TMC (LINDSEY JONES) RANDOM
QUESTIONS WITH CORRECT ANSWERS
Inspiratory muscle strength - ANSWER-Evaluating MIP (maximum inspiratory pressure)
is most useful in evaluating which of the following?
a. effectiveness of cough
b. inspiratory muscle strength
c. presence of a restrictive pulmonary defect
d. presence of obstructive pulmonary defect
Pulmonary vascular resistance is increased due to hypoxemia and acidosis - ANSWER-
A patient diagnosed with ARDS is on a ventilator at the following parameters:
MODE PC
PIP 28 cmH2O
PEEP 15 cmH2O
FIO2 0.55
IT 1.1 sec
Hemodynamic data shows the following:
CVP 9 torr
mPAP 24 torr
PWP 9 torr
C.O. 5.4 L/min
Arterial blood gas analaysis reveals:
pH 7.28
PaCO2 38 torr
PaO2 55 torr
HCO3 17 mEq/L
BE -8
Which of the following most likely represents the patient's condition?
a. fluid overload
b. pulmonary vascular resistance is increased due to hypoxemia and acidosis
c. mitral valve stenosis
d. cor plmonale
7 - ANSWER-five minutes after birth, the following is observed on a 38 weeks of
gestation infant
HR 120/min
Appearance: pink all over
Activity: some flexion of the extremeties
Grimace: grimace noted
Respiration: weak cry
, What is the infant's 5-minute APGAR score?
a. 7
b. 8
c. 5
d. 6
popping or crackling sensation - ANSWER-A mal-positioned tracheostomy tube is
detected by chest radiograph for a patient who is still receiving partial ventilation
through the tube. Subcutaneous emphysema is present in the upper chest. Palpation of
the affected area would produce?
a soft tissue hyperlucency
b popping or crackling sensations
c dry crackles
d air accumulation below the skin
physiological dead space is increasing - ANSWER-The patient has a PetCO2that has
been decreasing over the last several hours while PaCO2roughly remains unchanged.
VD/VT has been climbing and is currently at 38%. Which of the following can be
concluded?
a. anatomical dead space is decreasing
b. a pleural effusion is likely present
c. physiological dead space is increasing
d. anatomical dead space is increasing
ph. 7.48
PaCO2 50 mmHg
PaO2 51 mmHg
HCO3
34 mEq/L - ANSWER-Which of the following ABG results would the respiratory therapist
expect to see for a patient who is experiencing an acute on chronic episode with known
COPD?
a. ph. 7.48, PaCO2 50 mmHg, PaO2 51 mmHg, HCO3
34 mEq/L
b. pH7.51, PaCO2 35, PaO2 60, HCO3 29
c. pH7.33, PaCO255, PaO2 52, HCO3 30
d. pH 7.28, PaCO2 62, PaO2 49, HCO3 33
nitrogen washout - ANSWER-Which of the following exams can be used to quantify
pulmonary residual volume (RV) on a patient?
a. force expiratory volume manuever
b. DLCO
c. nitrogen washout
d. single breath nitrogen elimination
QUESTIONS WITH CORRECT ANSWERS
Inspiratory muscle strength - ANSWER-Evaluating MIP (maximum inspiratory pressure)
is most useful in evaluating which of the following?
a. effectiveness of cough
b. inspiratory muscle strength
c. presence of a restrictive pulmonary defect
d. presence of obstructive pulmonary defect
Pulmonary vascular resistance is increased due to hypoxemia and acidosis - ANSWER-
A patient diagnosed with ARDS is on a ventilator at the following parameters:
MODE PC
PIP 28 cmH2O
PEEP 15 cmH2O
FIO2 0.55
IT 1.1 sec
Hemodynamic data shows the following:
CVP 9 torr
mPAP 24 torr
PWP 9 torr
C.O. 5.4 L/min
Arterial blood gas analaysis reveals:
pH 7.28
PaCO2 38 torr
PaO2 55 torr
HCO3 17 mEq/L
BE -8
Which of the following most likely represents the patient's condition?
a. fluid overload
b. pulmonary vascular resistance is increased due to hypoxemia and acidosis
c. mitral valve stenosis
d. cor plmonale
7 - ANSWER-five minutes after birth, the following is observed on a 38 weeks of
gestation infant
HR 120/min
Appearance: pink all over
Activity: some flexion of the extremeties
Grimace: grimace noted
Respiration: weak cry
, What is the infant's 5-minute APGAR score?
a. 7
b. 8
c. 5
d. 6
popping or crackling sensation - ANSWER-A mal-positioned tracheostomy tube is
detected by chest radiograph for a patient who is still receiving partial ventilation
through the tube. Subcutaneous emphysema is present in the upper chest. Palpation of
the affected area would produce?
a soft tissue hyperlucency
b popping or crackling sensations
c dry crackles
d air accumulation below the skin
physiological dead space is increasing - ANSWER-The patient has a PetCO2that has
been decreasing over the last several hours while PaCO2roughly remains unchanged.
VD/VT has been climbing and is currently at 38%. Which of the following can be
concluded?
a. anatomical dead space is decreasing
b. a pleural effusion is likely present
c. physiological dead space is increasing
d. anatomical dead space is increasing
ph. 7.48
PaCO2 50 mmHg
PaO2 51 mmHg
HCO3
34 mEq/L - ANSWER-Which of the following ABG results would the respiratory therapist
expect to see for a patient who is experiencing an acute on chronic episode with known
COPD?
a. ph. 7.48, PaCO2 50 mmHg, PaO2 51 mmHg, HCO3
34 mEq/L
b. pH7.51, PaCO2 35, PaO2 60, HCO3 29
c. pH7.33, PaCO255, PaO2 52, HCO3 30
d. pH 7.28, PaCO2 62, PaO2 49, HCO3 33
nitrogen washout - ANSWER-Which of the following exams can be used to quantify
pulmonary residual volume (RV) on a patient?
a. force expiratory volume manuever
b. DLCO
c. nitrogen washout
d. single breath nitrogen elimination
