RS Exam Questions with All Correct & 100% Verified
Answers |Actual Complete Update |Already Graded A+
(Just Released)
The main sites of gas exchange between atmospheric air and the bloodstream are the
___________ ✔Correct Answer-alveoli
Which best describes inspiration? ✔Correct Answer-Movement of air from the atmosphere
into the respiratory tract.
What structure would air flow through next after passing through the nose? ✔Correct
Answer-Pharynx
The ___________ are the tubes through which air flows from the external environment to the
alveoli and back. ✔Correct Answer-airways
The conducting zone includes the_________
terminal bronchioles
bronchi
trachea
alveoli
respiratory bronchioles ✔Correct Answer-terminal bronchioles
bronchi
trachea
What structure are present in all parts of the pulmonary system categorized as the respiratory
zone? ✔Correct Answer-Alveoli
The epithelial surfaces of the airways through the respiratory bronchioles, contain _________
that constantly beat upward toward the pharynx to aid in the removal of inhaled particulates.
✔Correct Answer-cilia
Always and alveoli contain immune cells called ____________ that engulf and destroy inhaled
particles and bacteria. ✔Correct Answer-macrophages
Tiny, hollow air sacs within the lungs that are principally responsible for gas exchange are called
____________ ✔Correct Answer-alveoli
, Red blood cells have an average diameter of approximately ___________, and the thickness of
the barrier separating alveolar air from pulmonary capillary blood is approximately. ✔Correct
Answer-7 micrometers; 0.2 micrometers
The extreme thin fluid layer that is between membranes surrounding the lungs and lubricates
their surfaces is known as the _____________ fluid ✔Correct Answer-intrapleural
As inspired air enters the lungs, the first structures encountered that are part of the respiratory
zone are the _____________ ✔Correct Answer-respiratory bronchioles
Which is TRUE about alveolar and atmospheric pressures with regards to bulk flow of air in the
respiratory system? ✔Correct Answer-During an expiration alveolar pressure is greater than
atmospheric pressure.
Inspiration occurs when __________ ✔Correct Answer-alveolar pressure is less than
atmospheric pressure
Atmospheric is greater than alveolar pressure
According to Boyle's Law, when the volume of a closed space increases at a constant
temperature: ✔Correct Answer-the total gas pressure within that space decreases
At the end of an unforced expiration when the respiratory muscles are relaxed and there is no
airflow, __________ ✔Correct Answer-the intrapleural pressure is less than atmospheric
pressure
During a normal cycle of respiration, there is a pause prior to inspiring a breath, and a pause in
between inspiring and expiring the breath. Which of these conditions is the SAME during those
two pauses?
The alveolar pressure
Air flow
Intrapleural pressure
Atmospheric pressure
Transpulmonary pressure
Volume of the lung ✔Correct Answer-The alveolar pressure
Air flow
Atmospheric pressure
Which of these muscles contribute to inspiration when they contract?
Sternocleidomastoid
Diaphragm
External intercostals
Scalenes
Answers |Actual Complete Update |Already Graded A+
(Just Released)
The main sites of gas exchange between atmospheric air and the bloodstream are the
___________ ✔Correct Answer-alveoli
Which best describes inspiration? ✔Correct Answer-Movement of air from the atmosphere
into the respiratory tract.
What structure would air flow through next after passing through the nose? ✔Correct
Answer-Pharynx
The ___________ are the tubes through which air flows from the external environment to the
alveoli and back. ✔Correct Answer-airways
The conducting zone includes the_________
terminal bronchioles
bronchi
trachea
alveoli
respiratory bronchioles ✔Correct Answer-terminal bronchioles
bronchi
trachea
What structure are present in all parts of the pulmonary system categorized as the respiratory
zone? ✔Correct Answer-Alveoli
The epithelial surfaces of the airways through the respiratory bronchioles, contain _________
that constantly beat upward toward the pharynx to aid in the removal of inhaled particulates.
✔Correct Answer-cilia
Always and alveoli contain immune cells called ____________ that engulf and destroy inhaled
particles and bacteria. ✔Correct Answer-macrophages
Tiny, hollow air sacs within the lungs that are principally responsible for gas exchange are called
____________ ✔Correct Answer-alveoli
, Red blood cells have an average diameter of approximately ___________, and the thickness of
the barrier separating alveolar air from pulmonary capillary blood is approximately. ✔Correct
Answer-7 micrometers; 0.2 micrometers
The extreme thin fluid layer that is between membranes surrounding the lungs and lubricates
their surfaces is known as the _____________ fluid ✔Correct Answer-intrapleural
As inspired air enters the lungs, the first structures encountered that are part of the respiratory
zone are the _____________ ✔Correct Answer-respiratory bronchioles
Which is TRUE about alveolar and atmospheric pressures with regards to bulk flow of air in the
respiratory system? ✔Correct Answer-During an expiration alveolar pressure is greater than
atmospheric pressure.
Inspiration occurs when __________ ✔Correct Answer-alveolar pressure is less than
atmospheric pressure
Atmospheric is greater than alveolar pressure
According to Boyle's Law, when the volume of a closed space increases at a constant
temperature: ✔Correct Answer-the total gas pressure within that space decreases
At the end of an unforced expiration when the respiratory muscles are relaxed and there is no
airflow, __________ ✔Correct Answer-the intrapleural pressure is less than atmospheric
pressure
During a normal cycle of respiration, there is a pause prior to inspiring a breath, and a pause in
between inspiring and expiring the breath. Which of these conditions is the SAME during those
two pauses?
The alveolar pressure
Air flow
Intrapleural pressure
Atmospheric pressure
Transpulmonary pressure
Volume of the lung ✔Correct Answer-The alveolar pressure
Air flow
Atmospheric pressure
Which of these muscles contribute to inspiration when they contract?
Sternocleidomastoid
Diaphragm
External intercostals
Scalenes
