TMC Practice Exam Questions And Answers
Verified 100% Correct Updated 2027
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 - ANSWER -5 to 15
While monitoring a newborn utilizing a transcutaneous monitor, you notice 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 - ANSWER -Air leak around the sensor
A patient on the general medical ward is on a 28% air entrainment mask with the
flowmeter set at 5 L/min. What is the total flow delivered to the patient?
A. 5 L/min
B. 55 L/min
C. 88 L/min
D. 140 L/min - ANSWER -55/Lmin
Which of the following measurements is most indicative of pulmonary edema?
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 Hg - ANSWER -Pulmonary
capillary wedge pressure of 30 mm Hg
Sleep apnea can be defined as repeated episodes of complete cessation of airflow
for
A. 5 seconds or longer.
B. 10 seconds or longer.
C. 15 seconds or longer.
D. 20 seconds or longer. - ANSWER -10 seconds or longer
A patient in the ICU receiving mechanical ventilation has just undergone a
fiberoptic bronchoscopy procedure in which a tissue biopsy was collected.
Immediately following the procedure, the respiratory therapist notes that the peak
inspiratory pressure on the ventilator has increased. Potential causes for this
include all of the following EXCEPT
A. hypoxemia.
B. pneumothorax.
C. pulmonary hemorrhage.
D. bronchospasm/laryngospasm. - ANSWER -hypoxemia
What size endotracheal tube would be appropriate for an adult female patient?
A. 6.0 to 6.5 mm
B. 6.5 to 7.0 mm
C. 7.0 to 7.5 mm
D. 7.5 to 8.0 mm - ANSWER -7.0 to 7.5 mm
The respiratory therapist has been asked to measure Auto-PEEP on a patient
receiving mechanical ventilation. In order to do this, the therapist should
A. initiate an inspiratory hold just after the next ventilator-delivered breath.
B. initiate an expiratory hold just prior to the next ventilator-delivered breath.
C. subtract Pplat from Pdyn.
,D. subtract set PEEP from the measured Pplat. - ANSWER -initiate an expiratory
hold just prior to the next ventilator-delivered breath.
A patient who suffered trauma in an ATV accident is being monitored in the ICU.
A pulmonary artery catheter has been placed and the following data is available:
PvO2 46 torr
PCWP 19 mm Hg
PAP (mean) 10 mm Hg
CVP 12 cm H2O
Cardiac Output 3L/min
The respiratory therapist should recommend
1. IV fluid challenge
2. positive inotropic agent
3. inhaled nitric oxide
4. diuretic therapy - ANSWER -2 and 4
What is the primary advantage of volume-controlled ventilation as compared to
pressure-controlled ventilation?
A. VC limits and controls PIP.
B. VC provides a constant minute ventilation.
C. VC ensures better patient-ventilator synchrony.
D. VC delivers a decelerating flow pattern. - ANSWER -VC provides a constant
minute ventilation.
Bronchial breath sounds heard over the lung periphery indicate
A. narrowed airways.
B. obstructed bronchi.
C. lung consolidation.
D. pulmonary edema. - ANSWER -lung consolidation.
, During a pre-operative evaluation, bedside spirometry results are as follows: FVC
88% of predicted, FEV1 85% of predicted, FEV1/FVC 82% of predicted and
FEF25-75 81% of predicted. How should the respiratory therapist interpret these
results?
A. a mild restrictive disorder
B. a mild obstructive disorder
C. normal lung function
D. mixed obstructive/restrictive disorder - ANSWER -normal lung function
A 55 year-old male patient is being evaluated for pulmonary rehabilitation. During
a cycle ergometer cardiopulmonary stress procedure, the patient has a heart rate of
100/min and a respiratory rate of 20/min. He suddenly begins to complain of chest
pain and severe shortness of breath. The respiratory therapist should
A. reduce the speed of the bike.
B. administer supplemental oxygen.
C. gradually reduce the workload and monitor closely.
D. terminate the procedure immediately. - ANSWER -terminate the procedure
immediately.
At 1 minute post-delivery, a newborn has blue extremities with a pink body, heart
rate is 90/min, respiratory rate is 20/min with a weak cry, cough reflex is present,
and there is some flexion of the extremities. At 5 minutes post-delivery, the infant
is completely pink, heart rate is 140/min, respiratory rate is 40/min, cough reflex is
present, and the baby is active with a strong cry. What APGAR scores should be
assigned?
A. 4 & 8
B. 5 & 9
C. 5 & 10
D. 6 & 10 - ANSWER -6 & 10
Verified 100% Correct Updated 2027
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 - ANSWER -5 to 15
While monitoring a newborn utilizing a transcutaneous monitor, you notice 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 - ANSWER -Air leak around the sensor
A patient on the general medical ward is on a 28% air entrainment mask with the
flowmeter set at 5 L/min. What is the total flow delivered to the patient?
A. 5 L/min
B. 55 L/min
C. 88 L/min
D. 140 L/min - ANSWER -55/Lmin
Which of the following measurements is most indicative of pulmonary edema?
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 Hg - ANSWER -Pulmonary
capillary wedge pressure of 30 mm Hg
Sleep apnea can be defined as repeated episodes of complete cessation of airflow
for
A. 5 seconds or longer.
B. 10 seconds or longer.
C. 15 seconds or longer.
D. 20 seconds or longer. - ANSWER -10 seconds or longer
A patient in the ICU receiving mechanical ventilation has just undergone a
fiberoptic bronchoscopy procedure in which a tissue biopsy was collected.
Immediately following the procedure, the respiratory therapist notes that the peak
inspiratory pressure on the ventilator has increased. Potential causes for this
include all of the following EXCEPT
A. hypoxemia.
B. pneumothorax.
C. pulmonary hemorrhage.
D. bronchospasm/laryngospasm. - ANSWER -hypoxemia
What size endotracheal tube would be appropriate for an adult female patient?
A. 6.0 to 6.5 mm
B. 6.5 to 7.0 mm
C. 7.0 to 7.5 mm
D. 7.5 to 8.0 mm - ANSWER -7.0 to 7.5 mm
The respiratory therapist has been asked to measure Auto-PEEP on a patient
receiving mechanical ventilation. In order to do this, the therapist should
A. initiate an inspiratory hold just after the next ventilator-delivered breath.
B. initiate an expiratory hold just prior to the next ventilator-delivered breath.
C. subtract Pplat from Pdyn.
,D. subtract set PEEP from the measured Pplat. - ANSWER -initiate an expiratory
hold just prior to the next ventilator-delivered breath.
A patient who suffered trauma in an ATV accident is being monitored in the ICU.
A pulmonary artery catheter has been placed and the following data is available:
PvO2 46 torr
PCWP 19 mm Hg
PAP (mean) 10 mm Hg
CVP 12 cm H2O
Cardiac Output 3L/min
The respiratory therapist should recommend
1. IV fluid challenge
2. positive inotropic agent
3. inhaled nitric oxide
4. diuretic therapy - ANSWER -2 and 4
What is the primary advantage of volume-controlled ventilation as compared to
pressure-controlled ventilation?
A. VC limits and controls PIP.
B. VC provides a constant minute ventilation.
C. VC ensures better patient-ventilator synchrony.
D. VC delivers a decelerating flow pattern. - ANSWER -VC provides a constant
minute ventilation.
Bronchial breath sounds heard over the lung periphery indicate
A. narrowed airways.
B. obstructed bronchi.
C. lung consolidation.
D. pulmonary edema. - ANSWER -lung consolidation.
, During a pre-operative evaluation, bedside spirometry results are as follows: FVC
88% of predicted, FEV1 85% of predicted, FEV1/FVC 82% of predicted and
FEF25-75 81% of predicted. How should the respiratory therapist interpret these
results?
A. a mild restrictive disorder
B. a mild obstructive disorder
C. normal lung function
D. mixed obstructive/restrictive disorder - ANSWER -normal lung function
A 55 year-old male patient is being evaluated for pulmonary rehabilitation. During
a cycle ergometer cardiopulmonary stress procedure, the patient has a heart rate of
100/min and a respiratory rate of 20/min. He suddenly begins to complain of chest
pain and severe shortness of breath. The respiratory therapist should
A. reduce the speed of the bike.
B. administer supplemental oxygen.
C. gradually reduce the workload and monitor closely.
D. terminate the procedure immediately. - ANSWER -terminate the procedure
immediately.
At 1 minute post-delivery, a newborn has blue extremities with a pink body, heart
rate is 90/min, respiratory rate is 20/min with a weak cry, cough reflex is present,
and there is some flexion of the extremities. At 5 minutes post-delivery, the infant
is completely pink, heart rate is 140/min, respiratory rate is 40/min, cough reflex is
present, and the baby is active with a strong cry. What APGAR scores should be
assigned?
A. 4 & 8
B. 5 & 9
C. 5 & 10
D. 6 & 10 - ANSWER -6 & 10
