RED CROSS INSTRUCTOR COMPREHENSIVE 2026 EXAM
QUESTIONS AND SOLUTIONS RATED A+
✔✔Chest compression fraction - ✔✔The total percentage of time during a resuscitation
attempt in which active chest compressions are being performed.
needs to be at least 60% with a goal of 80
✔✔You should expect to see an ETCO2 value less than ___ in the presence of
hyperventilation.
Select the correct answer to this question.
35 mmHg
40 mmHg
45 mmHg
50 mmHg - ✔✔1
✔✔2 Which underlying mechanism can lead to hypoxia in a patient with a right shift of
the oxygen-hemoglobin dissociation curve?
Select the correct answer to this question.
Increased affinity for oxygen binding
Decreased affinity for oxygen binding
Decreased affinity for oxygen offloading
Increased affinity for oxygen binding and decreased affinity for oxygen offloading - ✔✔2
✔✔Hyperventilation leads to alkalosis and a _______ shift of the oxygen-hemoglobin
dissociation curve. - ✔✔left
✔✔4 On rapid assessment, you note that your patient has increased work of breathing,
as evidenced by tripod positioning, an inability to speak more than one or two words at
a time and diaphoresis. What assessments should you obtain as part of your primary
assessment?
Airway patency
12-Lead ECG
Pulse oximetry
Vital signs - ✔✔3,4
✔✔Changes in which of the following can affect the rate and depth of breathing?
Select all correct options that apply.
Arterial pH
Arterial oxygen levels
Arterial carbon monoxide levels
, Arterial carbon dioxide levels
Venous oxygen levels - ✔✔1,2,4
✔✔What is the body's primary muscle of inspiration?
Select the correct answer to this question.
Upper trapezius
Diaphragm
Pectoralis
External oblique
Scalene - ✔✔2
✔✔7 When assessing a patient with respiratory compromise, it is important to
determine where the patient is on the continuum of respiratory compromise.
True
False - ✔✔True
✔✔8 Which non-respiratory differential diagnoses would you consider when assessing
a patient with respiratory compromise?
Select all correct options that apply.
Acute valvular insufficiency
Gastrointestinal bleeding
Cardiac tamponade
Cholelithiasis
Cardiogenic pulmonary edema - ✔✔1,3,5
✔✔10 In a patient who is showing signs and symptoms of respiratory compromise, you
should provide the minimum level of supplemental oxygen needed to maintain an
oxygen saturation of at least:
Select the correct answer to this question.
80%.
85%.
90%.
94%. - ✔✔4
✔✔What is the capnography waveform a graphical representation of?
Select the correct answer to this question.
The movement of carbon dioxide through the respiratory system
The peak end-tidal carbon dioxide level
The movement of oxygen through the respiratory system
The movement of oxygen and carbon dioxide through the respiratory system - ✔✔1
QUESTIONS AND SOLUTIONS RATED A+
✔✔Chest compression fraction - ✔✔The total percentage of time during a resuscitation
attempt in which active chest compressions are being performed.
needs to be at least 60% with a goal of 80
✔✔You should expect to see an ETCO2 value less than ___ in the presence of
hyperventilation.
Select the correct answer to this question.
35 mmHg
40 mmHg
45 mmHg
50 mmHg - ✔✔1
✔✔2 Which underlying mechanism can lead to hypoxia in a patient with a right shift of
the oxygen-hemoglobin dissociation curve?
Select the correct answer to this question.
Increased affinity for oxygen binding
Decreased affinity for oxygen binding
Decreased affinity for oxygen offloading
Increased affinity for oxygen binding and decreased affinity for oxygen offloading - ✔✔2
✔✔Hyperventilation leads to alkalosis and a _______ shift of the oxygen-hemoglobin
dissociation curve. - ✔✔left
✔✔4 On rapid assessment, you note that your patient has increased work of breathing,
as evidenced by tripod positioning, an inability to speak more than one or two words at
a time and diaphoresis. What assessments should you obtain as part of your primary
assessment?
Airway patency
12-Lead ECG
Pulse oximetry
Vital signs - ✔✔3,4
✔✔Changes in which of the following can affect the rate and depth of breathing?
Select all correct options that apply.
Arterial pH
Arterial oxygen levels
Arterial carbon monoxide levels
, Arterial carbon dioxide levels
Venous oxygen levels - ✔✔1,2,4
✔✔What is the body's primary muscle of inspiration?
Select the correct answer to this question.
Upper trapezius
Diaphragm
Pectoralis
External oblique
Scalene - ✔✔2
✔✔7 When assessing a patient with respiratory compromise, it is important to
determine where the patient is on the continuum of respiratory compromise.
True
False - ✔✔True
✔✔8 Which non-respiratory differential diagnoses would you consider when assessing
a patient with respiratory compromise?
Select all correct options that apply.
Acute valvular insufficiency
Gastrointestinal bleeding
Cardiac tamponade
Cholelithiasis
Cardiogenic pulmonary edema - ✔✔1,3,5
✔✔10 In a patient who is showing signs and symptoms of respiratory compromise, you
should provide the minimum level of supplemental oxygen needed to maintain an
oxygen saturation of at least:
Select the correct answer to this question.
80%.
85%.
90%.
94%. - ✔✔4
✔✔What is the capnography waveform a graphical representation of?
Select the correct answer to this question.
The movement of carbon dioxide through the respiratory system
The peak end-tidal carbon dioxide level
The movement of oxygen through the respiratory system
The movement of oxygen and carbon dioxide through the respiratory system - ✔✔1
