Getting Oxygen
1) Name the components of the respiratory system in the order incoming air would encounter them during breathing.
:Trachea,pharynx,larynx,alveoli,bronchi.
:Bronchi,larynx,alveoli,trachea,pharynx.
:Larynx,trachea,bronchi,pharynx,alveoli.
:Pharynx,larynx,trachea,bronchi,alveoli.***
2) Which of the following best summarizes the function of the respiratory system?
:To transport oxygen to cells and wastes away from cells.
:To protect the organs in the chest cavity.
:To move oxygen from the air into the body and carbon dioxide from the body into the air.***
:To provide a barrier between the body and the environment.
3) Which of the following is not true about the structure of an alveolus?
:It has thick walls to trap gases that enter during breathing.***
:It has many capillaries running through it's structure.
:It has high surface area to allow lots of gas exchange.
:It has a high concentration of oxygen and a low concentration of carbon dioxide.
4) Pneumonia is a disease that causes fluid to build up in the alveoli of the lungs. Which of the following would you expect to be impaired in patients with pneumonia?
:Movement of carbon dioxide out of body cells.
:Movement of carbon dioxide out of the blood.***
:Movement of nutrients into body cells.
:Movement of nutrients into the blood.
5) Which of the following would be true during the inhalation phase of breathing?
:The lungs are inflated, oxygen concentration is high, and carbon dioxide concentration is low in the alveoli.***
:The lungs are deflated, oxygen concentration is high, and carbon dioxide concentration is low in the alveoli.
:The lungs are inflated, oxygen concentration is low, and carbon dioxide concentration is high in the alveoli.
:The lungs are deflated, oxygen concentration is low, and carbon dioxide concentration is high in the alveoli.
1 d
2 c
3 a
4 b
5 a
your welcome :)
1.D
2.C
3.A
4.B
5.A
for ppl who get Bs and Ds mixed up :)