TMC EXAM C 140 QUESTIONS WITH 100%
CORRECT ANSWERS COMPLETE SOLUTION
A RT is assisting a physician with endotracheal intubation. Which of the following should
be used initially to confirm tracheal intubation?
a. cm marking of the ET tube
b. observable condensation in the tube
c. pulse oximetry
d. colormetric capnography ...ANSWER...D
A RT is asked to review a newborn's history. The following information is available
about the first few minutes after birth
1 min 5 min
Appearance acrocyanosis pink
Heart Rate 70 110
Reflex cough cough
Muscle Tone weak active
RR 20 40
Which of the following APGAR scores should the therapist expect to see for this infant?
1 min 5 min
1. 4 8
2. 5 8
3. 6 10
4. 7 10
a. 1
b. 2
c. 3
d. 4 ...ANSWER...C
A 58-year-old female was diagnosed with bronchiectasis 3 years ago. She reports
increased cough and difficulty clearing secretions for the past 4 weeks. A chest
radiograph shown no significant changes. Which of the following should the RT
recommend FIRST?
a. transtracheal aspiration
b. airway clearance therapy
c. bronchodilator treatments
d. respiratory isolation ...ANSWER...B
,A 24-year-old female is diagnosed with exercise-induced asthma and albuterol PRN is
ordered. A RT should NEXT
a. refer the pt for allergy skin testing
b. educate the pt on obtaining daily peak flow measurements
c. instruct the pt to use albuterol 15min before exercising
d. suggest the pt use pursed lip breathing while exercising ...ANSWER...C
In which of the following circumstances will tracheal secretions tend to dry in an
intubated pt?
a. a water vapor pressure of 47mmHg
b. a relative humidity of 100% at 22 degrees Celsius (71.6 degrees F)
c. a dew point of 36 degrees C (98.6 degrees F)
d. an absolute humidity of 44mg/L ...ANSWER...B
Prior to suctioning the ET tube of an adult pt who is receiving ventilation with an FiO2 of
40%, a RT should FIRST
a. lubricate the catheter
b. hyper oxygenate the pt
c. cleanse the catheter with water
d. administer an FiO2 of 40% by T-piece ...ANSWER...B
A 25-year-old patient with apnea is receiving PC ventilation. ABG analysis results are as
follows:
pH 7.20PCO2 65 mm HgPO2 70 mm HgHCO3- 25 mEq/LBE -4 mEq/LSO2 (calc) 94%
A respiratory therapist should recommend increasing the
A.
set inspiratory pressure.
B.
expiratory time.
C.
sensitivity.
D.
peak flow. ...ANSWER...A
A 68-year-old patient who is post-CABG was extubated 4 hours ago and complains of
increasing shortness of breath. Breath sounds are decreased over the right lung field.
The following data are available while the patient receives 4-L oxygen by nasal cannula:
HR 103/minRR 27/minBP 155/90 mm HgSpO2 90%
Which of the following studies should a respiratory therapist recommend FIRST?
A.
,bedside spirometry
B.
chest CT with contrast
C.
ventilation/perfusion scan
D.
chest radiograph ...ANSWER...D
Which of the following medications should a respiratory therapist use to anesthetize a
patient's airway prior to a flexible bronchoscopy procedure?
A.
lidocaine HCl
B.
midazolam HCl (Versed)
C.
ketamine (Ketalar)
D.
vecuronium bromide (Norcuron) ...ANSWER...A
A respiratory therapist is evaluating a 75-kg (165-lb), 180-cm (5-ft 11-in) male who is
receiving VC, SIMV. The following patient data are obtained:
FIO2 0.40Mandatory rate 8Total rate 8VT 550 mLPEEP 8 cm H2O pH 7.27PaCO2 55
mm HgPaO2 94 mm HgHCO3- 25 mEq/LBE -3 mEq/LSaO2 (calc)
97%
Which of the following should the therapist recommend?
A.
Maintain current settings.
B.
Increase the mandatory rate to 12.
C.
Decrease the FIO2 to 0.30.
D.
Decrease the tidal volume to 450 mL. ...ANSWER...B
A 63-year-old patient with COPD is seen in the pulmonary clinic for a routine
appointment. The analysis results of an ABG sample drawn while the patient is
breathing air are:
pH 7.40PCO2 57 mm HgPO2 42 mm HgHCO3- 35 mEq/LBE +8 mEq/LSO2 (calc) 77%
Which of the following is the most appropriate NEXT step?
, A.
Schedule polysomnography.
B.
Initiate supplemental oxygen.
C.
Perform a 6-minute walk test.
D.
Coach on deep breathing. ...ANSWER...B
A pulse oximeter can provide an accurate indication of a patient's oxyhemoglobin
saturation in which of the following clinical conditions?
1. congestive heart failure
2. polycythemia
3. pulmonary hypertension
4. carbon monoxide poisoning
A.
1, 2, and 3 only
B.
2, 3, and 4 only
C.
1, 2, and 4 only
D.
1, 3, and 4 only ...ANSWER...A
A patient receiving mechanical ventilation by a portable ventilator is being transported
from the ED to radiology. Which of the following is required during transport?
A.
bag-valve mask resuscitator
B.
point-of-care blood gas analyzer
C.
demand valve respirator
D.
crash cart ...ANSWER...A
Mechanical ventilation was initiated for a patient, after which the PaCO2 decreased
from 53 to 40 mm Hg. A respiratory therapist should expect which of the following will
increase?
A.
HCO3-
B.
pH
C.
CORRECT ANSWERS COMPLETE SOLUTION
A RT is assisting a physician with endotracheal intubation. Which of the following should
be used initially to confirm tracheal intubation?
a. cm marking of the ET tube
b. observable condensation in the tube
c. pulse oximetry
d. colormetric capnography ...ANSWER...D
A RT is asked to review a newborn's history. The following information is available
about the first few minutes after birth
1 min 5 min
Appearance acrocyanosis pink
Heart Rate 70 110
Reflex cough cough
Muscle Tone weak active
RR 20 40
Which of the following APGAR scores should the therapist expect to see for this infant?
1 min 5 min
1. 4 8
2. 5 8
3. 6 10
4. 7 10
a. 1
b. 2
c. 3
d. 4 ...ANSWER...C
A 58-year-old female was diagnosed with bronchiectasis 3 years ago. She reports
increased cough and difficulty clearing secretions for the past 4 weeks. A chest
radiograph shown no significant changes. Which of the following should the RT
recommend FIRST?
a. transtracheal aspiration
b. airway clearance therapy
c. bronchodilator treatments
d. respiratory isolation ...ANSWER...B
,A 24-year-old female is diagnosed with exercise-induced asthma and albuterol PRN is
ordered. A RT should NEXT
a. refer the pt for allergy skin testing
b. educate the pt on obtaining daily peak flow measurements
c. instruct the pt to use albuterol 15min before exercising
d. suggest the pt use pursed lip breathing while exercising ...ANSWER...C
In which of the following circumstances will tracheal secretions tend to dry in an
intubated pt?
a. a water vapor pressure of 47mmHg
b. a relative humidity of 100% at 22 degrees Celsius (71.6 degrees F)
c. a dew point of 36 degrees C (98.6 degrees F)
d. an absolute humidity of 44mg/L ...ANSWER...B
Prior to suctioning the ET tube of an adult pt who is receiving ventilation with an FiO2 of
40%, a RT should FIRST
a. lubricate the catheter
b. hyper oxygenate the pt
c. cleanse the catheter with water
d. administer an FiO2 of 40% by T-piece ...ANSWER...B
A 25-year-old patient with apnea is receiving PC ventilation. ABG analysis results are as
follows:
pH 7.20PCO2 65 mm HgPO2 70 mm HgHCO3- 25 mEq/LBE -4 mEq/LSO2 (calc) 94%
A respiratory therapist should recommend increasing the
A.
set inspiratory pressure.
B.
expiratory time.
C.
sensitivity.
D.
peak flow. ...ANSWER...A
A 68-year-old patient who is post-CABG was extubated 4 hours ago and complains of
increasing shortness of breath. Breath sounds are decreased over the right lung field.
The following data are available while the patient receives 4-L oxygen by nasal cannula:
HR 103/minRR 27/minBP 155/90 mm HgSpO2 90%
Which of the following studies should a respiratory therapist recommend FIRST?
A.
,bedside spirometry
B.
chest CT with contrast
C.
ventilation/perfusion scan
D.
chest radiograph ...ANSWER...D
Which of the following medications should a respiratory therapist use to anesthetize a
patient's airway prior to a flexible bronchoscopy procedure?
A.
lidocaine HCl
B.
midazolam HCl (Versed)
C.
ketamine (Ketalar)
D.
vecuronium bromide (Norcuron) ...ANSWER...A
A respiratory therapist is evaluating a 75-kg (165-lb), 180-cm (5-ft 11-in) male who is
receiving VC, SIMV. The following patient data are obtained:
FIO2 0.40Mandatory rate 8Total rate 8VT 550 mLPEEP 8 cm H2O pH 7.27PaCO2 55
mm HgPaO2 94 mm HgHCO3- 25 mEq/LBE -3 mEq/LSaO2 (calc)
97%
Which of the following should the therapist recommend?
A.
Maintain current settings.
B.
Increase the mandatory rate to 12.
C.
Decrease the FIO2 to 0.30.
D.
Decrease the tidal volume to 450 mL. ...ANSWER...B
A 63-year-old patient with COPD is seen in the pulmonary clinic for a routine
appointment. The analysis results of an ABG sample drawn while the patient is
breathing air are:
pH 7.40PCO2 57 mm HgPO2 42 mm HgHCO3- 35 mEq/LBE +8 mEq/LSO2 (calc) 77%
Which of the following is the most appropriate NEXT step?
, A.
Schedule polysomnography.
B.
Initiate supplemental oxygen.
C.
Perform a 6-minute walk test.
D.
Coach on deep breathing. ...ANSWER...B
A pulse oximeter can provide an accurate indication of a patient's oxyhemoglobin
saturation in which of the following clinical conditions?
1. congestive heart failure
2. polycythemia
3. pulmonary hypertension
4. carbon monoxide poisoning
A.
1, 2, and 3 only
B.
2, 3, and 4 only
C.
1, 2, and 4 only
D.
1, 3, and 4 only ...ANSWER...A
A patient receiving mechanical ventilation by a portable ventilator is being transported
from the ED to radiology. Which of the following is required during transport?
A.
bag-valve mask resuscitator
B.
point-of-care blood gas analyzer
C.
demand valve respirator
D.
crash cart ...ANSWER...A
Mechanical ventilation was initiated for a patient, after which the PaCO2 decreased
from 53 to 40 mm Hg. A respiratory therapist should expect which of the following will
increase?
A.
HCO3-
B.
pH
C.
