APK2100c Exam 4 With
Complete Solution
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
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 μ m 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
The auricles are extensions of the ____ - ANSWER atria
The ____ separates the left atrium from the right atrium - ANSWER interatrial
septum
Another name for the bicuspid valve is the ____ - ANSWER mitral valve
All of the following take blood to the right atrium EXCEPT... - ANSWER
marginal branch of the aorta (inferior/superior vena cava, and coronary sinus
do take blood)
The great cardiac vein and the middle cardiac vein lead to which of the
following vessels? - ANSWER coronary sinus
Complete Solution
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
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 μ m 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
The auricles are extensions of the ____ - ANSWER atria
The ____ separates the left atrium from the right atrium - ANSWER interatrial
septum
Another name for the bicuspid valve is the ____ - ANSWER mitral valve
All of the following take blood to the right atrium EXCEPT... - ANSWER
marginal branch of the aorta (inferior/superior vena cava, and coronary sinus
do take blood)
The great cardiac vein and the middle cardiac vein lead to which of the
following vessels? - ANSWER coronary sinus
