NBRC TMC Exam-Y, NBRC TMC Exam-O
Questions and Answers
Question 1
Quality control material has published values for pH of 7.30, PO2 of 85 mm Hg.
Documentation indicates the range of pH is 0.5% and is 3% for PO2. Machine results
are as follows:
pH PO2 (mmHg)
Run 1 7.33 83
Run 2 7.25 86
Run 3 7.29 80
Which quality control runs indicate the machine is out of control?
A. 2 and 3
B. 1, 2, and 3
C. 1 and 2
D. 1 and 3
Correct Answer
The correct answer is : A
Question 2
Quality control data for an arterial blood gas analyzer is plotted on a graph that has a
range of 4 standard deviations (2 SD up and 2 SD down). Points on the graph show a
gradual rise from below the mean to above the mean. All points are within 2 SD of
the mean. The respiratory supervisor should
A. remove this machine from service
B. call the medical director for direction
C. monitor this machine closely
D. replace the electrodes
Correct Answer
The correct answer is : C
Page 1 of 55
,Question 3
The sudden sounding of a high-pressure ventilator alarm is noted on a patient
receiving volume controlled mechanical ventilation. The respiratory therapist notes
the endotracheal tube is at 27 cm at the teeth and that breath sounds are absent
when auscultating the left hemithorax. The therapist should immediately
A. withdraw the endotracheal tube until breath sounds are bilateral
B. advance the endotracheal tube until breath sounds can be auscultated over the left
chest
C. prepare for insertion of chest tubes in the left thorax
D. check the air pressure of the tube cuff
Correct Answer
The correct answer is : A
Question 4
Which of the following ventilator circuit change frequencies is important to minimize
nosocomial infections among patients receiving mechanical ventilation?
A. every 14 days
B. monthly
C. daily
D. when soiled
Correct Answer
The correct answer is : D
Question 5
In which of the following situations should an HME be replaced with heated humidity?
A. afebrile conditions
B. presence of thick secretions
C. patient has asthma
D. patient is hyperthermic
Correct Answer
The correct answer is : B
Page 2 of 55
,Question 6
Which of the following should be monitored for a ventilator-dependent newborn with
IRDS?
A. urine specific gravity
B. fluid input and output
C. pH
D. gas distribution (SBN2) in the lungs
Correct Answer
The correct answer is : B
Question 7
A written teaching plan for a pediatric patient with chronic asthma should include
5
A. PEFR monitoring and proper MDI use
B. determination of oxygen saturation
C. titration of oxygen
D. proper titration of bronchodilator dosage
Correct Answer
The correct answer is : A
Question 8
Which of the following is needed to calculate minute alveolar ventilation?
A. tidal volume, weight, respiratory rate
B. C(a-v)O2 and VT
C. PAO2 and tidal volume
D. VD/VT and PAO2
Correct Answer
The correct answer is : A
Page 3 of 55
, Question 9
A female patient who is morbidly obese has an 8.0 mm tracheostomy tube. She has
been placed on an ulcer prevention mattress in the Intensive Care Unit. Following
transport to the new bed, the nurse calls a respiratory therapist to assess her because
she is complaining of air hunger. Diffuse dry crackles are auscultated with crepitus
noted upon palpation. These findings are most closely associated with
A. secretions in the airway
B. pneumothorax
C. atelectasis
D. subcutaneous emphysema
Correct Answer
The correct answer is : D
Question 10
When inspecting the X-ray of an outpatient with nephrotic syndrome, you note a
homogeneous area of increased density that obscures the left costophrenic angle.
Which of the following is the most likely problem?
A. Pleural effusion
B. Bacterial pneumonia
C. Pulmonary edema
D. Atelectasis
Correct Answer
The correct answer is : A
Question 11
A patient has a serum potassium level of 3.5 mEq/L. Which of the following diuretic
would you recommend for this patient?
A. Amiloride (Midamor)
B. Chlorothiazide (Diuril)
C. Quinnethazone (Hydromax)
D. Acetazolamide (Diamox)
Correct Answer
The correct answer is : A
Page 4 of 55
Questions and Answers
Question 1
Quality control material has published values for pH of 7.30, PO2 of 85 mm Hg.
Documentation indicates the range of pH is 0.5% and is 3% for PO2. Machine results
are as follows:
pH PO2 (mmHg)
Run 1 7.33 83
Run 2 7.25 86
Run 3 7.29 80
Which quality control runs indicate the machine is out of control?
A. 2 and 3
B. 1, 2, and 3
C. 1 and 2
D. 1 and 3
Correct Answer
The correct answer is : A
Question 2
Quality control data for an arterial blood gas analyzer is plotted on a graph that has a
range of 4 standard deviations (2 SD up and 2 SD down). Points on the graph show a
gradual rise from below the mean to above the mean. All points are within 2 SD of
the mean. The respiratory supervisor should
A. remove this machine from service
B. call the medical director for direction
C. monitor this machine closely
D. replace the electrodes
Correct Answer
The correct answer is : C
Page 1 of 55
,Question 3
The sudden sounding of a high-pressure ventilator alarm is noted on a patient
receiving volume controlled mechanical ventilation. The respiratory therapist notes
the endotracheal tube is at 27 cm at the teeth and that breath sounds are absent
when auscultating the left hemithorax. The therapist should immediately
A. withdraw the endotracheal tube until breath sounds are bilateral
B. advance the endotracheal tube until breath sounds can be auscultated over the left
chest
C. prepare for insertion of chest tubes in the left thorax
D. check the air pressure of the tube cuff
Correct Answer
The correct answer is : A
Question 4
Which of the following ventilator circuit change frequencies is important to minimize
nosocomial infections among patients receiving mechanical ventilation?
A. every 14 days
B. monthly
C. daily
D. when soiled
Correct Answer
The correct answer is : D
Question 5
In which of the following situations should an HME be replaced with heated humidity?
A. afebrile conditions
B. presence of thick secretions
C. patient has asthma
D. patient is hyperthermic
Correct Answer
The correct answer is : B
Page 2 of 55
,Question 6
Which of the following should be monitored for a ventilator-dependent newborn with
IRDS?
A. urine specific gravity
B. fluid input and output
C. pH
D. gas distribution (SBN2) in the lungs
Correct Answer
The correct answer is : B
Question 7
A written teaching plan for a pediatric patient with chronic asthma should include
5
A. PEFR monitoring and proper MDI use
B. determination of oxygen saturation
C. titration of oxygen
D. proper titration of bronchodilator dosage
Correct Answer
The correct answer is : A
Question 8
Which of the following is needed to calculate minute alveolar ventilation?
A. tidal volume, weight, respiratory rate
B. C(a-v)O2 and VT
C. PAO2 and tidal volume
D. VD/VT and PAO2
Correct Answer
The correct answer is : A
Page 3 of 55
, Question 9
A female patient who is morbidly obese has an 8.0 mm tracheostomy tube. She has
been placed on an ulcer prevention mattress in the Intensive Care Unit. Following
transport to the new bed, the nurse calls a respiratory therapist to assess her because
she is complaining of air hunger. Diffuse dry crackles are auscultated with crepitus
noted upon palpation. These findings are most closely associated with
A. secretions in the airway
B. pneumothorax
C. atelectasis
D. subcutaneous emphysema
Correct Answer
The correct answer is : D
Question 10
When inspecting the X-ray of an outpatient with nephrotic syndrome, you note a
homogeneous area of increased density that obscures the left costophrenic angle.
Which of the following is the most likely problem?
A. Pleural effusion
B. Bacterial pneumonia
C. Pulmonary edema
D. Atelectasis
Correct Answer
The correct answer is : A
Question 11
A patient has a serum potassium level of 3.5 mEq/L. Which of the following diuretic
would you recommend for this patient?
A. Amiloride (Midamor)
B. Chlorothiazide (Diuril)
C. Quinnethazone (Hydromax)
D. Acetazolamide (Diamox)
Correct Answer
The correct answer is : A
Page 4 of 55
