WGU D313 ANATOMY AND PHYSIOLOGY 2
RESPIRATORY SYSTEM EXAM 2025/2026 QUESTIONS
AND CORRECT ANSWERS GRADED A+
What is a function of the paranasal sinuses?
add resonance to speech
Where are the pharyngeal tonsils (adenoid) located?
nasopharynx
Which statement is true about the oropharynx?
it carries both food and air
Where are the palatine and lingual tonsils located?
oropharynx
,What is an elastic, flexible cartilage in the larynx?
epiglottic cartilage
Which structure is not a part of the throat?
larynx
Which of the following structures maintains equal air pressure in the lung?
alveolar pores
Which of the following cell types removes debris from the alveolar wall?
alveolar macrophages
,What leads to carbaminohemoglobin formation?
CO2 + Hb
What is the role off the diaphragm during normal breathing?
during inhalation it contracts and flattens
According to Boyle's law, what is the relation between pressure and volume?
when volume increases, pressure decreases at a constant temperature
What is the function of the aortic body?
it monitors the partial pressure of carbon dioxide, oxygen, and pH in the blood
What is the function of arteries?
they carry blood away from the heart
, Which of the following describes the diffusion of O2 into the bloodstream and the
diffusion of CO2 out of the bloodstream?
gas exchange
Cells needs a constant supply of oxygen to generate energy to drive cellular
activities, creating CO2 as a waste product. (T/F)
true
Which of the following terms describes the production of speech and melody
created by the vibration of the vocal folds?
vocalization
What is the function of the conchae in the nasal cavity?
increase surface area
RESPIRATORY SYSTEM EXAM 2025/2026 QUESTIONS
AND CORRECT ANSWERS GRADED A+
What is a function of the paranasal sinuses?
add resonance to speech
Where are the pharyngeal tonsils (adenoid) located?
nasopharynx
Which statement is true about the oropharynx?
it carries both food and air
Where are the palatine and lingual tonsils located?
oropharynx
,What is an elastic, flexible cartilage in the larynx?
epiglottic cartilage
Which structure is not a part of the throat?
larynx
Which of the following structures maintains equal air pressure in the lung?
alveolar pores
Which of the following cell types removes debris from the alveolar wall?
alveolar macrophages
,What leads to carbaminohemoglobin formation?
CO2 + Hb
What is the role off the diaphragm during normal breathing?
during inhalation it contracts and flattens
According to Boyle's law, what is the relation between pressure and volume?
when volume increases, pressure decreases at a constant temperature
What is the function of the aortic body?
it monitors the partial pressure of carbon dioxide, oxygen, and pH in the blood
What is the function of arteries?
they carry blood away from the heart
, Which of the following describes the diffusion of O2 into the bloodstream and the
diffusion of CO2 out of the bloodstream?
gas exchange
Cells needs a constant supply of oxygen to generate energy to drive cellular
activities, creating CO2 as a waste product. (T/F)
true
Which of the following terms describes the production of speech and melody
created by the vibration of the vocal folds?
vocalization
What is the function of the conchae in the nasal cavity?
increase surface area
