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Atrial natriuretic peptide reduces blood pressure and blood volume by inhibiting nearly all events that promote vasodilation and potassium and water retention.

A) True
B) False

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A patient is admitted to the hospital in complete collapse.His blood pH is 6.8,and his HCO3- is 20 mEq/L.What diagnosis would you give and what prognosis? A medical history reveals that this patient is a chronic alcoholic.

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The pH and bicarbonate levels ...

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A patient's anxiety caused her to develop respiratory alkalosis.The nurse instructs the patient to take some slow deep breaths.Explain why this would be effective.

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Instructing the patient to bre...

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The term alkaline reserve is used to describe the ________ buffer system.


A) hemoglobin
B) protein
C) phosphate
D) bicarbonate

E) B) and C)
F) A) and D)

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What is the effect of acidosis on the body? Of alkalosis?

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When the body is in acute acidosis,the n...

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Which of the following statements is true regarding fluid shifts?


A) There are always more positive electrolytes than negative in a solution; it is therefore impossible to follow fluid shifts.
B) Nonelectrolytes are the controlling factor in directing fluid shifts.
C) Electrolytes are not as important as proteins in regulating fluid shifts in the body.
D) Electrolytes have greater osmotic power than nonelectrolytes and therefore have the greatest ability to cause fluid shifts.

E) None of the above
F) A) and B)

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A pregnant woman complains to her doctor that her ankles and feet stay swollen all of the time.She is very worried about this.As her doctor,what would you tell her?

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She is showing edema,an atypical accumul...

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Match the following: -The main fluid compartment located within the cell.


A) Nonelectrolytes
B) Electrolytes
C) Intracellular
D) Interstitial
E) Extracellular

F) A) and B)
G) None of the above

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Match the following: -Possibly occurring with emphysema,extreme obesity,or narcotic overdose.


A) Metabolic alkalosis
B) Respiratory acidosis
C) Metabolic acidosis
D) Respiratory alkalosis

E) A) and B)
F) A) and C)

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Whereas sodium is found mainly in the extracellular fluid,most ________ is found in the intracellular fluid.


A) potassium
B) chloride
C) bicarbonate
D) iron

E) B) and C)
F) C) and D)

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Molecules that can act reversibly as acids or bases depending upon the pH of their environment are called ________.


A) amphoteric
B) metabolic
C) compensatory
D) volatile

E) C) and D)
F) A) and B)

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Match the following: -A condition due to excessive water intake that results in net osmosis into tissue cells.This leads to severe metabolic disturbances.


A) Addison's disease
B) Dehydration
C) Edema
D) Aldosterone
E) Hyponatremia

F) A) and D)
G) A) and C)

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Some potassium ions are reabsorbed from the kidney filtrate via type A intercalated cells,a unique population of collecting duct cells.

A) True
B) False

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Blood acidity results in depression of the CNS,whereas blood alkalosis results in overexcitement of the CNS.

A) True
B) False

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Which of the choices below is NOT an essential role of salts in the body?


A) anabolism of lipids
B) secretory activity
C) neuromuscular activity
D) membrane permeability

E) A) and D)
F) None of the above

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The two hormones responsible for the regulation of calcium are pituitary hormone and calcitonin.

A) True
B) False

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Match the following: -Regulates sodium ion concentrations in the extracellular fluid.


A) Addison's disease
B) Dehydration
C) Edema
D) Aldosterone
E) Hyponatremia

F) A) and C)
G) A) and E)

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Identify and describe the operation of the three major chemical buffers of the body.

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The bicarbonate buffer system (carbonic ...

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Which of the following describes the distribution of sodium and potassium between cells and body fluids?


A) little of either in the cells, but large amounts of each in the body fluids
B) Na+ mainly in the cells, K+ in the body fluids
C) equal amounts of each ion in the cells and body fluids
D) K+ mainly in the cells, Na+ in the body fluids

E) A) and D)
F) A) and C)

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Which of the following is NOT a trigger for juxtaglomerular granular cells to release renin?


A) increased extracellular fluid water levels
B) sympathetic stimulation
C) decreased stretch of the granular cells of the afferent arterioles
D) decreased filtrate NaCl concentration

E) A) and D)
F) B) and C)

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