TMC Practice exam Questions and
answers. 100% Accurate. Rated A+
A patient on VC ventilation demonstrates auto-PEEP on ventilator graphics. Which of the following
controls, when adjusted independently, would increas
...
TMC Practice exam Questions and
answers. 100% Accurate. Rated A+
A patient on VC ventilation demonstrates auto-PEEP on ventilator graphics. Which of the following
controls, when adjusted independently, would increase expiratory time?
1. Tidal volume
2. Respiratory Rate
3. Inspiratory flow
4. Sensitivity - ✔✔-*A. 1, 2, and 3 only
B. 1, 2, and 4 only
C. 1, 3, and 4 only
D. 2, 3, and 4 only
Which of the following would be the most appropriate therapy for a dyspneic patient who has crepitus
with tracheal deviation to the left and absent breath sounds on the right? - ✔✔-A. Perform chest
physiotherapy
B. Administer an IPPB treatment
C. Insert an endotracheal tube
*D. Insert a chest tube
Following cardiac surgery, a 55 year-old patient has the following ABG results: pH 7.50, PaCO2 30 torr,
PaO2 62 torr, HCO3 25 mEq/L, SaO2 92%, HB 14 g/dL, BE +2. Venous blood gas results are pH 7.39,
PvCO2 43 torr, PvO2 37 torr, and SvO2 66%. Calculate the patient's C(a-v)O2. - ✔✔-A. 2.5 vol%
B. 4.0 vol%
*C. 5.0 vol%
D. 5.5 vol%
Immediately after extubation of a patient in the ICU, the respiratory therapist observes increasing
respiratory distress with intercostal retractions and marked stridor. The SpO2 on 40% oxygen is noted to
be 76%. Which of the following would be most appropriate at this time? - ✔✔-A. Cool mist aerosol
treatment
B. Aerosolized racemic epinephrine
C. Manual ventilation with resuscitation bag and mask
*D. Reintubation
A patient receiving mechanical ventilation has developed a temperature of 99.9° F with purulent
secretions over the last 12 hours. The respiratory therapist has also noted a steady increase in peak
inspiratory pressure. What initial recommendation should be made to address these changes? - ✔✔-*A.
Initiate bronchial hygiene therapy.
B. Obtain a sputum gram stain.
C. Administer IPV.
D. Insert a CASS tube.
Which of the following information may be obtained from a FVC maneuver during bedside pulmonary
function testing?
1. FEV1
2. PEFR
3. FRC
4. RV - ✔✔-*A. 1 and 2 only
B. 1 and 3 only
C. 2 and 4 only
D. 3 and 4 only
The respiratory therapist provides education for a patient who is being discharged home on aerosol
therapy. The most important reason for the patient to follow the recommended cleaning procedures
using a vinegar/water solution is that this solution will - ✔✔-A. sterilize the equipment.
*B. retard bacterial growth.
C. kill all micro-organisms and spores.
D. extend the equipment life.
Which of the following suction catheters would be appropriate to use for a patient with a size 8.0 mm ID
endotracheal tube? - ✔✔-A. 8 Fr
B. 10 Fr
*C. 12 Fr
D. 14 Fr
A patient who is receiving continuous mechanical ventilation is fighting the ventilator. His breath sounds
are markedly diminished on the left, there is dullness to percussion on the left, and the trachea is shifted
to the left. The most likely explanation for the problem is that - ✔✔-A. the patient is disconnected from
the ventilator.
B. the patient is experiencing diffuse bronchospasm.
*C. the endotracheal tube has slipped into the right main stem bronchus.
D. the patient has developed a left tension pneumothorax.
A patient's breathing pattern irregularly increases and decreases and is interspersed with periods of
apnea up to 1 minute. Which of the following conditions is the most likely cause of this problem? - ✔✔-
A. Diabetes insipidus
B. Renal failure
C. Metabolic acidosis
*D. Elevated intracranial pressure
Kussmauls respiration - ✔✔-Increased rate and depth of breathing over a prolonged period of time.
Response to metabolic acidosis
What value for the apnea-hypopnea index (AHI) is consistent with mild obstructive sleep apnea? - ✔✔-
A. Less than 5
*B. 5 to 15
C. 16 to 30
D. Greater than 30
While monitoring a newborn utilizing a transcutaneous monitor, the respiratory therapist notices a
change in PtcO2 from 60 to 142 torr and simultaneously the PtcCO2 changes from 37 to 2 torr. What is
the most likely explanation for these changes? - ✔✔-A. Upper airway obstruction
B. Poor peripheral perfusion
*C. Air leak around the sensor
D. Device is out of range
Which of the following measurements is most indicative of congestive heart failure? - ✔✔-A. Heart rate
of 120/min
B. Blood pressure of 92/72 mm Hg
C. Pulmonary artery pressure of 25/10 mm Hg
*D. Pulmonary capillary wedge pressure of 30 mm H
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