1|Page
TMC EXAM C|| LATEST AND COMPLETE
UPDATE WITH QUESTIONS AND 100%
CORRECT ANSWERS ALREADY GRADED A+||
NEWEST VERSION
The respiratory therapist should evaluate which of the following to develop a
teaching plan for a patient who will be using a small volume nebulizer at home?
a. manual dexterity
b. highest grade level achieved in school
c. spousal support
d. English speaking proficiency - ANSWER: a. manual dexterity
Which of the following would be most beneficial in resolving microatelectasis?
a. chest tubes
b. percutaneous ventilation
c. thoracentesis
d. bronchoscopy - ANSWER: d. bronchoscopy
A 45 year-old patient is recovering in the intensive care unit after undergoing a
surgical procedure to repair a hernia. The patient remains unconscious. To prevent
soft tissue obstruction, the respiratory therapist should recommend a(n)
a. double-lumen endobronchial tube
b. oropharyngeal airway
c. bite block
d. nasopharyngeal airway - ANSWER: b. oropharyngeal airway
,2|Page
Quality control material has published values for pH of 7.20, PO2 of 65 mmHg.
Documentation indicates the range of pH is 0.5% and is 3% for PO2. Machine
results are as follows:
Run 1: pH 7.19, PO2 64
Run 2: pH 7.10, PO2 69
Run 3: pH 7.21, PO2 65
Which quality control run(s) indicate the machine is out of control?
a. Run 1 and 2
b. Run 2 and 3
c. Run 3 only
d. Run 2 only - ANSWER: d. Run 2 only
A respiratory therapist is considering a patient's readiness to wean from mechanical
ventilation. To determine the A-aDO2, the therapist will need which of the
following?
a. ABG and alveolar oxygen tension
b. VD/VT and PAO2
c. CaO2 and PAO2
d. VD/VT and ABG - ANSWER: a. ABG and alveolar oxygen tension
A patient with increased airway resistance from a fixed upper airway obstruction
would benefit most from which of the following?
a. bronchodilator therapy
b. epinephrine
c. heliox therapy
d. aerosolized atropine - ANSWER: c. heliox therapy
,3|Page
Evaluating MIP (maximum inspiratory pressure) is most useful in evaluating
which of the following?
a. presence of a restrictive pulmonary defect
b. effectiveness of cough
c. presence of obstructive pulmonary defect
d. inspiratory muscle strength - ANSWER: d. inspiratory muscle strength
An air-entrainment jet nebulizer is set at 50%. The respiratory therapist analyzes
the oxygen coming from the end of the tubing and finds it is 60%. Which of the
following most likely explains this finding?
a. poorly calibrate analyzer
b. excess water in the tubing
c. low flow through the jet orifice
d. leak in the tubing - ANSWER: b. excess water in the tubing
During a preoperational test of the ventilator with a test lung, the respiratory
therapist notes a return tidal volume of 600 cc. Ventilator settings are:
Mode: Assist/control
FiO2: 0.50
Mandatory rate: 10
VT: 750 mL
What action should the therapist take?
a. examine the ventilator circuit for proper connections
b. obtain a larger test lung
c. increase the set tidal volume to 900 mL
d. obtain a smaller test lung - ANSWER: a. examine the ventilator circuit for
proper connections
, 4|Page
During the preoperational test of the ventilator, the respiratory therapist notices the
galvanic analyzer on the ventilator is reading erroneously low. Which of the
following can the respiratory therapist do to correct the problem?
a. replace the analyzer batteries
b. replace the electrolyte solution in the analyzer
c. tag the ventilator as non-functional and avoid placing it in service
d. change the fuel cell - ANSWER: d. change the fuel cell
Which of the following is most likely to increase nosocomial infection in a
hospital?
a. use of an HME for 48 hours
b. poor hand washing among staff
c. frequent disconnection in the ventilator circuit
d. use of alcohol-based hand cleaners - ANSWER: b. poor hand washing among
staff
While monitoring a patient receiving mechanical ventilation, the respiratory
therapist notices the low-pressure and low exhaled volume alarms are sounding.
Which of the following could be the cause?
a. kinked endotracheal tube
b. disconnected thermistor line
c. excess water in the inspiratory limb of the circuit
d. herniated endotracheal tube cuff - ANSWER: b. disconnected thermistor line
A patient receiving positive pressure ventilation has a low-pressure alarm
sounding. Which of the following could be the cause?
a. a fracture in the plastic wye
TMC EXAM C|| LATEST AND COMPLETE
UPDATE WITH QUESTIONS AND 100%
CORRECT ANSWERS ALREADY GRADED A+||
NEWEST VERSION
The respiratory therapist should evaluate which of the following to develop a
teaching plan for a patient who will be using a small volume nebulizer at home?
a. manual dexterity
b. highest grade level achieved in school
c. spousal support
d. English speaking proficiency - ANSWER: a. manual dexterity
Which of the following would be most beneficial in resolving microatelectasis?
a. chest tubes
b. percutaneous ventilation
c. thoracentesis
d. bronchoscopy - ANSWER: d. bronchoscopy
A 45 year-old patient is recovering in the intensive care unit after undergoing a
surgical procedure to repair a hernia. The patient remains unconscious. To prevent
soft tissue obstruction, the respiratory therapist should recommend a(n)
a. double-lumen endobronchial tube
b. oropharyngeal airway
c. bite block
d. nasopharyngeal airway - ANSWER: b. oropharyngeal airway
,2|Page
Quality control material has published values for pH of 7.20, PO2 of 65 mmHg.
Documentation indicates the range of pH is 0.5% and is 3% for PO2. Machine
results are as follows:
Run 1: pH 7.19, PO2 64
Run 2: pH 7.10, PO2 69
Run 3: pH 7.21, PO2 65
Which quality control run(s) indicate the machine is out of control?
a. Run 1 and 2
b. Run 2 and 3
c. Run 3 only
d. Run 2 only - ANSWER: d. Run 2 only
A respiratory therapist is considering a patient's readiness to wean from mechanical
ventilation. To determine the A-aDO2, the therapist will need which of the
following?
a. ABG and alveolar oxygen tension
b. VD/VT and PAO2
c. CaO2 and PAO2
d. VD/VT and ABG - ANSWER: a. ABG and alveolar oxygen tension
A patient with increased airway resistance from a fixed upper airway obstruction
would benefit most from which of the following?
a. bronchodilator therapy
b. epinephrine
c. heliox therapy
d. aerosolized atropine - ANSWER: c. heliox therapy
,3|Page
Evaluating MIP (maximum inspiratory pressure) is most useful in evaluating
which of the following?
a. presence of a restrictive pulmonary defect
b. effectiveness of cough
c. presence of obstructive pulmonary defect
d. inspiratory muscle strength - ANSWER: d. inspiratory muscle strength
An air-entrainment jet nebulizer is set at 50%. The respiratory therapist analyzes
the oxygen coming from the end of the tubing and finds it is 60%. Which of the
following most likely explains this finding?
a. poorly calibrate analyzer
b. excess water in the tubing
c. low flow through the jet orifice
d. leak in the tubing - ANSWER: b. excess water in the tubing
During a preoperational test of the ventilator with a test lung, the respiratory
therapist notes a return tidal volume of 600 cc. Ventilator settings are:
Mode: Assist/control
FiO2: 0.50
Mandatory rate: 10
VT: 750 mL
What action should the therapist take?
a. examine the ventilator circuit for proper connections
b. obtain a larger test lung
c. increase the set tidal volume to 900 mL
d. obtain a smaller test lung - ANSWER: a. examine the ventilator circuit for
proper connections
, 4|Page
During the preoperational test of the ventilator, the respiratory therapist notices the
galvanic analyzer on the ventilator is reading erroneously low. Which of the
following can the respiratory therapist do to correct the problem?
a. replace the analyzer batteries
b. replace the electrolyte solution in the analyzer
c. tag the ventilator as non-functional and avoid placing it in service
d. change the fuel cell - ANSWER: d. change the fuel cell
Which of the following is most likely to increase nosocomial infection in a
hospital?
a. use of an HME for 48 hours
b. poor hand washing among staff
c. frequent disconnection in the ventilator circuit
d. use of alcohol-based hand cleaners - ANSWER: b. poor hand washing among
staff
While monitoring a patient receiving mechanical ventilation, the respiratory
therapist notices the low-pressure and low exhaled volume alarms are sounding.
Which of the following could be the cause?
a. kinked endotracheal tube
b. disconnected thermistor line
c. excess water in the inspiratory limb of the circuit
d. herniated endotracheal tube cuff - ANSWER: b. disconnected thermistor line
A patient receiving positive pressure ventilation has a low-pressure alarm
sounding. Which of the following could be the cause?
a. a fracture in the plastic wye
