correct answers
1. The passage of oxygen and carbon dioxide through the walls of the alveolae occurs via:
A) diffusion.
B) osmosis.
C) breathing.
D) aspiration. - correct answer ✔✔A. diffusion
2. Which of the following lists best represents the correct sequence for the passage of air into the lungs
once it passes the pharynx?
A) Bronchi, larynx, trachea, cricoid
B) Epiglottis, esophagus, trachea, alveoli
C) Trachea, uvula, bronchi, alveoli
D) Larynx, trachea, bronchi, alveoli - correct answer ✔✔D) Larynx, trachea, bronchi, alveoli
3. When the diaphragm and intercostal muscles relax, which of the following events occurs?
A) Inhalation
B) Release
C) Inspiration
D) Exhalation - correct answer ✔✔D. exhalation
4. The most important muscle of respiration is the:
A) pectoralis major.
, B) intercostal muscle.
C) diaphragm.
D) sternocleidomastoid. - correct answer ✔✔C. diaphragm
5. Which of the following actions causes an individual to inhale?
A) The intercostal muscles relax.
B) The chest cavity decreases in size.
C) The diaphragm contracts and flattens.
D) Pressure within the chest increases. - correct answer ✔✔C. The diaphragm contracts and flattens.
6. You are documenting your assessment of the patient who just left in an ambulance. The patient told
you that he felt short of breath. You would document this as:
A) respiratory failure.
B) arrhythmia.
C) dyspnea.
D) anoxia. - correct answer ✔✔C. dyspnea.
7. The normal range for respiratory rate in children is:
A) 5-10 breaths per minute.
B) 15-30 breaths per minute.
C) 25-40 breaths per minute.
D) 40-45 breaths per minute. - correct answer ✔✔B) 15-30 breaths per minute
8. You receive a call that there is an infant in the lodge who seems to be having difficulty breathing. As
you are approaching the scene with a new candidate patroller, you ask him what the normal respiratory
rate is for an infant. The candidate would be correct if he told you the rate should be: