Oxygenation
Oxygenation
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Exam 2: Oxygenation (NCLEX)
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A (DNR) client has a non-rebreather oxygen mask and breathing
appears to be labored. What does the nurse do first?
A
A. Ensures that the tubing is patent and that oxygen flow is high Labored breathing and ultimately suffocation can occur if the
B. Notifies the chaplain and the family member of record reservoir bag kinks, or if the oxygen source disconnects or is not
C. Calls the Rapid Response Team and prepares to intubate set to high flow levels.
D. Comforts the client and confirms that signed DNR orders are
in the chart
The client is admitted to the hospital for COPD, and the physician
requests a nasal cannula at 2 L/min. Within 30 minutes, the client's B
color improves. What does the nurse continue to monitor that may Respiratory rate and depth should be monitored closely while the
require immediate attention? client receives oxygen, because hypoventilation is seen during the
first 30 minutes of oxygen therapy in clients with hypoxic drive
A. Increasing carbon dioxide levels for respiration. The client's color will improve (from ashen or gray
B. Decreasing respiratory rate to pink) because of an increase in PaO2 level before apnea or
C. Increasing adventitious breath sounds respiratory arrest occurs from loss of the hypoxic drive.
D. Increased coughing
A client who has experienced a panic attack is being transferred
to the medical-surgical ward. The transfer nurse reports that the
client is doing much better after receiving bronchodilators via
nebulizer and a small dose of oral Valium 4 hours ago in the emer-
gency department. Vital signs are stable with oxygen delivered at D
4 L/min via simple facemask. Why is this client at high risk for A simple facemask must receive oxygen at a rate of at least 5
subsequent respiratory distress? L/min to prevent inhalation of exhaled breath, which has low levels
of oxygen and can eventually suffocate the client.
A. The client is not being treated for asthma
B. The client has a mental disorder
C. The client received a dose of Valium
D. The client is receiving oxygen at 4 L/min
A patient has been diagnosed with severe iron deficiency anemia.
During physical assessment for which of the following symptoms
would the nurse assess to determine the patient's oxygen status?
D
A: Increased breathlessness but increased activity tolerance
B: Decreased breathlessness and decreased activity tolerance
C: Increased activity tolerance and decreased breathlessness
D: Decreased activity tolerance and increased breathlessness
A 6-year-old boy is admitted to the pediatric unit with chills and a
fever of 104°F (40°C). What physiological process explains why
the child is at risk for developing dyspnea?
A: Postural drainage C
B: Chest percussion
C: Incentive spirometer
D: Suctioning
The nurse needs to apply oxygen to a patient who has a precise
oxygen level prescribed. Which of the following oxygen-delivery
systems should the nurse select to administer the oxygen to the
patient?
A
A: Nasal cannula
B: Venturi mask
C: Simple face mask without inflated reservoir bag
D: Plastic face mask with inflated reservoir bag
For a male client with chronic obstructive pulmonary disease,
which nursing intervention would help maintain a patent airway?
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A. Pulse oximetry to determine oxygen saturation levels
B. Throat cultures with sterile swabs
C
C. Bronchoscopy of the bronchial trees
D. Computed tomography of the lung fields
The nurse identifies that the client is unable to cough to produce a
sputum specimen and must be suctioned. Which suctioning route
is preferred?
B
A. Nasopharyngeal
B. Nasotracheal
C. Oropharyngeal
D. Orotracheal
The nurse is reviewing the results of the patient's diagnostic test-
ing. Of the following results, the finding that falls within expected
or normal limits is:
A. 6, 4, 3, 1, 2, 5, 8, 7
B. 4, 6, 1, 2, 3, 8, 5, 7
C. 4, 6, 1, 3, 2, 5, 8, 7
D. 6, 4, 1, 3, 2, 5, 7, 8
Which of the following skills can be delegated to the LPN? (Select
all that apply.)
A. Nasotracheal suctioning
BDE
B. Oropharyngeal suctioning of a stable patient
C. Suctioning a new artificial airway
D. Permanent tracheostomy tube suctioning
E. Care of an endotracheal tube (ETT)
The nurse is caring for a client after a bronchoscopy and biopsy.
Which finding, if noted in the client, should be reported immedi-
ately to the health care provider?
C
a. Dry cough
b. Hematuria
c. Bronchospasm
d. Blood-streaked sputum
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Exam 2: Oxygenation (NCLEX)
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c. Paradoxical respirations
d. Pain, especially with inspiration
The nurse is discussing the techniques of chest physiotherapy
and postural drainage (respiratory treatments) to a client having
expectoration problems because of chronic thick, tenacious mu-
cus production in the lower airway. The nurse explains that after
the client is positioned for postural drainage the nurse will perform
which action to help loosen secretions? B
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The nurse is caring for a postoperative client who has a prescrip-
tion for meperidine (Demerol) 7 5mg intramuscularly (IM) every 4
hours as needed for pain. Before and after administering Demerol,
the nurse would assess which most important sign?
A
a) Respiratory rate and depth
b) Urinary intake and output
c) Orthostatic blood pressure
d) Apical pulse
Which diagnostic procedure measures lung size and airway pa-
tency, producing graphic representations of lung volumes and
flows?
A
a) Pulmonary function tests
b) Chest x-ray
c) Skin tests
d) Bronchoscopy
A newly hired nurse is performing a focused respiratory assess-
ment. The nurse mentor will intervene if which action by the newly
hired nurse is noted?
B
What structural changes to the respiratory system should a nurse One of the structural changes affecting the respiratory system that
observe when caring for older adults? a nurse should observe in an older adult is respiratory muscles
becoming weaker. The nurse should also observe other structural
changes: the chest wall becomes stiffer as a result of calcification
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Exam 2: Oxygenation (NCLEX)
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of the intercostals cartilage, kyphoscoliosis, and arthritic changes
to costovertebral joints; the ribs and vertebrae lose calcium; the
a) increased use of accessory muscles for breathing
lungs become smaller and less elastic; alveoli enlarge; and alve-
b) respiratory muscles become weaker
olar walls become thinner. Diminished coughing and gag reflexes,
c) increased mouth breathing and snoring
increased use of accessory muscles for breathing, and increased
d) diminished coughing and gag reflexes
mouth breathing and snoring are functional changes to the respi-
ratory system in older adults.
A client has been placed on 6 L of humidified oxygen via nasal D
cannula. Which action by the nurse is most appropriate? Condensation often forms in the tubing when a client receives
humidified high-flow oxygen. Remove this condensation as it col-
a. Drain condensation back into the humidifier, maintaining a lects by disconnecting the tubing and emptying the water. Some
closed system. humidifiers and nebulizers have a water trap that hangs from the
b. Keep the water sterile by draining it from the water trap back into tubing so the condensation can be drained without disconnecting.
the humidifier. To prevent bacterial contamination, never drain the fluid back into
c. Turn down the humidity when condensation begins to collect in the humidifier or the nebulizer. Do not turn down the humidity
the tubing. because the physician has ordered it and the client needs it.
d. Remove condensation in the tubing by disconnecting and emp- Minimize how long the tubing is disconnected because the client
tying it appropriately. does not receive oxygen during this period.
A
A client is receiving oxygen via Venturi mask at 40%. On assess- The Venturi mask works by drawing in a specific amount of air
ment the nurse finds the client cyanotic with labored respirations. to mix with the oxygen through holes in an adaptor fitted at
Which action does the nurse perform first? the bottom of the mask. Holes of different sizes allow different
amounts of room air to be entrained, changing the amount of
a. Remove bedding from around the adaptor opening. oxygen delivered. Bedding (or clothing) wrapped around those
b. Listen to lung sounds and obtain a respiratory rate. holes would effectively change the FiO2. The nurse should ensure
c. Call respiratory therapy to check oxygen saturation. that the holes remain unobstructed. Other options are appropriate
d. Notify the provider or Rapid Response Team immediately. but are not the first choice, because this simple step may be what
solves the problem.
A client requires oxygen received via a face mask but wants
to remain as mobile as possible once discharged home. Which
intervention by the home health nurse best provides the client with
maximal mobility?
The nurse is caring for a client with orders for oxygen at 5 L/min.
Approximately how much FiO2 is the client receiving?
D
a. 24%
b. 28%
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Exam 2: Oxygenation (NCLEX)
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c. 36%
d. 40%
A client who is receiving continuous oxygen therapy by nasal B
cannula for an acute respiratory problem is becoming increasingly Cerebral hypoxia is a cause of confusion and is a sensitive indi-
confused. What does the nurse do first? cator that the client needs more oxygen. Although you would want
to notify the provider of the change in the client's condition, the
a. Notify the health care provider. best action is first to assess pulse oximetry and then to increase
b. Assess the client's pulse oximetry. the oxygen. You would not just document the assessment finding
c. Document the observation. without intervening. Raising the head of the bed would not help
d. Raise the head of the bed. the client oxygenate better.
The nurse assesses a client who is receiving oxygen via a partial
rebreather mask. Which assessment finding does the nurse inter-
C
vene to correct?
Flow rate should be 6 to 11 L/min. A flow rate of 2 L/min will
not adequately inflate the bag. A bag that is two thirds inflated is
a. The bag is two thirds inflated during inhalation.
desired. A pulse oximetry reading of 93% and higher is adequate,
b. The client's pulse oximetry reading is 93%.
as is an arterial oxygenation of 90%.
c. The oxygen flow rate is 2 L/min.
d. The arterial oxygen level is 90%.
The nurse is caring for a patient with chronic obstructive
pulmonary disease (COPD). The patient has been receiving
high-flow oxygen therapy for an extended time. What symptoms
should the nurse anticipate if the patient were experiencing oxy-
gen toxicity?
B
A) Bradycardia and frontal headache
B) Dyspnea and substernal pain
C) Peripheral cyanosis and restlessness
D) Hypotension and tachycardia
The nurse is caring for a patient who is scheduled to have a tho-
racotomy. When planning preoperative teaching, what information
should the nurse communicate to the patient?
B
A) How to milk the chest tubing
B) How to splint the incision when coughing
C) How to take prophylactic antibiotics correctly
D) How to manage the need for fluid restriction
The nurse is discussing activity management with a patient who is
postoperative following thoracotomy. What instructions should the
nurse give to the patient regarding activity immediately following
discharge?
D
A) Walk 1 mile 3 to 4 times a week.
B) Use weights daily to increase arm strength.
C) Walk on a treadmill 30 minutes daily.
D) Perform shoulder exercises five times daily.
The home care nurse is visiting a patient newly discharged home
after a lobectomy. What would be most important for the home
care nurse to assess?
D
A) Resumption of the patients ADLs
B) The familys willingness to care for the patient
C) Nutritional status and fluid balance
D) Signs and symptoms of respiratory complications
A patient has been discharged home after thoracic surgery. The
home care nurse performs the initial visit and finds the patient
discouraged and saddened. The client states, I am recovering so
slowly. I really thought I would be better by now. What nursing A
action should the nurse prioritize?
A.) "Be aware that patients with darker skin usually show a 3%
to 5% higher oxygen saturation compared with light-skinned pa-
tients."
B
B.) "Usually dark-skinned patients show a 3% to 5% lower oxygen
saturation by pulse oximetry than light-skinned patients."
C.) "With a dark-skinned patient, you may get more accurate
results by measuring pulse oximetry on the patient's toes."
D.) "More accurate results may result from continuous pulse
oximetry monitoring than spot checking when a patient has darker
skin."
After the respiratory therapist performs suctioning on a patient
who is intubated, the unlicensed assistive personnel (UAP) mea-
sures vital signs for the patient. Which vital sign value should the
UAP be instructed to report to the RN immediately?
D
a. Heart rate of 98 beats/min
b. Respiratory rate of 24 breaths/min
c. Blood pressure of 168/90 mm Hg
d. Tympanic temperature of 101.4°F (38.6°C)
The critical care charge nurse is responsible for the care of four
patients receiving mechanical ventilation. Which patient is most at
risk for failure to wean and ventilator dependence?
A
a. A 68-year-old patient with a history of smoking and emphysema
b. A 57-year-old patient who experienced a cardiac arrest
c. A 49-year-old postoperative patient who had a colectomy
d. A 29-year-old patient who is recovering from flail chest
Which of the following nursing diagnoses would be the most
important yet relevant nursing diagnosis for the patient diagnosed
A
with having a pulmonary contusion?
Fluid volume overload would be appropriate for this client be-
cause of the fluid build-up occurring in the lungs (AEB: Crackles,
A) Fluid Volume Overload
decreased breath sounds, etc.). This build-up is caused by the
B) Imbalanced Nutrition: Less than body requirements
bruising and edema pulling fluid from the vascular spaces.
C) Acute Pain
D) Risk for Infection
The nurse enters the patient's room at the beginning of her shift.
The patient is 3 days post-op right-sided pneumonectomy. Which
of the following findings requires most immediate intervention by
3
the nurse?
The post-op pneumonectomy patient should be positioned on the
OPERATIVE (bad) side OR on the back. Sipping iced water in
1) The patient is slowly sipping iced water.
itself isn't harmful to this patient. Urinary output is sufficient. Pain
2) The CNA reports that urinary output for the last 6 hours is 200
is expected, although this would be the nurse's second concern.
mL.
3) The patient is positioned on her left side with SCDs in place.
4) The patient reports pain at 9/10.
1) infection risk
2) pain 3
3) hemorrhage risk
4) airway maintenance
ABCD
Which of the following would the nurse anticipate being ordered
IV fluids would be necessary to prevent hypovolemia because of
for the patient with pulmonary contusion? SATA:
the fluid that is leaving the vascular spaces into the lungs/pleural
spaces. This must be administered judiciously to prevent fluid
A) IV fluids
volume overload or worsening lung function. Intubation or me-
B) Intubation/mechanical ventilation
chanical ventilation may be ordered, if pulmonary contusion is
C) Opioids
severe. Opioids are often used for pain relief. Antibiotics would
D) Antibiotics
be administered prophylactically to prevent infection from arising.
E) Albumin
Albumin would not be given in this disorder.
The patient arrives to the ED and you are told by the reporting
C
nurse that the patient is suspected of having flail chest. Which of
In order to look for s/s of flail chest, the most important assessment
the following would the nurse assess for first?
sign to watch for is paradoxical chest movement, which could be
found by monitoring respirations. Palpating the thorax could cause
A) Palpate the thorax for a crackling, grating sound
further damage to the ribs. It would be very important to assess
B) Ask pt. pain level and location
pain and bp and hr (bleeding) but these will not help confirm the
C) Monitor respirations
suspected diagnosis.
D) Assess blood pressure and heart rate
A nurse is caring for a 29 year-old patient on a med-surg unit with
3 lower rib fractures. Which of the following findings, if noted by
3
the nurse, is most concerning?
This patient has spiked a fever which, even though it is slight,
could be indicative of pneumonia or atelectasis. This needs to be
1) Patient rates pain 8/10.
further investigated. Crepitus and muscle spasms over the area
2) Patient reports feeling muscle spasms over the fracture area
are expected. Extreme pain is also expected, and would be the
when he coughs.
nurse's immediate concern after addressing the patient's elevated
3) Patient's temperature is 99.8F.
temperature.
4) The nurse feels a crackling, grating sensation over the lower
ribs.
A male client has been admitted with chest trauma after a motor B
vehicle accident and has undergone subsequent intubation. A Pneumothorax is characterized by restlessness, tachycardia, dys-
nurse checks the client when the high-pressure alarm on the pnea, pain with respiration, asymmetrical chest expansion, and
ventilator sounds, and notes that the client has absence of breathe diminished or absent breath sounds on the affected side. Pneu-
sounds in right upper lobe of the lung. The nurse immediately mothorax can cause increased airway pressure because of re-
assesses for other signs of: sistance to lung inflation. Acute respiratory distress syndrome
and pulmonary embolism are not characterized by absent breath
A. Pulmonary Embolism sounds. An endotracheal tube that is inserted too far can cause
B. Right pneumothorax absent breath sounds, but the lack of breath sounds most likely
C. Displaced endotracheal tube would be on the left side because of the degree of curvature of
D. Acute respiratory distress syndrome the right and left main stem bronchi.
A patient with a possible pulmonary embolism complains of chest
pain and difficulty breathing. The nurse finds a heart rate of 142
beats/minute, blood pressure of 100/60 mmHg, and respirations
of 42 breaths/minute. Which action should the nurse take first?
D
a. Administer anticoagulant drug therapy.
b. Notify the patient's health care provider.
c. Prepare patient for a spiral computed tomography (CT).
d. Elevate the head of the bed to a semi-Fowler's position.
a. tidal volume.
A
b. residual volume.
c. vital capacity.
d. dead-space volume.
Which of the following would be most appropriate for a male client
with an arterial blood gas (ABG) of pH 7.5, PaCO2 26 mm Hg, O2
saturation 96%, HCO3 24 mEq/L, and PaO2 94 mm Hg?
B
a. Administer a prescribed decongestant.
b. Instruct the client to breathe into a paper bag.
c. Offer the client fluids frequently.
d. Administer prescribed supplemental oxygen.
A black male client with asthma seeks emergency care for acute
respiratory distress. Because of this client's dark skin, the nurse
should assess for cyanosis by inspecting the:
B
a. lips.
b. mucous membranes.
c. nail beds.
d. earlobes
A female client with asthma is receiving a theophylline preparation
to promote bronchodilation. Because of the risk of drug toxicity, the
nurse must monitor the client's serum theophylline level closely.
The nurse knows that the therapeutic theophylline concentration
falls within which range?
D
a. 1 to 2 mcg/ml
b. 2 to 5 mcg/ml
c. 5 to 10 mcg/ml
d. 10 to 20 mcg/ml
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Exam 2: Oxygenation (NCLEX)
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c. Extreme anxiety
d. Narcotic overdose
At 11 p.m., a male client is admitted to the emergency department.
He has a respiratory rate of 44 breaths/minute. He's anxious, and
wheezes are audible. The client is immediately given oxygen by
face mask and methylprednisolone (Depo-medrol) I.V. At 11:30
p.m., the client's arterial blood oxygen saturation is 86% and he's
still wheezing. The nurse should plan to administer: D
a. alprazolam (Xanax).
b. propranolol (Inderal)
c. morphine.
d. albuterol (Proventil).
The charge nurse is making client assignments on a medical floor.
Which client should the charge nurse assign to the LPN?
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Exam 2: Oxygenation (NCLEX)
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When assessing a patient with chronic lung disease, the nurse
finds a sudden onset of agitation and confusion. Which action
should the nurse take first?
D
a. Check pupil reaction to light.
b. Notify the health care provider.
c. Attempt to calm and reassure the patient.
d. Assess oxygenation using pulse oximetry.
The nurse is caring for a 22-year-old patient who came to the
emergency department with acute respiratory distress. Which in-
formation about the patient requires the most rapid action by the
nurse?
C
a. Respiratory rate is 32 breaths/min.
b. Pattern of breathing is shallow.
c. The patient's PaO2 is 45 mm Hg.
d. The patient's PaCO2 is 34 mm Hg.
A client who has undergone radical neck dissection for a tumor
has a potential problem of obstruction related to postoperative
edema, drainage, and secretions. To promote adequate respi-
ratory function in this client, the nurse should implement which
activities? Select all that apply.
1245
1.Suctioning the client as needed
2.Encouraging coughing every 2 hours
3.Placing the bed in low Fowler's position
4.Supporting the neck incision when the client coughs
5.Monitoring the respiratory status frequently as prescribed
The nurse will monitor for clinical manifestations of hypercapnia
when a patient in the emergency department has
A) Notify Mr. D's physician and prepare for a stat V/Q scan.
B) Start Mr. D on O2 at 4 L/min nasal cannula and prepare an
aminophylline drip.
C) Call the rapid response team and prepare for emergency
insertion of a chest tube.
D) Notify Mr. D's physician of these changes.
A patient has been on a non-rebreathing mask at 10 L/min for
4 days and is complaining of a dry cough, a stuffy nose, and
substernal chest pain (pain score, 6 of 10) that increases with
deep breathing. The chest radiograph shows no changes, and
the 12-lead electrocardiography (ECG) findings are normal. The
nurse suspects the patient is experiencing: B
A) hypercapnia.
B) oxygen toxicity.
C) unstable angina.
D) absorption atelectasis.
Which of the following statements is true regarding oxygen toxic-
ity?
A) It can occur in patients who inhale greater than 50% oxygen for
more than 24 hours. A
B) It causes destruction of oxygen-free radicals.
C) The most common presenting symptom is respiratory depres-
sion.
D) Chest radiography is a useful tool for early diagnosis.
Mr. J, a 26-year-old patient with diabetes, is admitted to the unit
in severe diabetic ketoacidosis. His pH is 7.29. Understanding
the principles of the oxyhemoglobin dissociation curve, you would
expect which finding when you measure his SaO2?
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