during the Spring '11 term at Portland CC.

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Chapter 27 Q and A - Chapter 27 Fluid, Electrolytes, and...

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