NBRC TMC Practice Questions With Already Solved Correctly Answers
1. Which of the following is needed to calcu- B.
late alveolar oxygen tension? Barometric pressure, FiO2, and PaO2 are
A. VD/VT, PAO2 all included in the formula (BP stands for
B. BP and FiO2 barometric pressure)
C. PetCO2 and PaO2
D. QS/QT, deadspace
2. L/min/m2 is the unit of measure for: C.
A. Systemic vascular resistance
B. Cardiac output
C. Cardiac index
D. Stroke volume
3. A spontaneously breathing patient has the B.
following arterial blood gas results: A patient who is showing signs of hypox-
pH 7.38 PaCO2 42 mmHgPaO2 76 emia should receive supplemental oxygen.
mmHgHCO3- 24 mEq/LBE 0 mEq/L If the patient is not a COPD patient and
Which of the following supplemental oxy- the situation is not an emergency, then the
gen levels is most appropriate? proper supplemental oxygen is an adult
A. 2 L/min nasal cannula therapeutic dose, which is 40% to 55%. Of
B. 5 L/min nasal cannula the options available only 5 L/min nasal can-
C. non-rebreathing mask nula will approach this. Other options are
D. Venturi mask at 30% either insuflcient or too much.
4. Left heart failure would be manifested in D.
which of the following values? The function of the left heart, specifically the
A. CVP and mPAP left ventricle, is best assessed hemodynam-
B. mPAP and wedge pressure ically by looking at those values that pre-
C. MAP and SVR cede and come after the left heart. In this
D. cardiac output and wedge pressure case pulmonary capillary wedge pressure
and cardiac output (or cardiac index) are the
values found before and after the left heart.
, NBRC TMC Practice Questions With Already Solved Correctly Answers
5. Which of the following findings is most B.
closely associated with increased airway Of the options given, use of accessory mus-
resistance? cles is most closely associated with an in-
A. reduced SpO2 crease in airway resistance. This is especially
B. accessory muscle use true with patients who have asthma or other
C. altered P50 types of upper airway inflammation or bron-
D. increased PetCO2 choconstriction.
6. For a patient receiving volume-controlled A.
mechanical ventilation, the lower inflec- The lowest inflection point on a pres-
tion point on a pressure-volume loop can sure-volume ventilator graphic is an indi-
best be described as: cation of the minimum pressure needed to
A. amount of pressure required to keep keep alveoli open.
the alveoli and small airways open
B. optimal PEEP
C. minimal PEEP
D. upper limit of residual volume
7. The results of a V/Q scan shows poor per- C.
fusion with adequate ventilation. A chest A VQ scan that shows poor perfusion but ad-
radiograph shows a wedge-shaped infil- equate ventilation is most closely associat-
trate over the right lung field. The patient ed with a pulmonary embolism. Supportive
most likely has data is found in the radiological report of
A. fluid overload wedge-shaped infiltrates.
B. ARDS
C. a pulmonary embolism
D. pneumonia
8. The respiratory therapist notes in the D.
medical record of a 65-year-old male that Because albuterol is a beta-agonist medica-
the patient is ordered to receive bron- tion, patients who are taking beta-blockers
chodilator therapy with Albuterol. The
, NBRC TMC Practice Questions With Already Solved Correctly Answers
therapist also notes the patient is receiv- should utilize other bronchodilation med-
ing beta-blocker medication. The therapist ication.
should recommend
A. Administer Dexamethasone
(Decadron) in place of Albuterol
B. Add Xopenex to the bronchodilator reg-
imen
C. Replace Albuterol with Beclametha-
sone (Beclovent)
D. Switch from Albuterol to ipratropium
bromide (Atrovent)
9. A hospital has an extremely low incidence A.
of ventilator-associated pneumonia. To The incidence of ventilator-associated
which of the following reasons may this be pneumonia, or VAP, is lowered by using a
attributed? closed system suction catheter, periodical-
A. periodic discontinuation of sedation ly discontinuing sedation, keeping the pa-
B. use of respiratory precautions with the tient and semi-Fowler's position, and prop-
population er handwashing among caregivers. All are
C. diversion of infectious patients to other correct.
facilities
D. broad use of prophylactic antibiotics
10. A pressure-volume loop ventilator graph- B.
ic shows no rise in pressure for the first In this question the description of the pres-
200 mL of delivered volume. The therapist sure volume loop would indicate a flat bot-
should tom as manifested by no rise in pressure
A. increase inspiratory flow rate with the first 200 mL of delivered volume.
B. increase PEEP We call this a "flat football". The solution is
C. decrease tidal volume to increase PEEP to a level that the pressure
D. decrease inspiratory flow rate begins to rise immediately as volume is in-
troduced.
, NBRC TMC Practice Questions With Already Solved Correctly Answers
11. Which of the following would be the most A.
effective, appropriate method for resolv- A postoperative patient under sedation, and
ing atelectasis in a spontaneously breath- possibly in pain, may be tempted to breathe
ing, post operative patient who is under less, causing respiratory acidosis and at-
the influence of sedation and will not re- electasis. To correct this problem, IPPB ther-
spond to verbal stimuli? apy is most appropriate. Incentive spirome-
A. IPPB try would also help but the patient is unable
B. sustained maximal inhalation (incen- to respond to verbal stimuli. This alone is an
tive spirometer) indication for IPPB therapy.
C. deep breathing coaching
D. intubation and mechanical ventilation
12. After performing minimum occluding vol- A.
ume technique with a 65-kg (143-lb) pa- The ET tube cutt pressure may be adjust-
tient who is orally intubated with a 7.0-mm ed correctly by several techniques including
ET tube, the respiratory therapist should minimum leak technique (also called mini-
NEXT mum occluding volume, minimal seal tech-
A. check ET tube cuff pressure nique, and the use of a pressure manometer
B. perform tracheal palpation called a cuttalator. If minimum seal or min-
C. order a chest radiograph imal leak technique is used, the respirato-
D. document ET tube markings at the lips ry therapist is still required to monitor the
pressure after the technique is performed.
Although this is often not done in real life, it
is technically part of the procedure.
13. The respiratory therapist observes an ECG D.
wave form on a patient that is consistent Non-deadly arrhythmias, such as this one,
with atrial tachycardia. The patient is com- may be addressed through cardioversion.
plaining of chest pain, dizziness, and nau- Cardioversion is a form of defibrillation with
sea. The respiratory therapist should rec- low wattage and with the synchronization
ommend set to "active". This allows the shock to be
A. unsynchronized defibrillation synchronized to the R wave.
1. Which of the following is needed to calcu- B.
late alveolar oxygen tension? Barometric pressure, FiO2, and PaO2 are
A. VD/VT, PAO2 all included in the formula (BP stands for
B. BP and FiO2 barometric pressure)
C. PetCO2 and PaO2
D. QS/QT, deadspace
2. L/min/m2 is the unit of measure for: C.
A. Systemic vascular resistance
B. Cardiac output
C. Cardiac index
D. Stroke volume
3. A spontaneously breathing patient has the B.
following arterial blood gas results: A patient who is showing signs of hypox-
pH 7.38 PaCO2 42 mmHgPaO2 76 emia should receive supplemental oxygen.
mmHgHCO3- 24 mEq/LBE 0 mEq/L If the patient is not a COPD patient and
Which of the following supplemental oxy- the situation is not an emergency, then the
gen levels is most appropriate? proper supplemental oxygen is an adult
A. 2 L/min nasal cannula therapeutic dose, which is 40% to 55%. Of
B. 5 L/min nasal cannula the options available only 5 L/min nasal can-
C. non-rebreathing mask nula will approach this. Other options are
D. Venturi mask at 30% either insuflcient or too much.
4. Left heart failure would be manifested in D.
which of the following values? The function of the left heart, specifically the
A. CVP and mPAP left ventricle, is best assessed hemodynam-
B. mPAP and wedge pressure ically by looking at those values that pre-
C. MAP and SVR cede and come after the left heart. In this
D. cardiac output and wedge pressure case pulmonary capillary wedge pressure
and cardiac output (or cardiac index) are the
values found before and after the left heart.
, NBRC TMC Practice Questions With Already Solved Correctly Answers
5. Which of the following findings is most B.
closely associated with increased airway Of the options given, use of accessory mus-
resistance? cles is most closely associated with an in-
A. reduced SpO2 crease in airway resistance. This is especially
B. accessory muscle use true with patients who have asthma or other
C. altered P50 types of upper airway inflammation or bron-
D. increased PetCO2 choconstriction.
6. For a patient receiving volume-controlled A.
mechanical ventilation, the lower inflec- The lowest inflection point on a pres-
tion point on a pressure-volume loop can sure-volume ventilator graphic is an indi-
best be described as: cation of the minimum pressure needed to
A. amount of pressure required to keep keep alveoli open.
the alveoli and small airways open
B. optimal PEEP
C. minimal PEEP
D. upper limit of residual volume
7. The results of a V/Q scan shows poor per- C.
fusion with adequate ventilation. A chest A VQ scan that shows poor perfusion but ad-
radiograph shows a wedge-shaped infil- equate ventilation is most closely associat-
trate over the right lung field. The patient ed with a pulmonary embolism. Supportive
most likely has data is found in the radiological report of
A. fluid overload wedge-shaped infiltrates.
B. ARDS
C. a pulmonary embolism
D. pneumonia
8. The respiratory therapist notes in the D.
medical record of a 65-year-old male that Because albuterol is a beta-agonist medica-
the patient is ordered to receive bron- tion, patients who are taking beta-blockers
chodilator therapy with Albuterol. The
, NBRC TMC Practice Questions With Already Solved Correctly Answers
therapist also notes the patient is receiv- should utilize other bronchodilation med-
ing beta-blocker medication. The therapist ication.
should recommend
A. Administer Dexamethasone
(Decadron) in place of Albuterol
B. Add Xopenex to the bronchodilator reg-
imen
C. Replace Albuterol with Beclametha-
sone (Beclovent)
D. Switch from Albuterol to ipratropium
bromide (Atrovent)
9. A hospital has an extremely low incidence A.
of ventilator-associated pneumonia. To The incidence of ventilator-associated
which of the following reasons may this be pneumonia, or VAP, is lowered by using a
attributed? closed system suction catheter, periodical-
A. periodic discontinuation of sedation ly discontinuing sedation, keeping the pa-
B. use of respiratory precautions with the tient and semi-Fowler's position, and prop-
population er handwashing among caregivers. All are
C. diversion of infectious patients to other correct.
facilities
D. broad use of prophylactic antibiotics
10. A pressure-volume loop ventilator graph- B.
ic shows no rise in pressure for the first In this question the description of the pres-
200 mL of delivered volume. The therapist sure volume loop would indicate a flat bot-
should tom as manifested by no rise in pressure
A. increase inspiratory flow rate with the first 200 mL of delivered volume.
B. increase PEEP We call this a "flat football". The solution is
C. decrease tidal volume to increase PEEP to a level that the pressure
D. decrease inspiratory flow rate begins to rise immediately as volume is in-
troduced.
, NBRC TMC Practice Questions With Already Solved Correctly Answers
11. Which of the following would be the most A.
effective, appropriate method for resolv- A postoperative patient under sedation, and
ing atelectasis in a spontaneously breath- possibly in pain, may be tempted to breathe
ing, post operative patient who is under less, causing respiratory acidosis and at-
the influence of sedation and will not re- electasis. To correct this problem, IPPB ther-
spond to verbal stimuli? apy is most appropriate. Incentive spirome-
A. IPPB try would also help but the patient is unable
B. sustained maximal inhalation (incen- to respond to verbal stimuli. This alone is an
tive spirometer) indication for IPPB therapy.
C. deep breathing coaching
D. intubation and mechanical ventilation
12. After performing minimum occluding vol- A.
ume technique with a 65-kg (143-lb) pa- The ET tube cutt pressure may be adjust-
tient who is orally intubated with a 7.0-mm ed correctly by several techniques including
ET tube, the respiratory therapist should minimum leak technique (also called mini-
NEXT mum occluding volume, minimal seal tech-
A. check ET tube cuff pressure nique, and the use of a pressure manometer
B. perform tracheal palpation called a cuttalator. If minimum seal or min-
C. order a chest radiograph imal leak technique is used, the respirato-
D. document ET tube markings at the lips ry therapist is still required to monitor the
pressure after the technique is performed.
Although this is often not done in real life, it
is technically part of the procedure.
13. The respiratory therapist observes an ECG D.
wave form on a patient that is consistent Non-deadly arrhythmias, such as this one,
with atrial tachycardia. The patient is com- may be addressed through cardioversion.
plaining of chest pain, dizziness, and nau- Cardioversion is a form of defibrillation with
sea. The respiratory therapist should rec- low wattage and with the synchronization
ommend set to "active". This allows the shock to be
A. unsynchronized defibrillation synchronized to the R wave.
