FISDAP Airway Exam Questions | Verified Answers with
Detailed Rationales (2026/2027 Edition)
SECTION 1: Airway Anatomy, Physiology, and Respiratory Assessment
Question 1
Which anatomical structure is primarily responsible for preventing food and liquid from
entering the trachea during swallowing?
A. The uvula
B. The epiglottis
C. The arytenoid cartilage
D. The cricoid cartilage
Correct Answer: B
Rationale: The epiglottis folds down over the larynx during swallowing to direct food
into the esophagus and protect the airway. The uvula aids in speech and swallowing but
does not seal the trachea, while the arytenoid and cricoid cartilages provide structural
support to the larynx but do not function as airway protectors.
Question 2
During the primary assessment of a 68-year-old patient with respiratory distress, you
observe the patient sitting upright and leaning forward with their hands on their knees.
This positioning is most accurately described as:
A. Fowler's position
B. The tripod position
C. Supine positioning
D. Trendelenburg position
Correct Answer: B
Rationale: The tripod position, characterized by sitting upright with hands on knees,
allows the patient to use accessory muscles of respiration and indicates significant
respiratory distress. Fowler's position is a semi-reclined bed position, supine is lying flat,
and Trendelenburg is head-down positioning.
,Question 3
A patient presents with deep, rapid respirations and a fruity odor on their breath. Which
respiratory pattern is most consistent with this presentation?
A. Cheyne-Stokes respirations
B. Kussmaul respirations
C. Agonal respirations
D. Biot's respirations
Correct Answer: B
Rationale: Kussmaul respirations are deep, rapid breaths associated with metabolic
acidosis, such as diabetic ketoacidosis, often accompanied by a fruity acetone odor.
Cheyne-Stokes demonstrates a waxing and waning pattern, agonal respirations are
irregular and gasping, and Biot's respirations are irregular with periods of apnea.
Question 4
When auscultating lung sounds on a patient with an asthma exacerbation, which sound
is most characteristic of narrowed airways?
A. Crackles
B. Wheezes
C. Rhonchi
D. Stridor
Correct Answer: B
Rationale: Wheezes are high-pitched musical sounds caused by air moving through
narrowed bronchioles, which is the hallmark of asthma. Crackles indicate fluid or
alveolar opening, rhonchi suggest secretions in larger airways, and stridor is an upper
airway sound typically associated with laryngeal or tracheal obstruction.
Question 5
Which of the following best describes the primary physiological difference between
oxygenation and ventilation?
A. Oxygenation refers to CO2 elimination, while ventilation refers to O2 delivery
B. Oxygenation is the process of delivering oxygen to the alveoli and bloodstream, while
ventilation is the mechanical process of moving air in and out of the lungs
C. Oxygenation and ventilation are identical processes that occur simultaneously
, D. Oxygenation requires positive pressure, while ventilation only occurs with negative
pressure
Correct Answer: B
Rationale: Oxygenation involves the transfer of oxygen from alveoli to the blood,
whereas ventilation is the physical movement of air into and out of the lungs. Option A
reverses the definitions, option C is incorrect as they are distinct processes, and option
D is inaccurate since both can occur under various pressure conditions.
Question 6
A trauma patient presents with jugular vein distention, tracheal deviation, and absent
breath sounds on the right side. These findings are most consistent with:
A. Tension pneumothorax
B. Simple pneumothorax
C. Hemothorax
D. Pulmonary embolism
Correct Answer: A
Rationale: Tension pneumothorax presents with jugular venous distention, tracheal
deviation away from the affected side, and absent breath sounds due to mediastinal
shift and cardiovascular compromise. A simple pneumothorax lacks the hemodynamic
and tracheal deviation findings, hemothorax typically presents with dullness to
percussion, and pulmonary embolism does not cause tracheal deviation.
Question 7
In a healthy adult, which neural and chemical mechanism primarily drives the respiratory
rate?
A. Central chemoreceptors responding to changes in arterial pH
B. Peripheral chemoreceptors responding to decreased PaO2 levels
C. Central chemoreceptors in the medulla responding to increased PaCO2 or decreased
CSF pH
D. Stretch receptors in the alveoli responding to lung volume changes
Correct Answer: C
Detailed Rationales (2026/2027 Edition)
SECTION 1: Airway Anatomy, Physiology, and Respiratory Assessment
Question 1
Which anatomical structure is primarily responsible for preventing food and liquid from
entering the trachea during swallowing?
A. The uvula
B. The epiglottis
C. The arytenoid cartilage
D. The cricoid cartilage
Correct Answer: B
Rationale: The epiglottis folds down over the larynx during swallowing to direct food
into the esophagus and protect the airway. The uvula aids in speech and swallowing but
does not seal the trachea, while the arytenoid and cricoid cartilages provide structural
support to the larynx but do not function as airway protectors.
Question 2
During the primary assessment of a 68-year-old patient with respiratory distress, you
observe the patient sitting upright and leaning forward with their hands on their knees.
This positioning is most accurately described as:
A. Fowler's position
B. The tripod position
C. Supine positioning
D. Trendelenburg position
Correct Answer: B
Rationale: The tripod position, characterized by sitting upright with hands on knees,
allows the patient to use accessory muscles of respiration and indicates significant
respiratory distress. Fowler's position is a semi-reclined bed position, supine is lying flat,
and Trendelenburg is head-down positioning.
,Question 3
A patient presents with deep, rapid respirations and a fruity odor on their breath. Which
respiratory pattern is most consistent with this presentation?
A. Cheyne-Stokes respirations
B. Kussmaul respirations
C. Agonal respirations
D. Biot's respirations
Correct Answer: B
Rationale: Kussmaul respirations are deep, rapid breaths associated with metabolic
acidosis, such as diabetic ketoacidosis, often accompanied by a fruity acetone odor.
Cheyne-Stokes demonstrates a waxing and waning pattern, agonal respirations are
irregular and gasping, and Biot's respirations are irregular with periods of apnea.
Question 4
When auscultating lung sounds on a patient with an asthma exacerbation, which sound
is most characteristic of narrowed airways?
A. Crackles
B. Wheezes
C. Rhonchi
D. Stridor
Correct Answer: B
Rationale: Wheezes are high-pitched musical sounds caused by air moving through
narrowed bronchioles, which is the hallmark of asthma. Crackles indicate fluid or
alveolar opening, rhonchi suggest secretions in larger airways, and stridor is an upper
airway sound typically associated with laryngeal or tracheal obstruction.
Question 5
Which of the following best describes the primary physiological difference between
oxygenation and ventilation?
A. Oxygenation refers to CO2 elimination, while ventilation refers to O2 delivery
B. Oxygenation is the process of delivering oxygen to the alveoli and bloodstream, while
ventilation is the mechanical process of moving air in and out of the lungs
C. Oxygenation and ventilation are identical processes that occur simultaneously
, D. Oxygenation requires positive pressure, while ventilation only occurs with negative
pressure
Correct Answer: B
Rationale: Oxygenation involves the transfer of oxygen from alveoli to the blood,
whereas ventilation is the physical movement of air into and out of the lungs. Option A
reverses the definitions, option C is incorrect as they are distinct processes, and option
D is inaccurate since both can occur under various pressure conditions.
Question 6
A trauma patient presents with jugular vein distention, tracheal deviation, and absent
breath sounds on the right side. These findings are most consistent with:
A. Tension pneumothorax
B. Simple pneumothorax
C. Hemothorax
D. Pulmonary embolism
Correct Answer: A
Rationale: Tension pneumothorax presents with jugular venous distention, tracheal
deviation away from the affected side, and absent breath sounds due to mediastinal
shift and cardiovascular compromise. A simple pneumothorax lacks the hemodynamic
and tracheal deviation findings, hemothorax typically presents with dullness to
percussion, and pulmonary embolism does not cause tracheal deviation.
Question 7
In a healthy adult, which neural and chemical mechanism primarily drives the respiratory
rate?
A. Central chemoreceptors responding to changes in arterial pH
B. Peripheral chemoreceptors responding to decreased PaO2 levels
C. Central chemoreceptors in the medulla responding to increased PaCO2 or decreased
CSF pH
D. Stretch receptors in the alveoli responding to lung volume changes
Correct Answer: C
