Question 1

What percentage of an adult's body weight consists of water?

Accepted Answer

A)  10% to 20% 
B)  30% to 40% 
C)  50% to 60% 
D)  70% to 80% 
A)  10% to 20% 
B)  30% to 40% 
C)  50% to 60% 
D)  70% to 80%

Question 2

The nurse modifies the care plan for the immobilized patient after assessing a calcium level of 6.2 mEq/L. What nursing assessment should the nurse include when modifying this care plan?

Accepted Answer

A)  Osteoporosis 
B)  Tooth loss 
C)  Renal calculi 
D)  Contractures 
A)  Osteoporosis 
B)  Tooth loss 
C)  Renal calculi 
D)  Contractures

Question 3

When administering intravenous (IV) fluids, the nurse ensures that the IV fluids are infusing as ordered to prevent dehydration in an adult. When could dehydration become lethal?

Accepted Answer

A)  If the patient loses 5% of body fluid 
B)  If the patient loses 10% of body fluid 
C)  If the patient loses 15% of body fluid 
D)  If the patient loses 20% of body fluid 
A)  If the patient loses 5% of body fluid 
B)  If the patient loses 10% of body fluid 
C)  If the patient loses 15% of body fluid 
D)  If the patient loses 20% of body fluid

Question 4

What is the method by which inhaled oxygen is moved into the intravascular compartment called?

Accepted Answer

A)  Active transport 
B)  Oxygenation 
C)  Passive transport 
D)  Mass movement 
A)  Active transport 
B)  Oxygenation 
C)  Passive transport 
D)  Mass movement

Question 5

A nurse assesses an edematous cardiac patient. The nurse is aware that this condition is a result of retained fluid. What is the patient considered to be?

Accepted Answer

A)  Hyponatremic 
B)  Hypokalemic 
C)  Hypernatremic 
D)  Hypercalcemic 
A)  Hyponatremic 
B)  Hypokalemic 
C)  Hypernatremic 
D)  Hypercalcemic

Question 6

Homeostasis of the hydrogen ion concentration in body fluids depends on the ratio of carbonic acid to bicarbonate in the extracellular fluid. What is this ratio?

Accepted Answer

A)  1:5 
B)  1:10 
C)  1:15 
D)  1:20 
A)  1:5 
B)  1:10 
C)  1:15 
D)  1:20

Question 7

The nurse uses a diagram to show that fluids in the interstitial and intravascular compartments are combined. What do they combine to form?

Accepted Answer

A)  Intercellular compartment 
B)  Circulating compartment 
C)  Vertical compartment 
D)  Extracellular compartment 
A)  Intercellular compartment 
B)  Circulating compartment 
C)  Vertical compartment 
D)  Extracellular compartment

Question 8

What does actively transporting electrolytes from an area of higher concentration to an area of lower concentration require?

Accepted Answer

A)  Hydrostatic pressure 
B)  Osmotic pressure 
C)  Blood pressure 
D)  Pulse pressure 
A)  Hydrostatic pressure 
B)  Osmotic pressure 
C)  Blood pressure 
D)  Pulse pressure

Question 9

What are the three buffer systems of the body? (Select all that apply.)

Accepted Answer

A)  Bicarbonate/carbonic acid system 
B)  Respiratory system 
C)  Renal system 
D)  GI system 
E)  Integumentary system 
A)  Bicarbonate/carbonic acid system 
B)  Respiratory system 
C)  Renal system 
D)  GI system 
E)  Integumentary system

Exam 20: Fluids and Electrolytes

What percentage of an adult's body weight consists of water?

The nurse modifies the care plan for the immobilized patient after assessing a calcium level of 6.2 mEq/L. What nursing assessment should the nurse include when modifying this care plan?

When administering intravenous (IV) fluids, the nurse ensures that the IV fluids are infusing as ordered to prevent dehydration in an adult. When could dehydration become lethal?

What is the method by which inhaled oxygen is moved into the intravascular compartment called?

A nurse assesses an edematous cardiac patient. The nurse is aware that this condition is a result of retained fluid. What is the patient considered to be?

Homeostasis of the hydrogen ion concentration in body fluids depends on the ratio of carbonic acid to bicarbonate in the extracellular fluid. What is this ratio?

The nurse uses a diagram to show that fluids in the interstitial and intravascular compartments are combined. What do they combine to form?

What does actively transporting electrolytes from an area of higher concentration to an area of lower concentration require?

What are the three buffer systems of the body? (Select all that apply.)

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