Question 1

The nurse is assigned a group of patients.Which patient would the nurse identify as being at increased risk for impaired gas exchange? A patient

Accepted Answer

A)  with a blood glucose of 350 mg/dL 
B)  who has been on anticoagulants for 10 days 
C)  with a hemoglobin of 8.5 g/dL 
D)  with a heart rate of 100 beats/min and blood pressure of 100/60 
A)  with a blood glucose of 350 mg/dL 
B)  who has been on anticoagulants for 10 days 
C)  with a hemoglobin of 8.5 g/dL 
D)  with a heart rate of 100 beats/min and blood pressure of 100/60 C

Question 2

The acid-base status of a patient is dependent on normal gas exchange.Which patient would the nurse identify as having an increased risk for the development of respiratory acidosis? A patient with

Accepted Answer

A)  chronic lung disease with increased carbon dioxide retention 
B)  acute anxiety, hyperventilation, and decreased carbon dioxide retention 
C)  decreased cardiac output with increased serum lactic acid production 
D)  gastric drainage with increased removal of gastric acid 
A)  chronic lung disease with increased carbon dioxide retention 
B)  acute anxiety, hyperventilation, and decreased carbon dioxide retention 
C)  decreased cardiac output with increased serum lactic acid production 
D)  gastric drainage with increased removal of gastric acid A

Question 3

The nurse is assessing a patient's differential white blood cell count.What implications would this test have on evaluating the adequacy of a patient's gas exchange?

Accepted Answer

A)  An elevation of the total white cell count indicates generalized inflammation. 
B)  Eosinophil count will assist to identify the presence of a respiratory infection. 
C)  White cell count will differentiate types of respiratory bacteria. 
D)  Level of neutrophils provides guidelines to monitor a chronic infection. 
A)  An elevation of the total white cell count indicates generalized inflammation. 
B)  Eosinophil count will assist to identify the presence of a respiratory infection. 
C)  White cell count will differentiate types of respiratory bacteria. 
D)  Level of neutrophils provides guidelines to monitor a chronic infection. A

Question 4

The nurse is assessing a patient for the adequacy of ventilation.What assessment findings would indicate the patient has good ventilation? (Select all that apply.)

Accepted Answer

A)  Respiratory rate is 24 breaths/min. 
B)  Oxygen saturation level is 98%. 
C)  The right side of the thorax expands slightly more than the left. 
D)  Trachea is just to the left of the sternal notch. 
E)  Nail beds are pink with good capillary refill.
F) There is presence of quiet, effortless breath sounds at lung base bilaterally. 
A)  Respiratory rate is 24 breaths/min. 
B)  Oxygen saturation level is 98%. 
C)  The right side of the thorax expands slightly more than the left. 
D)  Trachea is just to the left of the sternal notch. 
E)  Nail beds are pink with good capillary refill.
F) There is presence of quiet, effortless breath sounds at lung base bilaterally.

Question 5

The nurse would identify which body systems as directly involved in the process of normal gas exchange? (Select all that apply.)

Accepted Answer

A)  Neurologic system 
B)  Endocrine system 
C)  Pulmonary system 
D)  Immune system 
E)  Cardiovascular system
F) Hepatic system 
A)  Neurologic system 
B)  Endocrine system 
C)  Pulmonary system 
D)  Immune system 
E)  Cardiovascular system
F) Hepatic system

Question 6

Which patient would the nurse identify as being at an increased risk for altered transport of oxygen? A patient with

Accepted Answer

A)  hemoglobin level of 8.0 
B)  bronchoconstriction and mucus 
C)  peripheral arterial disease 
D)  decreased thoracic expansion 
A)  hemoglobin level of 8.0 
B)  bronchoconstriction and mucus 
C)  peripheral arterial disease 
D)  decreased thoracic expansion

Question 7

A 3-month-old infant is at increased risk for developing anemia.The nurse would identify which principle contributing to this risk?

Accepted Answer

A)  The infant is becoming more active. 
B)  There is an increase in intake of breast milk or formula. 
C)  The infant is unable to maintain an adequate iron intake. 
D)  A depletion of fetal hemoglobin occurs. 
A)  The infant is becoming more active. 
B)  There is an increase in intake of breast milk or formula. 
C)  The infant is unable to maintain an adequate iron intake. 
D)  A depletion of fetal hemoglobin occurs.

Question 8

Which clinical management prevention concept would the nurse identify as representative of secondary prevention?

Accepted Answer

A)  Decreasing venous stasis and risk for pulmonary emboli 
B)  Implementation of strict hand washing routines 
C)  Maintaining current vaccination schedules 
D)  Prevention of pneumonia in patients with chronic lung disease 
A)  Decreasing venous stasis and risk for pulmonary emboli 
B)  Implementation of strict hand washing routines 
C)  Maintaining current vaccination schedules 
D)  Prevention of pneumonia in patients with chronic lung disease

Question 9

The nurse would identify which patient as having a problem of impaired gas exchange secondary to a perfusion problem? A patient with

Accepted Answer

A)  peripheral arterial disease of the lower extremities 
B)  chronic obstructive pulmonary disease (COP
D)  
C)  chronic asthma 
D)  severe anemia secondary to chemotherapy 
A)  peripheral arterial disease of the lower extremities 
B)  chronic obstructive pulmonary disease (COP
D)  
C)  chronic asthma 
D)  severe anemia secondary to chemotherapy

Question 10

The nurse is reviewing the patient's arterial blood gas results.The PaO2 is 96 mm Hg,pH is 7.20,PaCO2  is 55 mm Hg,and HCO3 is 25 mEq/L.What would the nurse expect to observe on assessment of this patient?

Accepted Answer

A)  Disorientation and tremors 
B)  Tachycardia and decreased blood pressure 
C)  Increased anxiety and irritability 
D)  Hyperventilation and lethargy 
A)  Disorientation and tremors 
B)  Tachycardia and decreased blood pressure 
C)  Increased anxiety and irritability 
D)  Hyperventilation and lethargy

Exam 16: Gas Exchange

The nurse is assigned a group of patients.Which patient would the nurse identify as being at increased risk for impaired gas exchange? A patient

The acid-base status of a patient is dependent on normal gas exchange.Which patient would the nurse identify as having an increased risk for the development of respiratory acidosis? A patient with

The nurse is assessing a patient's differential white blood cell count.What implications would this test have on evaluating the adequacy of a patient's gas exchange?

The nurse is assessing a patient for the adequacy of ventilation.What assessment findings would indicate the patient has good ventilation? (Select all that apply.)

The nurse would identify which body systems as directly involved in the process of normal gas exchange? (Select all that apply.)

Which patient would the nurse identify as being at an increased risk for altered transport of oxygen? A patient with

A 3-month-old infant is at increased risk for developing anemia.The nurse would identify which principle contributing to this risk?

Which clinical management prevention concept would the nurse identify as representative of secondary prevention?

The nurse would identify which patient as having a problem of impaired gas exchange secondary to a perfusion problem? A patient with

The nurse is reviewing the patient's arterial blood gas results.The PaO2 is 96 mm Hg,pH is 7.20,PaCO2 is 55 mm Hg,and HCO3 is 25 mEq/L.What would the nurse expect to observe on assessment of this patient?

Development

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Fluid and Electrolyte Balance

Acid-Base Balance

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Cellular Regulation

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Perfusion

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The nurse is reviewing the patient's arterial blood gas results.The PaO₂ is 96 mm Hg,pH is 7.20,PaCO₂ is 55 mm Hg,and HCO₃ is 25 mEq/L.What would the nurse expect to observe on assessment of this patient?