Rio Bio 202 RESPIRATORY SYSTEM
EXAM WITH ACTUAL CORRECT QUESTIONS AND
VERIFIED DETAILED ANSWERS FREQUENTLY
TESTED QUESTIONS AND SOLUTIONS |ALREADY
GRADED A+|NEWEST|GUARANTEED PASS |LATEST
UPDATE
Which of the following lists the structures in the correct order in which air would travel
from the outside to the lungs? - Answer- pharynx, larynx, trachea, bronchi, alveoli
Which of the following describes the mucosa of the nasal cavity? - Answer- it serves to
warm, moisten and filter inhaled air
What structure is responsible for routing food and air into the proper channels? -
Answer- larynx
Which of the following describes the pharynx? - Answer- the auditory tube drains into
the nasopharynx
What tissue type lines the trachea? - Answer- pseudostratified ciliated columnar
epithelium
What is formed when oxygen binds with hemoglobin? - Answer- oxyhemoglobin
Which of the following represents the mechanism of oxygen and carbon dioxide
exchange in the lungs? - Answer- diffusion
What is the functional advantage provided by the C shaped cartilage rings of the
trachea? - Answer- the posterior region of the ring is flexible allowing the esophagus to
expand so food can travel down the esophagus
What is the exchange of gases between the blood and tissue cells called? - Answer-
internal respiration
The respiratory membrane is made up of what structures? - Answer- alveolar and
capillary walls and their fused membrane
Which of the following describes how breathing rate is controlled? - Answer- Increase in
hydrogen ions stimulate chemoreceptors
Which of the following describes carbon dioxide gas in the blood? - Answer- when it
accumulates in the blood, the pH decreases
EXAM WITH ACTUAL CORRECT QUESTIONS AND
VERIFIED DETAILED ANSWERS FREQUENTLY
TESTED QUESTIONS AND SOLUTIONS |ALREADY
GRADED A+|NEWEST|GUARANTEED PASS |LATEST
UPDATE
Which of the following lists the structures in the correct order in which air would travel
from the outside to the lungs? - Answer- pharynx, larynx, trachea, bronchi, alveoli
Which of the following describes the mucosa of the nasal cavity? - Answer- it serves to
warm, moisten and filter inhaled air
What structure is responsible for routing food and air into the proper channels? -
Answer- larynx
Which of the following describes the pharynx? - Answer- the auditory tube drains into
the nasopharynx
What tissue type lines the trachea? - Answer- pseudostratified ciliated columnar
epithelium
What is formed when oxygen binds with hemoglobin? - Answer- oxyhemoglobin
Which of the following represents the mechanism of oxygen and carbon dioxide
exchange in the lungs? - Answer- diffusion
What is the functional advantage provided by the C shaped cartilage rings of the
trachea? - Answer- the posterior region of the ring is flexible allowing the esophagus to
expand so food can travel down the esophagus
What is the exchange of gases between the blood and tissue cells called? - Answer-
internal respiration
The respiratory membrane is made up of what structures? - Answer- alveolar and
capillary walls and their fused membrane
Which of the following describes how breathing rate is controlled? - Answer- Increase in
hydrogen ions stimulate chemoreceptors
Which of the following describes carbon dioxide gas in the blood? - Answer- when it
accumulates in the blood, the pH decreases
