©BRIGHTSTARS EXAM SOLUTIONS
11/16/2024 10:16 AM
APK2100c Exam 4 Questions With Correct
Answers
One of the functions of the respiratory system is to provide an extensive surface area for gas
exchange between air and circulating blood to occur. True/False? - answer✔True
The lower division of the respiratory system provides a protective function for the lower
respiratory system. True/False? - answer✔False, it is the other way around
The middle section of the pharynx is called the ____ - answer✔oropharynx
If there is cartilage in the airway it is called a bronchiole. True/False? - answer✔False
The carina is located in the alveoli air sacs and is relatively unimportant structure. True/False? -
answer✔False
Which system is not a structure in the upper respiratory system? - answer✔Bronchioles. (Nasal
cavity, Pharynx, Paranasal sinuses)
External nares are the opening to the ____? - answer✔Nose
The passage for air is: - answer✔Nose, nasal cavity, internal nares, oropharynx, laryngopharynx
The cricoid cartilage is located in the ____ - answer✔larynx
The trachealis muscle; - answer✔can control the diameter of the trachea by contracting or
relaxing
The bronchioles: - answer✔contain no cartilage, rely on the smooth muscles in the wall to keep
their airways open, and contain cells covered with cilia
Gas exchange occurs in the _____ - answer✔alveoli
The left lung contains ____ lobes, and the right lung contains ____ lobes - answer✔2, 3
The medial surface of the lung contains the ____ - answer✔Hilum
1|Page
, ©BRIGHTSTARS EXAM SOLUTIONS
11/16/2024 10:16 AM
There are two blood circuits entering the lung. One circuit supplies blood to the ______ , and
the other circuit supplies blood to the _____ - answer✔gas exchange system, conducting circuit
The visceral pleura is the part of the pleural membrane that faces the _____ - answer✔thoracic
wall
The pleural membrane is one layer of cells surrounding both lungs in one continuous sac.
True/False? - answer✔False
At the end of the bronchioles there are clusters of air sacs that look like clusters of grapes.
These air sacs are the ____ - answer✔alveoli
The alveoli and capillary are separated from each other by a thin membrane called the ____.
This membrane is as little as 0.1 μm thick. - answer✔respiratory sacs
Which statement is NOT true:
1) each lung is divided into lobes
2) the right lung has a superior, middle, and inferior lobe
3) the left lung has a superior and inferior or lower lobe
4) the lobes are separated by alveoli - answer✔4)
Each lung is covered by a double layered membrane known as the: - answer✔Pleura
The visceral pleura is the ____ layer of the pleural membrane. The parietal pleura is the ____
outer layer of the pleural membrane - answer✔inner: outer
One difference between the right and left lung is that - answer✔-the right lung has 3 lobes, the
left has 2
-the right lung has a horizontal fissure, the left only has an oblique fissure
-the left lung is longer than the right lung and contains the cardiac notch
The heart is surrounded by the ______ - answer✔pericardial sac
The heart sits in the anterior portion of the _____ - answer✔mediastium
The apex is the superior portion of the heart. T/F? - answer✔False, the apex is on the inferior
portion of the heart
2|Page
11/16/2024 10:16 AM
APK2100c Exam 4 Questions With Correct
Answers
One of the functions of the respiratory system is to provide an extensive surface area for gas
exchange between air and circulating blood to occur. True/False? - answer✔True
The lower division of the respiratory system provides a protective function for the lower
respiratory system. True/False? - answer✔False, it is the other way around
The middle section of the pharynx is called the ____ - answer✔oropharynx
If there is cartilage in the airway it is called a bronchiole. True/False? - answer✔False
The carina is located in the alveoli air sacs and is relatively unimportant structure. True/False? -
answer✔False
Which system is not a structure in the upper respiratory system? - answer✔Bronchioles. (Nasal
cavity, Pharynx, Paranasal sinuses)
External nares are the opening to the ____? - answer✔Nose
The passage for air is: - answer✔Nose, nasal cavity, internal nares, oropharynx, laryngopharynx
The cricoid cartilage is located in the ____ - answer✔larynx
The trachealis muscle; - answer✔can control the diameter of the trachea by contracting or
relaxing
The bronchioles: - answer✔contain no cartilage, rely on the smooth muscles in the wall to keep
their airways open, and contain cells covered with cilia
Gas exchange occurs in the _____ - answer✔alveoli
The left lung contains ____ lobes, and the right lung contains ____ lobes - answer✔2, 3
The medial surface of the lung contains the ____ - answer✔Hilum
1|Page
, ©BRIGHTSTARS EXAM SOLUTIONS
11/16/2024 10:16 AM
There are two blood circuits entering the lung. One circuit supplies blood to the ______ , and
the other circuit supplies blood to the _____ - answer✔gas exchange system, conducting circuit
The visceral pleura is the part of the pleural membrane that faces the _____ - answer✔thoracic
wall
The pleural membrane is one layer of cells surrounding both lungs in one continuous sac.
True/False? - answer✔False
At the end of the bronchioles there are clusters of air sacs that look like clusters of grapes.
These air sacs are the ____ - answer✔alveoli
The alveoli and capillary are separated from each other by a thin membrane called the ____.
This membrane is as little as 0.1 μm thick. - answer✔respiratory sacs
Which statement is NOT true:
1) each lung is divided into lobes
2) the right lung has a superior, middle, and inferior lobe
3) the left lung has a superior and inferior or lower lobe
4) the lobes are separated by alveoli - answer✔4)
Each lung is covered by a double layered membrane known as the: - answer✔Pleura
The visceral pleura is the ____ layer of the pleural membrane. The parietal pleura is the ____
outer layer of the pleural membrane - answer✔inner: outer
One difference between the right and left lung is that - answer✔-the right lung has 3 lobes, the
left has 2
-the right lung has a horizontal fissure, the left only has an oblique fissure
-the left lung is longer than the right lung and contains the cardiac notch
The heart is surrounded by the ______ - answer✔pericardial sac
The heart sits in the anterior portion of the _____ - answer✔mediastium
The apex is the superior portion of the heart. T/F? - answer✔False, the apex is on the inferior
portion of the heart
2|Page
