TMC Test Practice Questions and Correct
Answers
Which of the following would be most beneficial in resolving microatelectasis?
A. Percutaneous Ventilation
B. Thoracentesis
C. Bronchoscopy
D. Chest Tubes
✓ ~~~ C. Bronchoscopy
The RT 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
C. Spousal Support
D. English speaking proficiency
✓ ~~~ A. Manual Dexterity
A 45-year-old patient is recovering in the ICU after undergoing a surgical procedure
to repair a hernia. The patient remains unconscious. To prevent soft tissue
obstruction, the RT should recommend a(n)
A. Oropharyngeal Airway
B. Nasopharyngeal Airway
C. Bite Block
D. Double-lumen Endobronchial Tube
✓ ~~~ A. Oropharyngeal Airway
Double lumen endobronchial tube could also work but is too invasive and is
unnecessary.
Quality Control material has published values for PH of 7.20, PO2 of 65 mmHg.
Documentation indicates that 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?
✓ ~~~ Run 2 Only.
An RT is considering a patients readiness to wean from mechanical ventilation. To
determine the A-aDO2, The therapist will need which of the following?
A. CaO2 & PAO2
B. ABG and Alveolar oxygen tension
C. VD/VT and PAO2
D. VD/VT and ABG
, ✓ ~~~ B. ABG and alveolar oxygen tension.
A Patient with an increased airway resistance from a fixed upper airway obstruction
would benefit most from which of the following?
A. aerosolized atropine
B. bronchodialator Therapy
C. Epinepherine
D. Heliox Therapy
✓ ~~~ D. Heliox Therapy
Evaluating MIP (maximum inspiratory pressure) is most useful in evaluating which of
the following?
A. presence of obstructive pulmonary defect
B. presence of a restrictive pulmonary defect
C. inspiratory muscle strength
D. effectiveness of cough
✓ ~~~ C. Inspiratory Muscle strength
An air-entrainment jet nebulizer is set at 50%. The RT 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. Leak in the tubing
B. Excess water in the tubing
C. Poorly Calibrated analyzer
D. Low Flow through the jet orifice
✓ ~~~ B. Excess water in the tubing
During a preoperational test of the ventilator with a test lung, the RT notes a return
VT of 600 cc. Ventilator settings are:
Mode- Assist/Control
FiO2- .50
Mandatory rate- 10
VT- 750 mL
What action should the therapist take?
A. Increase the set VT to 900 mL
B. examine the ventilator circuit for proper connections
C. Obtain a larger test lung
D. Obtain a smaller test lung
✓ ~~~ B. Examine the ventilator circuit for proper connections
During the peroperational test of the ventilator, the RT noices the galvanic analyzer
is reading erroneously low. Which of the following can the RT do to correct the
problem?
A. replace the analyzer batteries
B. tag the ventilator as non-functional and avoid placing it in service.
C. Change the fuel cell
D. replace the electrolyte solution in the analyzer
, ✓ ~~~ C. Change the fuel cell.
which of the following is most likely to increase nosocomial infection in a hospital?
A. poor handwashing among staff
B. Use of an HME for 48 hours
C. Frequent disconnection of the ventilator circuit
D. Use of alcohol-based hand cleaners
✓ ~~~ A. Poor handwashing among staff
While monitoring a patient receiving mechanical ventilation, the RT notices the low-
pressure and low exhaled volume alarms are sounding. Which of the following could
be the cause?
A. disconnected thermistor line
B. Kinked ETT
C. Herniated ETT Cuff
D. Excess water in the inspiratory limb of the circuit
✓ ~~~ A. Disconnected thermistor line
A patient receiving positive-pressure ventilation has a low-pressure alarm sounding.
Which of the following could be the cause?
A. excess secretions in the airway
B. herniated cuff
C. kinked ET Tube
D. a Fracture in the plastic wye
✓ ~~~ D. fracture in the plastic wye
The High-pressure alarm is sounding on a patient receiving volume-controlled
ventilation. The RT should FIRST:
A. provide manual ventilation
B. Cancel the alarm.
C. Suction the patient
D. Observe the alarm panel to determine source
✓ ~~~ A. Provide manual ventilation
Which of the following medications is shown to have sufficient affect when facial
muscle twitching is observed?
A. Curare (d-turbo curare)
B. Halcion
C. Anectine (succinylcholine chloride)
D. Romazicon
✓ ~~~ C. Anectine (succinylcholine chloride)
An RT is preparing to measure SVC on a patient in the emergency department.
Which of the following equipment is required?
A. Geissler Tube
B. Wheatstone Bridge
C.Collins water-seal spirometer
D.Respirometer
, ✓ ~~~ D. Respirometer
An RT is asked to determine a patients inspiratory muscle strength. Which of the
following equipment is required for this evaluation?
A. peak flow meter
B. Fleisch Pneumotachometer
C. Respirometer
D. pressure manometer
✓ ~~~ D. pressure Manometer
An RT is ordered to do a bedside assessment of the effectiveness of a
bronchodilator on a patient with an acute asthmatic episode. Which of the following
equipment will be needed to perform this evaluation?
A. Collins water-seal spirometer
B. respirometer
C. Peak flow meter
D. Maximum inspiratory pressure manometer
✓ ~~~ C. Peak flow meter
Which of the following pressures is most consistent with a normal pulmonary artery
pressure (PAP)?
A. 25/8 mmHg
B. 12/8 mmHg
C. 25/4 mmHg
D. 120/80 mmHg
✓ ~~~ 25/8 mmHg
A patient receiving heliox therapy at 70%/30% mixture by non-rebreathing mask has
the following arterial blood gas results:
Which of the following actions is appropriate?
A. switch to a partial rebreathing mask
B. discontinue heliox therapy
C. change to an 80%20% heliox mixture
D. change to a heliox mixture of 60%/40%
✓ ~~~ C. change to an 80%20% heliox mixture
A COPD patient complains of shortness of breath while exercising with a 2 L/min
nasal cannula. During exercise, SPO2 is noted to fall to 84%. Which of the following
would be most helpful to the patient during exercise?
A. use an air-entrainment mask set at 28%
B. avoid exercising
C. decrease flow to 1 L/min nasal cannula
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