CNUR 305 - FINAL EXAM | 2025/2026 UPDATE |
QUESTIONS AND ANSWERS | WITH COMPLETE
SOLUTION
Interpret these ABG results
pH = 7.40 (ref range 7.35-7.45)
PaCO2 = 44 mmHg (ref range 35-45 mmHg)
HCO3 = 25 mmol/L (ref range 22-26 mEq/L)
PaO2 = 90 mmHg (ref range 75-100 mmHg)
a. Respiratory alkalosis
b. Normal ABG
c. Respiratory Acidosis
d. Partially compensated respiratory acidosis Answer - B. Normal ABG
Interpret these ABG results
pH = 7.28 (ref range 7.35-7.45)
PaCO2 = 60 mmHg (ref range 35-45 mmHg)
HCO3 = 22 mmol/L (ref range 22-26 mEq/L)
PaO2 = 78 mmHg (ref range 75-100 mmHg)
a. Metabolic alkalosis
b. Respiratory alkalosis
,c. Respiratory acidosis
d. Metabolic acidosis Answer - c. Respiratory Acidosis
Patient situations associated with respiratory alkalosis include which condition?
a. Sedation
b. Anxiety
c. Pulmonary edema
d. Neuromuscular blockage Answer - b. Anxiety
Which of the following is the priority nursing assessment in the care of a
patient who has a tracheostomy?
a. Respiratory rate and oxygen saturation.
b. Electrolyte levels and daily weights.
c. Pain assessment and assessment of mobility.
d. Assessment of speech and swallowing. Answer - a. Respiratory rate and
oxygen saturation
Respiration compensation involves the excretion or retention of which gas or
substance?
a. CO2
b. H2O
c. K+
d. HCO3 Answer - a. CO2
, A chest tube is inserted, and the nurse assesses continuous gentle bubbling in
the suction chamber of the patient's closed chest drainage. The nurse
evaluates the finding this finding as
a. The tubing is kinked.
b. There is an air leak present.
c. The system is functionong normally.
d. The lung has re-expanded. Answer - c. The system is functioning normally.
You are assessing a 22-year-old who was admitted 3 days ago with multiple rib
fractures & pulmonary contusions following a motor vehicle crash (MVC). You
find the patient has shallow respirations at a rate of 38 per minute. He says he
feels "dizzy and scared". His SaO2 is 80% and is on O2 at 4 litres by nasal
promgs. Which action is most appropriate?
a. Administer morphine to reduce hyperventilation.
b. Put the patient on a non-rebreather mask at 8L.
c. Increase the flow rate of oxygen to 10L/minute and reassess in ten minutes.
d. Encourage him to splint his chest when coughing. Answer - a. Administer
morphine to reduce hyperventilation.
Which of the following measures would most likely be successful in reducing
pleuritic chest pain that in a patient with after a pneumonectomy?
a. Encourage shallow breathing.
b. Use incentive spirometry.
c. Splint the rib cage when coughing.
d. Encourage abdominal breathing. Answer - c. Splint the rib cage when
coughing.
QUESTIONS AND ANSWERS | WITH COMPLETE
SOLUTION
Interpret these ABG results
pH = 7.40 (ref range 7.35-7.45)
PaCO2 = 44 mmHg (ref range 35-45 mmHg)
HCO3 = 25 mmol/L (ref range 22-26 mEq/L)
PaO2 = 90 mmHg (ref range 75-100 mmHg)
a. Respiratory alkalosis
b. Normal ABG
c. Respiratory Acidosis
d. Partially compensated respiratory acidosis Answer - B. Normal ABG
Interpret these ABG results
pH = 7.28 (ref range 7.35-7.45)
PaCO2 = 60 mmHg (ref range 35-45 mmHg)
HCO3 = 22 mmol/L (ref range 22-26 mEq/L)
PaO2 = 78 mmHg (ref range 75-100 mmHg)
a. Metabolic alkalosis
b. Respiratory alkalosis
,c. Respiratory acidosis
d. Metabolic acidosis Answer - c. Respiratory Acidosis
Patient situations associated with respiratory alkalosis include which condition?
a. Sedation
b. Anxiety
c. Pulmonary edema
d. Neuromuscular blockage Answer - b. Anxiety
Which of the following is the priority nursing assessment in the care of a
patient who has a tracheostomy?
a. Respiratory rate and oxygen saturation.
b. Electrolyte levels and daily weights.
c. Pain assessment and assessment of mobility.
d. Assessment of speech and swallowing. Answer - a. Respiratory rate and
oxygen saturation
Respiration compensation involves the excretion or retention of which gas or
substance?
a. CO2
b. H2O
c. K+
d. HCO3 Answer - a. CO2
, A chest tube is inserted, and the nurse assesses continuous gentle bubbling in
the suction chamber of the patient's closed chest drainage. The nurse
evaluates the finding this finding as
a. The tubing is kinked.
b. There is an air leak present.
c. The system is functionong normally.
d. The lung has re-expanded. Answer - c. The system is functioning normally.
You are assessing a 22-year-old who was admitted 3 days ago with multiple rib
fractures & pulmonary contusions following a motor vehicle crash (MVC). You
find the patient has shallow respirations at a rate of 38 per minute. He says he
feels "dizzy and scared". His SaO2 is 80% and is on O2 at 4 litres by nasal
promgs. Which action is most appropriate?
a. Administer morphine to reduce hyperventilation.
b. Put the patient on a non-rebreather mask at 8L.
c. Increase the flow rate of oxygen to 10L/minute and reassess in ten minutes.
d. Encourage him to splint his chest when coughing. Answer - a. Administer
morphine to reduce hyperventilation.
Which of the following measures would most likely be successful in reducing
pleuritic chest pain that in a patient with after a pneumonectomy?
a. Encourage shallow breathing.
b. Use incentive spirometry.
c. Splint the rib cage when coughing.
d. Encourage abdominal breathing. Answer - c. Splint the rib cage when
coughing.
